Are TPI models seizing? 7 preventative strategies for KTM TPI problems ︱Cross Training Enduro
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- Опубликовано: 29 сен 2024
- www.crosstraini... tractionerag.com Are the TPI two strokes from KTM and Husqvarna seizing due to problems with the TPI system? If so is there a TPI fix? We spoke to a few industry insiders to see if it's true. We do know KTM released this technical bulletin in November 2020. And they recommended getting dealers to set up more oil in the mix for certain rider profiles. Will it fix KTM TPI problems? First a quick bit of history and Husqvarna TPI issues. We covered the pros and cons of TPI in a recent video. The main benefit is less emissions and better fuel economy, and TPI was created to meet tighter emission regulations in Europe. Unfortunately it also means a lot more complexity and close to 3kg extra weight and some KTM TPI issues. KTM and Husqvarna has basically been forced into lowering emissions on their enduro models by using TPI, they still use the trusty carburetor on their motocross two strokes. Does this help to avoid TPI failure? More recently with KTM TPI problems, there have been TPI crankcase pressure sensors failing that cause stuttering at low revs. And more importantly, there have been cases of TPI bikes seizing, sometimes at very low hours. The big questions? How often does it happen? Is it a design fault, or caused by the rider? And are the getting fixed under warranty? What will reduce the chances of seizing? Are there TPI solutions? Early KTM TPI issues included splitting oil tanks, the occasional TPI oil pump failure, and issues with starting, idling, and running too lean. There were some TPI seized too. How often do Husqvarna TPI problems happen? and is there a TPI fix? First, we just googled around for recent cases of TPI seizing. Some of these are quite low hours. The fact remains that plenty of TPI owners have no problems at all. This guy even ran an internet poll a few years back. It's a very small sample, but indicates most owners had no problems, 5% of owners had some kind of TPI failure. However, there are rumours that the 2020 and 2021 models have had more TPI seized than normal. In some cases the dealers claimed it must have been the rider to blame, in others they immediately fixed it under warranty. Sometimes they get the owner to pay some of the costs for TPI failure. Usually the riders say they haven't drowned the bikes or caused the problem in any way, but of course we can't be sure. And when you consider how many bikes have been sold this only presents a small percentage of failures. Just pause if you want to read about KTM TPI issues. Industry guys in Australia said there are enough cases of KTM TPI failure to indicate there's a small but significant problem. They think KTM's technical bulletin is the response. But what about TPI oil pump failures? Some dealers are finding it difficult to source barrels to fix nastier seizes. What can be done to reduce or eliminate the risk? We have seven TPI fixes. TPI solution one. Talk with your dealer about setting your bike to run a bit richer. Some dealers are doing this for free. Others are charging. TPI fix two. In some cases there have been oil pump failures. The manual states this should be replaced at 80 hours. Some have failed before then. Others go much longer. For peace of mind, it may be best to just replace this at the specified 80 hours. TPI solution three. We had discussions about the claimed rate of failure, but I think just looking at the Australian market would not give a reliable indication for KTM TPI failures. It reminds me very much of Beta's main bearing failures from 2018 to 2020. It was a low rate of failure. But of course it's expensive to fix so owners are understandably concerned. If any KTM dealers or representative would like to pitch in, we are all ears... TPI crankcase pressure sensors included. Okay. Lets assume there's a small rate of failure. Make sure there is no dirt around your filler cap. In a very small number of cases, dirt has dropped into the oil tank and clogged up the system. Husqvarna dealer support has been good in the USA, as usual. In Australia, some owners claim dealers are trying to wriggle out of KTM TPI failure warranty claims. When there are issues, go straight the distributor. And remember you are also covered by consumer law if you are prepared to fight it that hard. But of course if you are to blame, just accept responsibility and pay for repairs if you drowned the bike or forgot to top up the oil. Keen to hear your thoughts and opinions. Especially any KTM representatives. TPI fix four. Get to know your system and follow the guidelines. A typical example is the TPI warm up routine. Always be very careful with air filters. They will let dust in if they aren't oiled well, or not fitted properly. TPI fix six. Sucking an air bubble into the system might cause issues. Some talk about the correct TPI warm up issue as well.
#crosstrainingenduro #tpiproblems #tpi failure #ktmtpi 
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IMPORTANT! We have updated info from the specialists at Two Stroke Performance in this vid ruclips.net/video/PIGpTiVBV-k/видео.html Seizing and premature wear from lack of oil are mainly 2020 and 2021 models as the mapping uses much less oil. The fix? Use KTM's updated 'extreme' map which goes back to something similar on earlier models... or ideally get a custom remap from a specialist.
Oil pump failures in the 2018 and 2019 were often caused by grit getting into the oil tank. The 2020+ models have a screen fitted which should fix this. It's a good idea to regularly check the functioning of the oil pump just to ensure you don't have problems. For full details see this vid: ruclips.net/video/PIGpTiVBV-k/видео.html
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TIPS FROM VIEWERS: Some riders claim they have had 'cold seizes' and say it's very important to follow correct warm up procedure.
Never let the oil get too low, you might suck in air on steep climbs, descents, or with the bike on its side.
Riders have reported seizes in very cold weather, use the cold start injector, and updated maps! Some use snowmobile oil just in case.
Dealers don't like warranty claims as KTM won't reimburse them fully. Do you like your dealer? Offer to strip the bike down and do some of the reassembly.
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FURTHER COMMENTS: The ride footage features a fleet of 2019 TPI models used for Romanian enduro tours. They immediately remapped the bikes to use more oil and run better across the rev range. Their only seizure to date has been from dirt that fell into the oil tank when topping up the oil.
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THE ULTIMATE FIX? According to Gary K's comment, here is the best solution lol
"Unaccustomed as I am to posting comments on a gumby site I feel it only right that I impart (again) my feedback into this issue of TPI's seizing. As an engineer, part time aromatherapist and freelance astronaut (semi retired) I'm known in the local area as the Mr. Fixer and so a troubled soul brought me his tpi that had seized solid. Now, you may mock my interest in aromatherapy but I put a few trusty essential oils into a bowl with 2 drops of my secret ingredient, added 5 parts water and placed it under the sump for the night. Sure as eggs are eggs, I could now crank the engine over but it wouldn't fire up. So in with a few drops of the magic elixir into the tank, bounced the forks (naturally the shite x-plorer forks bottomed out) and hit the magic button. Fired up first time. If your repeat this secret trick you'll get another 400 hours from the piston - easy. Just make sure you use synthetic rampant bull jelly cream , its half the price of the good stuff but for a shitty KTM, it will do. If your running a 4 stroke, use rampant bull jelly cream with Aloe Vera. No need to thank me, its all part of the service."
It boggles my mind that we pay so much and have to do mods right out the door
With a bit of luck dealers might agree to remap the bike as part of their pre-delivery.
@@videosbruno only problematic models are early 2018 models bought in late 2017. New map was needed
Not sure about that, there's a small but significant number of 2020 and 2021 models seizing. And that last KTM technical bulletin appears to be their response...
This is an interesting vid, these guys are TPI specialists and they said the new mapping in 2020 and 2021 models actually uses 15 to 40% less oil depending on throttle and RPM. This could a long way to explaining why 2020 and 2021 models are seizing more often. facebook.com/283308918403083/videos/87458567663607
Premix for the win . If it’s running it’s lubed....
Wont help in TPI - unless you move the injectors.
Jeff Slavens has done a vid about TPI myths and explains why he thinks adding premix will have little to no effect.
@@crosstrainingenduro hi there, I wasn't meaning for the Tpi bikes. "Premix for the win" was meant as the carb wins. As in I'll keep my Lectron carb'd 2017 KTM 300. Still has a kick start too. Thank the Lord 🙏
I was thinking of adding amsoil 1:100 universal ratio i know alot of guys who used to run it at 1:100 and never had issue i was thinking of running it as a safe guard
I hate videos like this. From a scientific perspective there are too many variables in the real world to attribute these issues to TPI and the reported failure rates are what they’d call statistically insignificant. Also I don’t think you understand exactly what the issue is that bulletin is addressing. When you open up that bike and make it breath more you’re leaning out the map. You need that aftermarket map to adjust to those mods that’s what that map is for. You don’t think KTM bench tested these engines and control for real world conditions? At the end of the day I have 81.5 hours on my 2020. Other than a spark arrestor and no thermostat the engine, intake and exhaust is stock and there have been ZERO issues here. I regularly change my air filter. Keep my oil fill tube clean and run ethanol free 91 octane.
I'm going to guess that the number one mode of failure on TPI bikes is people not using the recommended motorex 2 stroke oil. Different oils have different mix ratio and different viscosities. The ecu would not know what oil has been put in the tank and potentially meter out the wrong ratio for the non recomended oil creating a lean situation.
I would love to see the statistics around the oil brand/failure rates.
An interesting point, Glenn. I suspect if that was the issue, or part of it, then it would have mentioned in that last KTM Technical Bulletin... or an earlier one.
I think emission compliant injected 2 strokes are a dead end. They only exist to comply with laws and regulations and the idea of leaning out a 2 stroke to the bare minimum for emission reasons is the complete opposite of what this style of motor needs to be reliable. I’ll stick with my low tech YZ250X and then make the switch to electric once that type of bike becomes more available and mainstream. I’d also go with a hydrogen fuel cell bike if those ever come out and hydrogen becomes widely available.
I agree. I know a lot of guys hate the idea of an electric bike but I can't wait for when there are enough breakthroughs to be lighter than a two stroke and similar torque... noise is a killer for our sport and the e-bikes will only be a good thing in that respect.
@@crosstrainingenduro until I got an electric Onewheel I’d probably have had a negative attitude towards electric dirt bikes as well. But, I’ve put almost a 1000 miles on my first Onewheel and it’s needed zero maintenance. I’d love to not have to clean air filters, do oil changes or smell exhaust on a bike. I’d be nice to not have to wear earplugs every time on ride and I agree about the lack of noise helping us preserve riding areas. I’m excited about the future of our off-road toys. I don’t think we are too far away before seeing it hit mainstream.
I can't wait!
Won’t see me selling my 17 TE300 anytime soon
She's a keeper...
Replacing the oil pump at 80 hours? Good lord my Kawasaki's 2-stroke oil injection pump is from 1974 and it still worked great until I stripped some threads out of it last weekend.
On my MTX125R from 1985. Abused for 75000 km and never ever had any probs with almost anything. Never even thought about the pump. Electrics as well. Never seized. Hope Honda will launch a 2 stroke again. Probably not. :|
With the amount of regulations nowadays companies are pushing ice technology to the limit in order to increase performance while decreasing emissions at the same time. It’s making everything less reliable than they used to be 10-15 years ago.
Yes pal stay away from these until someone else has ironed out and paid for all the faults and problems....
@@nickg2431 My guess honestly is that the oil pump replacement thing is more a case of legal CYA than actual need. They probably had them set stupid-lean for Euro emissions, plus the classic inevitable oil injection bugaboos like loose fittings and people forgetting to top up the oil tank. Once an "issue" is identified, companies tend to go full overkill. On my truck, some people had issues with towing stability due to the factory 2" lower suspension, so they issued a recall lowering the tow rating down to just 30% of what they originally said. Not because 2000lbs is the correct limit, but because legal wanted to make sure that even the most colossal idiot couldn't mess it up. I bet most of these KTM oil pumps would still be perfect at 1000 hours
Yeah, I wonder what's going on there too. I campaigned Suzuki TS250s from '71 through '79 and oil pumps were dead reliable. I was also a mechanic and service manager at a New York Kawasaki/Suzuki dealership and we never had oil pump issues of any kind. IIRC, they were made by Mikuni. I earned a silver medal at the '71 Berkshire trials in Massachusetts on a new TS250. just one point out of gold - doggone underslung brake pedal damage.
Keihin PWK Is so good and easy
I have a 2020 TPI coming up on 2 yrs old, have at least a dozen friends with TPI bikes ktm/husky/gasgas. No problems, in fact, most reliable bike I've owned. I ride 120 days per year, I'm on the third top end.
It's definitely a low rate overall. But it's interesting to see clusters occurring. E.g. Jordan Schreiner below reports all four TPI models in their riding area failed. And I know of one KTM dealer who says at least 10% of TPI bikes sold are coming back under warranty. But others have seen no issues.
I’ve had a lot of different motorcycles and will take FI over a carb any day, two stroke or four. Sure, it’s complicated, but so are carbs, and the way the latter works you are guaranteed to have to mess with it at some point if you want a proper running bike.
If one is a carb expert, that’s great, but in my experience many people arguing for the serviceability of a carburetor on the trail have no idea how to actually fix or tune one, and are just repeating old timer internet “wisdom”.
I remember when KTM used Moto plaits and I was pissed because I was stranded in the middle of nowhere I now know that with five sensors on a motorcycle it's going to be almost impossible to keep it running and stranding you somewhere again. Even the fact from going to water cooled from air-cooled bikes caused a lot of problems with overheating in the woods and still does
The very simple oil injection system on my Beta is about as complex as I want to go, Mark. And even then I'm tempted remove it and go back to premix.
@@marktarascio3321 I totally get and agree with what you’re saying Mark in terms of simplicity and “get you home“ measures. I have to say though that my husky 450 fuel injection which isn’t even a new bike at 2008 is head and shoulders above the old stuff in terms of rideability performance and fuel delivery. Very little experience with the two-stroke injections I will trust others words on that
I've got carb'd and fuel injected bikes. I've never had either fail on me. I haven't found a fuelie that has as smooth a throttle as a carb yet, so I still prefer carbs for tight hard woods riding. Otherwise, yeah, "old timer wisdom". Kinda like how cable clutches are more reliable. Sure, let's go back to cable brakes while we're at it 😁
This explains the amount of new Yamahas im seeing on the trails. I think part of it anyways.
What yamahas? This if about 2 stroke enduro bikes, yamaha doesnt even have one
It's about FI in T2. Yamaha has the YZ used by many around the world for cross country and enduro. Also Betas and Sherco making a move with their carb enduro bikes. Better bikes I made add 👍
Yz250x 2 stoke Yamaha enduro bike
Where is that, TC? I'm interested because we used to see the blue bikes everywhere 20 years ago but haven't seen one in our riding areas in recent years. The two stroke would have been popular if you could register it and it had electric start....
@@BrianK-pd4bu not available in europe. And comparing yz250x with 5 gears, cable clutch, no counterbalancer, no estart to modern ktm doesnt make sense. You probably never tried ktm tpi, it is really good
Noice to see the Romanian landscape and trails. You're always welcome here 😁
Thanks! 😃
beta 2 strokes and ktm tpi are using the same mikuni oil pump. Never heard that oil pump should be changed at 80 hours on beta
Beta pumps have failed here. Thankfully mine 2016 300rr is still 100%
Yeah it's bs, you don't need to replace the pump if you use proper oil and you're careful to not drop a dirt inside.
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2:10
5% is a massive failure rate in a new mass produced product!
We don't know if it's 5% but we figure it is a low but significant rate. One dealer reported 20% of his bikes are coming back seized, but others say only one or two. Some rider groups say none of their bikes have issues... one guy told me 4 out of 10 TPI bikes in their group seized. It's hard to know what the real failure rate is.
@@crosstrainingenduro Remember that KTM
only gives a 30 day warranty.. That itself shows lack of manufacture confidence in their own product. And the motocross version is still carbed......
It can vary from country to country. In north America it's 30 days for any bike designed for competition use. Road bikes and bigger adv bikes two years. Some mid sized road and adv bikes are one year... I agree 30 days in pathetic if the bike isn't being ridden competitively.
@@crosstrainingenduro in our group of a dozen riders, 2 of them got rid of their TPI KTMs because of problems and purchased a carbed Beta 300 and Sherco 300. All of us others still ride carbed 2 strokes.
TPI was not brought into the market to make riders happy... it was brought into the market to satisfy asinine European environmental regulations.
Yes it is....
Or just buy a carb'd bike and run premix.
Geez, i thought 2 strokes were meant to be simple...
Call me old fashioned... but my God i hate ECU's, computers and electronics....
Same here, Michael. Good old fashioned DR650 for my adventure riding. A carb two stroke for my dirt riding. If and when I buy a new car it will be the one with the least electronics and gadgets....
I just watch these videos to listen to his accent and watch his riding clips haha.
Strewth mate, you're just copping a gander ay? 😂
I've been a happy owner of a husqvarna te 300 i for six months. I changed the top head at 230h with signs of wear on the 71.86mm intake part. The oil pump is still original with 250 hours. A week ago I mounted the olhins cartridges in the wp are wonderful ... I think I will have a motorcycle for many years
Great to hear it's been trouble-free, David!
Hello i live in spain and have a enduro renting company and bought 7 ktm 300tpi 2020, 4 of them dont have good Power. And the other 3 seizing within 500km. Dealers answer was no garanty anymore after one month. I had to buy 3 new cilinderkits. All bikes where on the dyno when they where new because i feel the difference in Power between them. And i was right, there was 5hp difference between the bikes. But ktm dealer can do nothing they said.
This 30 day warranty with KTM is very disappointing, Robin. If the bikes aren't raced, they should have a six month warranty like other brands. Many owners are getting the ECU mapping changed back to the original mapping of the 2018 and 2019 models which uses more oil.
Oke i am going to ask the dealer if he can change to 2019 Software. Thank you
Seized in the cylinder. Piss on the EPA, mix some oil in the gas.
I will stick with the YZ250 2-stroke, and modify that as I know how, and I don't dig the enviro-dictatorship that causes dysfunction and high prices.
They are a dictatorship.
If you really want to go the extra mile, remove the air filter and do the oil pump purge with the dongle and look down the airbox into the throttle body. You will be able to see and hear the oil pump work before going out for a ride.
Handy tip, Chris!
I dunked my 2019 te300i 3 times and ended up having to rebuild at 120hr more from my own stupidity. when the oil pump went next day after the 3rd dunk it stalled and wouldn't start so I tried bump starting it down a mountain turned out the oil pump quit and when I replaced it fired right up but the damage was done I now have 2 oil pumps extra, a new top and experience.
Another TPI problem, in Central, Idaho USA anyhow ---> I can't fill my chainsaw off the tank! My 2018 KTM 300 xcw has been incredibly reliable. It is in the shop right now though. Haha
Wouldn’t a chainsaw want more oil anyway. I use to use my bike fuel for a leaf blower until I seized it. I reckon 60:1 is a bit lean for a machine that’s held at full revs for extended periods of time.
@@ian9toes TPI has no mix in the fuel, so if you ride with a chainsaw with a TPI you need to bring a fuel bottle, and a bar oil bottle. Non-TPI you can fill right off the tank before it goes in the carb. I run 80 to 1 with amsoil in my ktm 300, and in the chainsaw.
For my 2022 te300i I mix my gas at 100:1
My brother with 100 hours on his 2020 no problems mixing 100:1
Husqvarna tpi 2022 consumes a lot of gasoline ,,,can someone help me ?
Move the injectors and use premix…eliminate the unneeded crap from your bike
Hi Berry I have now had 7 x TPI bikes and not 1 seizure. I have ridden over 1000 hours . I have a 22 model due here in a few weeks. I have needed to adjust the idle screw (out 2 turns) and the 2020 needed a Iridium plug fitted. All have needed the PV out 1 turn to prevent midrange stutter. Other than that never had a problem running up over 175 hours on each one
Sounds about right. Whatever the failure rate is it's definitely low... so say hypothetically it's 5% you would need to own 20 bikes before it's statistically likely you'll have one seize. Did you bother with replacing oil pumps at 80 hours? Quite a few guys don't even know about this and have run up well over 100 hours without issues. But of course a small number have failed early.
@@crosstrainingenduro No never replaced a oil pump. Unless they got clogged there would be no reson to replace. #8 arriving next week so 12 more to go until a seizure.....more likely my bank account seizing though
Man, I wish I could ride 1000 hours in this many years. I'm at 0.0hrs so far in 2021 just due to work.
Always keep in mind there isnt an emissions control system that exists for the benefit of the machine or process. They're not all perfect by any means. Growing pains around new emissions standards are common place for literally every machine in existence. As far as problems around this in the ktm world they are rare as could be especially compared to other shortcoming that have happened to other brands/companies experiencing the same pains. (Not always motorbikes - typically cars)
A common criticism of KTM is letting riders be guinea pigs for innovations. I looked at this in a recent vid and it's hard to know how true this is. You look at almost any aspect of technology and you see the similar growing pains with new models... ruclips.net/video/kxCHcoHEEBA/видео.html
Getting too expensive and complex while getting less dependable. I will stay with carbed 2 strokes. Not going to deal with all the Euro emission BS.
My friend's KTM seized the first week he owed it. So I decided to buy a carbed Gasgas and changed it to a lectionary, so no issues here.
Was it fixed under warranty, Bill? I've had a quick chat with a mechanic who tunes TPI systems, he reckons they run incredibly lean... between 100:1 to 150:1. If this is true it's no wonder some bikes are seizing.
It's okay. They'll all have to be electric soon anyways.
Fuck ktm tpi engines.
Worked on so many carb feed bikes, and have run a TPI for a year. Throttle body mod has been completed, and is crisp, smooth, and consistent. Curious as to the Lectron carb set up though.
I have 70 hard race hours on mine and it runs like the day I bought it
You have an anomoly.
50 hours on my XC300 and loving the TPI. I ride a lot of tight single track and have blazed a lot of new trails with no issues. I’ve owned a lot of bikes in my life and this by far is the cleanest running bike of them all and never overheats. I think most of the major brands all make great bikes, some just do certain things better than others. Never been brand loyal, just buy what I think is best any given year.
@@carlatamanczyk3891 Not so, I ride with an entire crowd of TPI bikes and no issues whatsoever ever. Don't drink the cool aide
Yes I have to stress again the problems only occur in a small number of cases. Plenty of groups have zero issues. Occasionally you find comments (lower in this list) where four out of 10 guys had major problems with their TPI bikes.
I reckon these issues are Sherco's greatest advertising campaign. After years of KTM.Husky ownership my next will be a carby 300. I guess my concern is that if there was an oil pump failure then that's it for the motor basically. Almost every other car/bike on Earth has an oil pump that will last for the age of the vehicle so I do not understand how KTM cannot do the same.
I don't know how many oil pumps fail, Glenn. But like the seizures themselves I think it's a small but significant rate. Mind you, Sherco have plenty of issues with stators and ECUs randomly failing... but at least it's not seizing the engines.
I have a 2020 husqvarna tx300i, with 146 hours! Flawless! Haven't changed a thing yet (except air and fuel filters). Mostly technical riding, woods ST and Desert ST (5MOH), with a little high speed. My favorite, and IMO best bike ever!
Good to hear, Brian! I figure you've replaced your oil pump?
@@crosstrainingenduro No, on the oil pump, I've started to consider it, maybe keep one in my pack? As far as I know, the oil pump is the same as the 2T mopeds, and I promise no one changes them at 80 hours. I bet it's a CYA kind of thing. Just like top ends. My plan is 200 hours, new top end and pump.
A mate has just changed the piston in his 300 ....250hrs 6k miles had no problems piston looked ok...still on original oil pump...bike has been excellent no problems
Im quite happily poor so i can only afford a CRF. But more importantly i dont want to be stuck on the burmese border with a seized up money pit so it looks like the CRF will have to continue as my donkey of choice.... and i did actually blow it up but rings, seals n gaskets hit me for $30.... splendid.
is yours the L model or the X
@@huskypoop4917 its a M. The suspension is harder.
Long live the donkey
@@cedricboivin9422 hes on his 2nd life now, im not sure what killed the oil rings but it was running really rich after i sank it. I think the muteki ecu controller drowned so ive junked it.
@@theravedaddy ☹️
Man, thanks. I have 21 Husq TX300 that just arrived to 110 hrs and I have a piston kit for. Your video awoke me to get an oil pump also. I bought the warrantee being nervous about TPI. That said, I need to keep up with recommended maintenance. Great bike no problems except wife complaining of my seat time.
As per the vid, quite a few riders just ignore the oil pump and they can last a long time. But sometimes they don't! Thankfully there is a warning light on the dash apparently. If your shop is doing the work it might pay to ask them to reflash your ECU to the same mapping as the earlier models which uses more oil?
@@crosstrainingenduro Thank you, I planned to do the work myself. I like the re-flash idea.
Ya it's definitely a problem, but people being idiots with air filters and maintenance are much bigger problems
To combat all the rumors about the not enough oil being fed in I went with the TSP remap and billet head. Small price to pay for some piece of mind. (2021 TX300i)
Me also but did it at 80 hours on my 20 250xc-w and piston and cylinder looked great on stock setup. But TSP high compression head ecu refresh just works so good it worth it.
@@chrispederson4157 ,yes TSP are very good to deal with ,love their aftermarket heads d
2021 KTM 300 XCW Erz edition (friends)- oil pump failure at less than 10 hours - replaced entire engine
2021 KTM 300xcw - (mine)30 hours - no issues
Any chance you saw wher the oil pump was made before it was installed, Jake? Or still got the old one to check? I know fuel pumps for KTM's four strokes are made in China, I wonder if the oil pumps are made there too and are simply cheap nasty products? In so many other bikes oil pumps simply last the lifetime of the bike, whereas KTM recommends replacement at 80 hours... but in some cases they don't even last 10 hours.
@@crosstrainingenduro I hate to say but at 40 hours mine seized this weekend, did I overheat it, oil was too low? I'll check it out and get back - He had the shop do his work and didn't get any "feedback".
Good video and you bring up some valid points. While I’m no expert in this arena, I would be interested to see which area most of those failures take place in. When I look at most videos done in Europe, I see almost no smoke when the guys are riding, which leads me to believe the bikes in Europe run very lean for emission purposes. In South Africa, all the bikes in my riding group and my observation on other tpi’s is that they all smoke, some to the point where “spoog“ runs out of the exhaust. It might be that our bike runs richer, also note that if the guys don’t do the idling screw mod and just turn the air screw this will also run the bike lean. All the guys in my group complain of the bikes not idling properly so everyone has done the idling screw mod. One last thing, with the angles that we ride in hard enduro whether we are going up or down a climb, it is important to always make sure the oil reservoir is full and that the bike never gets to a point where oil is not available for the pump. Geez that was long….but so far, touch wood, no issues on my 250 and 300 tpi yet….
Good points, Gordon. I appreciate the detail and I'll be adding stuff like this to the pinned first comment.
I’m getting a 2022 te300i today and am nervous as hell now. My Honda dual sports are not sensitive. You think I’ll need the idle screw mod? Thanks for any help?
Some KTM fan boy said I don’t own one cause I’m too broke.
“No no man it’s cause if I did own one I WOULD be broke”
or the bike would be broke
Bullshit. I’ve owned four KTMs since 2007 and NONE required anything but routine maintenance.
I’ve never had a single issue with any of my Austrian bikes. My dad puts more mileage on his bike than I put on my car and besides regular maintenance the bike has been flawless.
@@someonethatwatchesyoutube2953 no he means ktms are overprized asf
I’ve had great luck with KTM’s, Yamaha’s, Kawasaki’s and Honda’s over the years. Not so much Suzuki but probably fluke electrical issues. Looking forward to trying a Beta or Sherco next. Ive always felt my KTM’s were every bit as reliable as my Japanese bikes.
I never understood why people cringe at mixing fuel... just ignore the oil pump and mix your oil in the fuel. Problem solved..
I don't think there's any way to bypass the TPI system though. You'd probably need to replace the whole top end to go back to a carb. There are discussions about running 100:1 or 150:1 in the tank to richen the TPI bikes but some argue this could block the system... not sure if that's true but it's probably best to just get it remapped.
because the fuel goes directly to the top end
@@unfunny2258 there I was caught being dumb again! Lol
I had a Suzuki 120 CAT 2 stroke in the 70's. It had a oil injection system. My other 2 strokes was a 250 CZ. I ended up saving time and just use premix and tied off the injector system. I wonder if you can do it to the KTM's? My 2016 300XC uses a Carb and glad it does. Jet for 4,000ft and is good in So Cal.
Looks too expensive to delete the TPI, Erik. Replacing the barrel and entire electrical system would be very expensive, before you even started on the other bits...
Husky and ktm r both the same and shit
The EPA dictatorships have them running as lean as possible, so one little error in the engine management can put it over the edge.
Those pistons look bone dry.
Tests have shown some models are running as lean as 150:1...
Mine seized after 9 hours
Steady trail riding
Ktm have had it 5 months and still not fixed it
Is that lack of parts, Liam? I know in Australia they have had trouble accessing barrels and pistons due to the number of failures. 🤔
I have 150 hours on mine.
I personally know of three intake seizures last winter here in Washington state. My 2020 at a 190 hours, a friend's 2019 at 110 hours, and another friend's 2020. My crankcase pressure sensor was bad and I also plan to try snowmobile oil this winter. The shop we went to mentioned there was a trend of failures in the Midwest where temps are colder than here.
Do you think the crankcase pressure sensor actually caused the seizing, Bob? I was under the impression it would normally make the bike run too rich and could just stutter and foul plugs?
@@crosstrainingenduro I'm not sure if the bad sensor was the cause and the dealer didn't know either. Yes, a bad sensor will cause running issues and will foul plugs. I was getting poor fuel economy with the bad sensor so one theory is the excess fuel was washing the oil off the piston. The clutch side seal was bad as well. We'll see how it does this season, so far it's been running well!
easy fix, buy a honda
good advice . my son has a 2020 300 . and has had idle problems now sorted by the dealer , ill stick with my 2011 250exc . for the moment .
I knew the 2018 and 2019 models often had problems with idling, I'm surprised to hear it still occurs in the later models, Steve.
128 Hours, 1848 miles, original oil pump, piston and rings on my 2020 KTM 300 xcw tpi with no issues. Runs sooooo good. Thanks for your videos.
Most modern two stroke 300s seem to be okay with top end rebuilds at 150 to 200 hours if they aren't being thrashed. 👍😊
rmx450 2016 model huge hours including fink etc, not a single issue never had to even do valves clearances.
Yeah mate I have a 12 rmz450 with over 200 hours, not a prob, Same with my 98 rmx250s with 22,000km, zooks for the win ktm are just an under engineered fashion statement
Great video, My 2020 300 seized at 22 hours straight after I picked it up from the dealer when they were tying to fix the common cold idle issue, It was covered under warranty. Faulty crankcase pressure sensor will also cause cold start idling issues, GOOD ADVISE, read the owner manual !! it tells you to follow a cold start procedure for the first couple of minutes, TSP told me if you dont your more likely to foul the plug. Cheers guys
Great to see they covered it under warranty without any arguments, Phil. 👍 Did they say what the likely cause was?
@@crosstrainingenduro They said it was a failed oil pump ? I think they forgot to prime it, I only got 300 mtrs down the road when it seized ?? who knows ? Fair to say KTM were GREAT, the dealer told me at if it was any other brand it would not have been covered at 22 hours !
I had an expensive warranty issue with my Husky, right around the 29 day mark, manufacturing error in the engine case. Dealer took the bike in, and told me a week later the claim was denied. I called KTM USA immediately, had the rep on the phone in 10 minutes, who told me no, the claim was approved. Dealer complained the whole time that they were going to lose big money on the job, and KTM doesn't pay enough to cover their actual time...
It isn't always KTM who puts up the fight. Give them a call directly if there is any issue.
Beta dealers faced the same issue with main bearing failures. Beta head office only pays for five hours labor which isn't enough. Plus the dealer has to pay for non-labor costs such as engine oil, radiator fluid, any gaskets etc. I did ask Beta why they don't properly reimburse their dealers and was told it wasn't my business. 😂 KTM, and I assume most manufacturers, try to offload some of the cost to dealers. If you have a great dealer, help them out by stripping the bike down as much as possible for the repair.
@@crosstrainingenduro good to know, I would have gladly helped, but I asked what they wanted done, and they said to take off the skid plate to get a better look at the defect, that was it.
I found my repair paperwork, 7 hours for a full teardown and rebuild is what they were approved for, on a 4 stroke... 1734 USD for parts alone (Ktm paid for the oil, filter, and coolant), but I come back to the dealer quite often for gear, oil, etc because I got to know half of the staff through the process 😆
Pretty sure mine just seized at 40 hours, haven't taken it apart yet. Yes, it boiled over... engine light, no throttle response and bogging... seemed electrical and then cleared up... then knock knock knock....then died and wouldn't restart...... no stock fan, why does bike boil over so easy. Yes we ride dusty, sandy steep hill climbs and gnar but damn, 40 hours. This was my first fancy boy purchase ever, I'm usually very frugal..... like 1994 XR600 frugal Tempted to junk it and buy a YZ250x... I just wanted reliable, that why I bought new....
Keep me posted on the outcome, Jake. Unfortunately quite a few TPI owners are finding they need to spend quite a bit of money to get their bikes running properly and lessen the chances of seizing.
KTM declined the first "warranty favor since it was older than 30 days, so I gave them a call to see why the engine failed, was it my fault etc. They said "lack of oiling""lack of lubrication""new mapping needed possibly" So, they decided to cover all the parts even though they aren't obligated but it does seem these failures are somewhat common since my ridding buddy who also has a 2021 300 had the same thing happen roughly speaking. Hope this helps and gets mixed in the with data, just get the new remap, watch the oil level and pump, get a fan, keep a clean filter, let it warm up good. Cross fingers...
I'm not sure why people are rebuilding top-ends at 80 hours, the bike is probably out of warranty at that point. A simple compression test would tell if it was needed.
I have a Husqvarna TE 300i 2020, and used it as supermoto, (no engine mods what so ever) Ive absolutely ripped the living hell out of it.
Only issue ive had is a small powervalve cover leak. quick fix. cost lest than 10 usd. I use Motorex Cross Power 2t oil.
We have about 10 tpi bikes not one has failed. My friend recently drowned his and it’s in for a rebuild at 9 hours, but that was his own fault.
That sounds about right. We don't know the specific rate of failure (and KTM is unlikely to tell us) but say it's a 5% chance then you should only see one in every 20 bikes seize. Other riders aren't so lucky of course, one guy said four TPI models have seized in his riding group.
Why does drowning it stuff it? Water in the oil tank?
See our vid about fixing drowned bikes, Ash.
I own a 2020 300 exc i purchased new, it's got 100 hrs on it now, I replaced the top end at 88 hrs and it's been awesome. I've added a TSP ecu & head package also. Best bike I've owned.
how much change did the TSP ecu & head package make ? what compression head insert did u get ? I'm not looking for more power just smoother throttle response so thinking about the TSP gear upgrade
@@YilgarnRallye it made a considerable difference mate, mine was unresponsive and sluggish from new. The TSP totally changed it, it's now responsive & has smooth power delivery. I went with the medium comp. Highly recommend it.
A remap certainly can help, Garry. I rode various 2019 TPI bikes in Romania and they had them all remapped by their local guru. Great linear power delivery, it felt just like all the Betas I have ridden in that respect.
@@clintanthony1779 my 2020 300 TPI is not bad, quite a bit better than the 2019 one I had, but could still do with smoothing out the mid throttle in particular....thinking the TSP Low compression head insert and reflash may be worth a go
@@crosstrainingenduro stock my 2020 is a lot better than my 2019 TPI bike, but could still do with more refinement in throttle response
My mate had his 2020 husky 300 fully rebuilt under warranty, it was getting 40-50klm out of a tank of fuel and leaked oil from the power valve cover, was running crap. He went to the dealer and they reckon it was the running in at the factory which caused the problems and got it done under warranty, I was very surprised it was 6 months old.
Do you know how many hours he'd done before taking it back, Eddy?
@@crosstrainingenduro 50 hours
Interesting... I assume some dealers are very supportive and much push the case for a warranty claim with head office, I've seen a few 'good will' warranties. But then some dealers are trying to wriggle out of warranty claims as low as three to six hours.
Sounds like regular KTM 'reliability' then... 🙄
When we've had KTMs in our group they seem to be about as reliable as the other European bikes... but it does seem that when the bring out innovations sometimes they aren't full tested and owners become the lab rats. I'm hoping to speak to a TPI specialist soon, but it does appear they reduced oil use in the 2020 and 2021 models which had led to a small but significant number of seizures.
I just picked up my xc 250 tpi last weekend. I know the guys in my local ktm dealership quite well. I asked the question about the tpi failures they have had come in and the most were for pressure sensors failing but one major seizure. Was told the new map was is ktm’s answer for the seizure issues
When did they send this map out? I recently bought a 2021, will it have the map or should I be asking the dealer. Tia
I have a 21 and it had the number two map in it. You have to take it to the dealer and as soon as they plug it in it will update and you cannot go back
Jesus.... I'll keep my Lectron jetless carb 2017 thanks... TPi = no thank you
Carb=no thank you, I will keep my tpi
Why not mix oil and fuel manually?
Like it was done before.
Oil in the fuel makes the air/fuel mixture leaner. This may cause issues on its own. Injectors probably not designed to run this way possibly though I’m not familiar with this system. Maybe it is recommended in certain circumstances such as break-in.
I don't know how successful this would be, Chris. Some claim with TPI it just gets burned and does no lubrication, others claim it can lubricate the barrel but not the bottom end. Could it clog the system? Some say it's a risk, others say they have run 150:1 with zero issues. I think we'd need a KTM engineer chiming in to know for sure.
You can't on the TPI because the fuel doesn't go in the bottom end like a regular 2 stroke. Only air and oil from the injector go in the bottom end.
ruclips.net/video/cEqYQVuadIk/видео.html
I have a 2021 exc 300. At 6.5 h the engine started working bad. My mechanic opened the engine only to see the piston and cylinder were like in your photos. It was minutes away from total seizing. KTM referred me to the new dealer in my area ( the old wan lost its license a month after I bought my bike) and they said since it had the race map and 30 days passed after the purchase I was not eligible for a warranty coverage. The cost was almost 900 EUR (at my mechanic, not the dealer, that would have been much more) for the new cylinder + piston kit and a 3 month waiting to get the parts, since you cannot find it anywhere in stock in the whole of Europe, and believe me I tried to get one at all costs.
That sucks. Is this in the UK or the US? I'm getting quite a few stories about warranty claims being rejected in the UK, but generally the US is good with support.
@@crosstrainingenduro Europe
2019 is a unicorn year for the XC/TX 300. It's the only year with the newest chassis and a carburetor. I put a Lectron on mine and riding it and my buddies 2020 300XC back-to-back, I could see no performance advantage to the tpi. In fact, mine would rev out more and had more top-end power. I'll never sell this bike.
Yep, a mate of mine picked up the very last carbed 250EXC and loves it. They were almost under 100kg that year, then suddenly gained 3kg the following year due to TPI. 🤔
@@crosstrainingenduro and they gained that AFTER removing the kick-start. Last year to include that as well.
It's a slippery slope... I was thinking about my next bike and TPIs were on the list until I started researching for this vid.
2021 300 xcw, piston and cylinder are destroyed. seized
Bummer. How many hours when it happened, Johnny? Do you know if the dealer had installed that 'extreme' map that uses more oil? I'm not sure if that was available back in 2021...
@@crosstrainingenduro 75 hrs. Don't know if the map was changed. They had the bike to replace the rectifier. I was told they usually reflash the ecu when working on bikes. The pipe didn't smoke more today than before.
My 2019 300 XC-W seized at 4 hrs. KTM warrantied it. I kicked in some money to offset labor at local shop...and brought breakfasts.
Good one, Chris. If KTM is anything like Beta they usually don't fully cover the bike shop's costs with most warranty repairs.
@@crosstrainingenduro ....now, do I install the TSP head and IRK...? 🤔
😂
I'LL stick with my simple DR650 four stroke thanks.
Yup! All day long!
Cheers!
The mighty bush pig!
Carb for me Thanks 👍🏻
I just did a top end on my 2020 KTM 300 XC TPI at 150 hours and it looked almost new, could have gone much longer. I did replace the CCPS and that cleaned up a little sputter at low revs.
If you take it to a ktm dealership they can put a updated map in it that give the bike more oil down low. its called the extreme map. no extra power just more lubrication
2019 300Tpi , just changed the piston at 80hrs. It looked perfect and measured within spec. Going to let it go 100hrs for the next piston change. Are any of these seizures caused by not warming the bike up first before being ridden hard? Pistons dont like it when they expand quicker than the barrel
I never publicly recommend this, Trevor, but I know when a two stroke 250 or 300 is well lubricated then top end rebuilds at 200 hours are common... assuming you aren't riding the bike aggressively. So 80 hours is very early for normal riding. Some guys have had cold seizures, but I don't know how common it is. KTM did release a mapping option that runs richer while cold. I think a cold start injector was introduced on later models too.
@@crosstrainingenduro First New 2 Stroke I have owned and 80hr piston replacement for normal usage was what the owners manual said so thought I might as well do what was recommended. Plus I was fitting a TSP cylinder head and ECU remap at the time. But yes 80hrs for the type of riding I do was early for a replacement.
I almost think I’d rather have a smart carb. I have one on my GPX and I love it
Was thinking about one for my beta 300rr mainly for gas savings
@@kameronleitzel8109 plus elevation and air temp changes too, it adjusts to those which is nice
@@LCARSADV my YZ has a lectron on it does a really good job ride all day on a single tank great power
Good luck with your overcomplicated bike. My nephews near new KTM siezed. Water-cooled two strokes shouldn't just sieze. They are faulty.
Bummer. Any luck with a warranty claim? It varies from country to country but can be as low as 30 days for some models. 😢
Friend of mine bought a new 2020 250 tpi (EU)oil pump failure after 20 hours. But all my other tpi friends 10+ never had any issues with there bikes
Did it seize... and was it fixed under warranty?
@@crosstrainingenduro Would have been nice, the crankshaft bearings got it first 1800€
No warranty
Bummer. 😢
4 stroker any day 1090R 2 oil pumps
Hi
I don't know how true it is. But one guy who owns a ktm tpi said his bike was running at 100:1. What? That's insane. He swapped out his cpu (only a couple grand hahaha) and it changed his oil ratio to 50:1. I'll stick to my Rieju thank you very much.
Doesn't sound accurate to me. I know with Beta's system it will run 100:1 at idle, but as you ramp up the revs it runs richer and richer until you hit 32:1 at full throttle. I'm sure the KTM system will be similar. Remember trials bikes are usually run between 80:1 to 100:1 because it's all low revs and not a lot of engine load most of the time.
I'll stay with my heavy clutch on the sherco thanks.
And hopefully no stator or ECU failures, Craig. 😁
@@crosstrainingenduro hopefully not,good so far. Still nothing like damage from seized engines on kato's.
@@crosstrainingenduro Never heard of the stator or ecu failures or stripped bolts and I'm active in the Sherco forum
I am using the Midwest Mountain clutch and brake levers on my Sherco SEF-R 2017. I use the clutch a lot, and I swear by these. Have used them on all the Shercos I have had for the last 5-6 years, and will stay with them.
I’m about to to buy a 2019 300exc and not sure to get it now, it got rebuilt under warranty at 20hours the bore was already scored. Recommendations ???
If you buy it I guess just get it remapped to use enough oil... as per this vid?
With my luck I would be a 5percenter
450 hours with my EXC(XC-W) 250 TPI 2018 here,never had a engine seized or a big problems with the tpi system and wouldn't go back to carb. I'm changing pistons every 150 hours. Oil pump replaced after 300 hours of use only as preventive maintenance. But many guys claim the oil pump could work up to 1000hours because it's very simple design, it could only seize if it's faulty from factory or if you drop dirt inside, so when you top up the oil always clean it thoroughly. 2T oil that I use is Motul 710.You need oil that is lower viscosity like Motorex, Motul 710(not the thick Motul 800)and it needs to be made for oil injection systems. No oil in gasoline tank!
The TPI specialists we spoke to said the mapping was better on the 2018 an 2019 models but the later models used even less oil and hence the seizing issues starting to emerge. They still feel it's too lean on your model, they usually richen the oil mix by about 20%. Possibly some oil pump failures are user error, but I think there's enough evidence to suggest there were problems with the actual pump... we'd really need KTM mechanics to confirm this but they usually keep their mouths shut.
@CROSS TRAINING ENDURO I put 190 hours on my 2020 TPI bike and the only issue was the leaking PV cover. I never did change the oil pump. My thinking is if it's still working at that point the chances of putting in a new one that is faulty is higher than the original pump failing. The number of other issues on new tpi's I'm seeing now is a big part of the reason I switched back to a carb bike.
I'll be considering a new bike in the next six months and a TPI model was on the list but I've taken it off now. I know the failure rate is low but I've always preferred bikes with less complexity... hence a DR650 for my adventure rides.
Would wish to highlight mroe under guidelines, how important it is, to heat up the engine proberly before you give load and revs.
I did see quite a few guys talking about 'cold seizes' but I didn't find enough evidence to make it a solid point... so I just referred to the correct warm up procedure as a sub-point. But if I get some good cases reported I'll add it to the pinned first comment.
@@crosstrainingenduro Understood, it will be difficult to figure out what was to actual root cause of the damage. Enclose a link which I found very helpful to narrow down possibilies of piston failure:
www.ms-motorservice.com/en/technipedia/post/piston-damage-and-causes/
I have 100 hours on a 2020 tpi and 50 on a 2021 tpi. No failures of any kind, not even a foul plug. TPI's can take the abuse. We should always expect some failure rate. Manufacturers aren't perfect. Yall yamaha bois have fun with those $1k e-start kits. I'm happy with my tpi!
Hard to know what the failure rate is, Ryan. But it's definitely low. And with a bit of luck the final kinks in the system will be ironed out for 2022.
Does 80 hours sound like an acceptable amount of time for an oil pump to survive? How about never change it it's good and will last longer than you.
How can you know if the oil pump stops up or quits while riding..you don't until the entire engine is destroyed.
Not sure where you heard that, Bryan.... there's an oil warning light on the dash. However one guy said it can easily slip out of its mount then you won't see it so it pays to check it's secure.
A right warm up of the engine is very important in tpi,and lots of rides don’t do it correctly! 😉
👍
yep, if I let my dad use my bike he would start it, give it a few blips of the throttle and then do a hill climb
I guess smart carbs is the solution
Meanwhile in Catalunya..my 2018 gas gas 300 that looks absolutely battered has just turned 400 hours..had 1 piston and small end and 2'clutch covers...for me this has been a fantastic bike...
The original and best Gas Gas, Marc! Great to hear. You will see Coxy in our vids occasionally on his old EC300, it's been very reliable except for the occasional problems with the dodgy e-start design.
The easiest solution? drop oil directly into the tank as insurance say at 100:1
Probably clog the injector
There are arguments for and against this. Jeff Slavens says it won't achieve anything in his TPI myths video, and he knows these bikes well. I'd love to hear from KTM's technical guys about this.
All of you guys that think you're so smart and say "just mix oil" or "remove the injectors and mix oil" need to do your research before posting. The way the motor is designed, mixing oil will not work and the oiled gas will not lube the bearings. The intake part of the engine is a completely different design than carb model. Also, if you mix oil into the gas it clogs the injectors and it will not work. There is nothing wrong with TPI bikes, I have and ride with many of them and there are no issues at all. No more than other bikes, it's just that it's new and there are a lot of people that have a tough time with change. In the near future the same guys on the fence will be at the local dealership financing a new TPI bike, I guarantee it.
I would c if it’s possible to swap out that 21 century electrical tpi and put the good old fashioned carburetor from the motorcross bikes. I’m sure some adjustments and mods will need to be done and may not meet emissions I’m sure but u could probably just put it back on for when it comes time for emission inspection, Then pop it off afterwards.
It looks as though the barrel is very different, haven't heard of anyone successfully going back to carb as yet.
“Every brand has their own issues”
Me sitting on my yz250 that could sit in the Mariana Trench for a week and still be bullet proof.
The good old YZ! We dream of Yamaha creating a 300cc enduro bike to show all the eurotrash how it's done.
If owners are worried about that issue, I guess they could simply mix a little two stroke oil, in with the fuel to make the bike run a little richer. Or would that cause some other kind of problem ???
We aren't sure Kevin so it would be good to have a KTM technician or TPI specialist comment. Some say adding oil to the tank could possibly clog up the system. Others say it won't lubricate the bottom end or under the piston skirt. Others say it will. But we do know the 2020 and 2021 models are mapped to use between 15 to 40% less oil across the rev range and this may be the real issue. And mapping that ensures more oil use across the rev range could be the solution.
We have had very good luck with our tpi bikes we sold. No failures, some small operator errors when servicing their machines, air filters, wrong oil use, and overheating/ crash damage failures.
Good to hear, Rudy. It almost seems to happen in clusters around he. One dealer said he's had 20% of two strokes back for warranty claims, other say only one or two. Are you getting guys with 2020 and 2021 models asking to go back to the previous mapping?
USA, 2018 250i, replaced the piston at 80 hours and it looked good. Over 100 hours now and still running strong, added the TSP kit (head and reflash) a couple months ago and very happy! Now I'm more worried about dialing the suspension, wish I had gone with an XC instead of the XCW, but I'm getting there. Bottom line - I'm happy with my TPI.
Good to hear, I spoke with one TPI tuner who said it's strange that there's so much variation... a few bikes seizing early but then others going as high as 200 hours before doing a top end and it all looks fine even with the stock mapping. It's good you went the reflash though.
I wonder if you can pour premix in to the tank and bypass the oiling system?
Apparently it makes little difference due to where the injectors are placed, Rob. That's according to TPI specialists.
There all Ktms what about the te250i or 300i are they any good
Pretty much the same bike but they just charge more for the Huskies, Corin.
2021 husky te300i 52 hrs my motor free spins when starting
Do you mean the starter motor isn't disengaging, Anthony?
4 ktm tpi here in nova scotia and all owner fault apparently they all had to pay out of pocket for repair all were 2020
Bummer. Any details Jordan? Did they seize? How many hours when they failed, were they out of warranty, what was the reason given for it being the riders' fault?
Do you have a link to the Technical Bulletin? I tried googeling it with the bulletin number but coudlnt find a "official" document. I would like to speak to my dealer about this (and getting a richer/ oil richer mix for free).
I just googled 'ktm technical bulletin tpi' and it pops up in a few places.
" only a small number of failures"...lol so small that they are finding barrels hard to get because they are used up in warranty repairs...
Yeah it's impossible to get accurate figures because the last thing KTM wants is us knowing the actual failure rates for various year models... and our TPI specialist said they KTM has even made changes during a particular year. With some engines running as lean as 150:1 and even 200:1 at certain revs it's no wonder they've had seizing engines.