Am I going to BLOW UP my dirt bike at this ratio?!!
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- Опубликовано: 26 ноя 2017
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Prepare to have your mind blown while we talk about 2 stroke oil ratios! There is so much confusion about how much oil you should mix into your fuel for your dirt bike. The best advice that I can give you is to follow the oil manufacturer’s recommendation. Some oils are designed to run at 30:1, while others can be run at 100:1. Your dirt bike manual will probably suggest that you use a certain type of premix oil at a certain ratio. Keep in mind that most of the time, the dirt bike company has a partnership or sponsorship relationship with that oil maker, which is why they tell you to use that oil. If you own a KTM, the the manual will suggest that you use Motorex at 60:1. This is because Motorex is a sponsor of KTM. KTM has a vested interest in telling you to use Motorex, but you certainly don’t have to.
Contrary to popular belief, you can run whatever quality oil you want to use. That particular oil will have the rating on how much oil you need to use per gallon. That sums it up.
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I run 1:1.
I roll coal in on my yz250
GunsCarsBikeCigars lol
Same lol
Same I usually use 50-1 Stijl oil with shell diesel at 2-1. Low down power
Wym coal in?
Zechariah Stanley watch a diesel truck video
If you are mixing in the tank, close fuel petcock first, so the heavier oil does not run straight into your carb.
thanks
I learned that the hard way 35 years ago.
john bailey I also learned that the hard way
Thanks for the tip.
I ussaly put the gas in 1st so I was thinkin about that whole thing
Talking 2 stroke oil in the pits, is like talking politics or religion at the Bar !
Fr
I watched this for my 2 stroke chainsaw! Totally answered the info I was after. Thank you
Honestly I’m afraid to run anything in the high ratios after only running 32:1 my whole life ..
same haha
ive been running my 01 cr250 and 91 kdx250 50:1 with sthill oil, opti, and sometimes what ever is at the gas station. trails. no more fouling plugs all the time.
@@daverobins182 yeah i keep fouling plugs I'm going to try 50:1
@@jozefnoch5346 what did u run before
You're used to shit oil
I read up on the classifications. I've compared a lot of oils and the truth is almost all brands has the same ratings and specs. Read up on ratings, not on if it says "racing pro extreme" or not.
This is gold. Just bought a modern two stroke KTM 250sx. The last two stroke I had was in the early nineties, and times have changed. Thanks for the content!
Anyone remember the days of 20:1? My first Suzuki PE175 was at that ratio. I think it kept the mosquitoes of your back😂
And in c.1960 motor oil was recommened
30-40wt
i remember some dude on a little fishing boat running an engine like that. He was nearly totally hidden in the smoke cloud as he was trolling around the lake.
Had a number of friends with the KDX200. Mostly from Jeff Fredette
lol, yes 20:1 and you just reminded me how old I am; thanks
yeah :))) well - that was also what the CR500 s demanded if you used mineral oil !!! good times those were.....
Please share more on how fuel-types and mix ratios relate. Great video, thanks.
I never knew this! Makes sense. Thank you for the info. I ordered the motion pro oil ratio mixer container you recommended in one of your other videos. Really like it, thanks again.
Evvverything I wanted to know about 2-stroke oil (the "fuel" oil, to be clear), you covered here so succinctly. Thank you a TON, Kyle.
Thanks for the vid! For my street legal CR500 I usually pre-measure out Amsoil Dominator oil at 3.2 fluid oz into 8 oz. plastic bottles (easiest to find locally for me). Carry 4 with me in a ziplock bag inside my backpack. Ratio comes out to 40:1. I only have a 2 gallon tank so this is convenient to separate out by each gallon. I just have to stop about every 30 miles and add a gallon to make sure the next gas station won't be a problem. I have found a few 3.2 oz containers of weed whacker grade 2 stroke oil that I use as well. After I use it up on the whacker, I refill with appropriate oil for my CR. I do the same thing with pre-measured Klotz octane booster too. Most gas stations around me only offer 91, which runs fine, but I feel better giving my bike a little more octane.
Cr500 on the tarmac that would be fun 🤙
Thank you for clearing the air on this! You said it super simple and easy to understand
I use to run Castrol R in my 1977 Rm 125 at 20:1... I was under the impression that you should use as much oil as possible without plug failure and only mix what you needed for the day...
Excellent explanation of the oil mixtures. I didn't even put two and two together. I open the manual and used the recommended oil ratios. I didn't even think it "really" goes my the oil manufacturer, not the KTM manual. But, I still fell in the correct range for the AMS Oil I have been running! I will be looking into the Saber convenience. Thank you! Go KTM
i have had issues and sorry for any trouble/.... your reviews R golden
Thanks fella, I've been Youtubing for a decade at least and had never noticed the little bell, lol, great vid'.
I remember when the 'garage attendant' would fill up for you, and add the correct amount of Castrol.
I've see a lot of people use baby bottles to put oil in because they have accurate measuring right on them plus they are small so one bottle equals one fill up. That way you can run whatever oil you want in a convient accurate measuring bottle.
Anthony Keller yes, of that oil manufacturer specifications of whatever it is used for..just logic
use med bottle
That's a great idea. Save money buying in bulk, and saves plastic bottles going into landfills I mean "recycling centers".
This is a good start, just bought my son a Suzuki 85 2018, brand new first time with a two strokes dirt bike. Not my first rodeo. My first son had a Honda 80 4-stroke. But this one is a whole new world. Gas mixture is very different, not only by with the recommendation specs for for oil from of the manufacturer. I want to find something that works overall and this is definitely is a good start. My neighbor who did Motocross with two strokes said have lots of spark plugs 🤣. you have to become a chemist at some point but don't let it over welm you.thank you for your video.
Dont have a 2 stroke but this was very informative, thanks :)
by the way, you could calculate the cost of the oil needed per gallon and refill those amsoil bottles with the most economical option, just a tip
I run Coconut oil in my machine, just warm the gas up with a blow dryer on cold days
Matt G Organic?
That's stuff gels below 76 F. You telling me gelled coconut oil dissolves in gasoline? I must see this.
Thank you for useful stuff .I'm new to 2 stroke and this really help!
Loving your work my friend. Thank you for information. 👍👍
With the newer bikes coming out that have the oil tank with no pre-mixing what oil would you run? I would think the bike would mix at the same ratio regardless of what oil you put in the tank. I wonder what ratio they set the bike up to run! Maybe you could do some research and do a video on this.
I was using Yamalube, and 32:1 and because of your videos I wanted to Try Amsoil SAber.. Well I was cautious about running 80:1 or 100:1 so I mixed the oil 60:1 to start. I tried starting the Bike and Immediately fouled the plug and the bike wouldnt run. So I mixed the gas at 80:1 changed the plug, and the Bike runs Great..
Your Videos on (WHY) the oils are mixed at specific ratios are awesome. I had no Idea before why there were different ratios. Now I know.. Thanks
Hey Kyle, can you incorporate more maintenance/ project videos in your list for future videos ? Then maybe like a similarities and differences video for 2-strokes and 4-strokes, for example: Gear oil/ trans fluid for 2-stroke compared to just motor oil in a 4-stroke or engine rebuild differences between 2-stroke & 4-stroke. Things like that. Basically shop talks. Love the channel.
Hey Kyle, great video. You didn't get into the big big bore. I run a 89 CR500 mostly in the woods, no racing. What do u recommend? Thanks
I found out it also depends on the type of riding.Motul (or Putoline) 50:1 - 40:1 When I take my 300exc to a motocross track and max 60:1 when I'm messing around on rocks and hard/slow stuff. Otherwise the sparkplugs tend to foul up.
From the Motul 710 datasheet:
RECOMMENDATIONS
Mixing ratio: from 2% to 4% (from 50:1 to 25:1) according to manufacturers' requirements.
Adjust according to your own use.
take note it says "RECOMMENDATIONS
"
hey Kyle I was wondering with oil injection how would this work then? can you adjust it on the bike or is it able to adjust itself. honestly have no idea. great video never knew that about 2 stroke oil
There aren't enough dirtbike lovers out there Kyle. You deserve way more subs. Quality content.
Love that you’ve had to make a video justifying your decision to use Sabre, lol. I’ve used Amsoil in my bike at 85:1 for years with zeeeero issues. Cylinders, pistons, bottoms ends having always been mint when I open the engine up. For me.....Sabre is by far the easiest, most cost effective high quality oil you can run. The small 236 ml bottle is perfect for mixing a 20L gas can.
Hey would you change the oil ratio to a 60 or 70:1 . If you were in the bush just cruizing along. Rather then track ridding where you would be okay with a 85:1
I can see a lot of oil injection and tpi bikes blowing up due to the injection system not knowing what oil is in the oil tank!
I think they'd just run overly rich. Mixing 32:1 with quality synthetic will just a waste oil and smoke (I think).
Good video Kyle,
When I first bought my Beta 300RR I used mogul at 50:1. I saw videos from yourself as well as others racing about Amsoil Saber.
I did tons of research before trying it, I was really nervous with the suggested ratios.
I started using it with 10 hrs on my bike and now have over 60.
I love this stuff, super easy to mix with the little bottles and I keep a couple 1.5 oz foil packs in my pack. Each pack works perfect for 1 gal of fuel in case I need to top off and don't have mixed fuel with me.
I like 32:1. Working on old chainsaws and such that originally was 16:1 gives it good lube with newer formulas. And have seen many scared up cylinders from those using leaned out 100:1. Plus it lubs things that have been sitting around for years better.
As a 10 year Amsoil Dealer and a Saber user myself, I want to that you for explaining this better. My chain saw and weed trimmer run great at 80 to 90 to 1.
I just got my 1st KTM2 stroke and I've been using Lucas full synthetic and mixing it at 50:1ratio. Do you have any thoughts on the Lucas products? I've always liked their oil and fuel products
Good Info, thanks Kyle!
Hey Kyle, love the channel! FYI, from what I understand, you are correct that a richer fuel oil mix (32:1 vs. 100:1) will result in a leaner fuel air mixture, however, in all practicality it's not because the mix becomes harder to pass through the jets. A richer fuel oil mix contains less gas molecules in a given volume (because oil is occupying or replacing the gas) and as we know, less gas per a given air volume equals a leaner fuel air mix.
John J I was thinking the exact same thing as I was watching the video
You are correct John. Oil doesn't combust the way gasoline does. This in effect leans out the mixture. My accolade - I work for a turbo snowmobile kit company.
I agree JJ
You are correct here was thinking same thing when I heard Kyle say that.
i believe its a combination of the two actually try pouring 1oz of oil through a hole and then try pouring a ounce of gas, more oil creates more drag
I guess you could always just get a bunch of small bottles and pre-measure whatever oil you wanted to use to get the same convenience. Would probably save some money that way being able to buy in larger containers.
you could just save the bottle?
Ktm ppl
Klotz is what I use, I mix at a 32:1 ratio. It smells sweet and runs prime have worked and currently works for me
Run KLOTZ at 50 to 1
Geocentric good read, makes a lot of sense , I think I’m going to stop using yamalube in my yz 125 after reading your piece, where I ride a lot at my place I don’t / can’t stay on the pipe a lot and I’m seeing a bit spooge and plug gets a tad wet but never fouls out, but want to try eliminate spooge, sounds like it’s caused by the oil I’m using at spec ratio 32:1, any thoughts on that ?
@@simonriley9378 spooge is a result of a rich fuel mixture not mix ratio. Lean out the jetting.
@@simonriley9378 you ever take your top end off the next day after you've run klotz? You'll find the entire engine has a coating of red rust on everything kind of a brownish red.... Tell him to the ball bearings in the lower end still crankshaft flyer Wheels you're connecting rod maybe that's why they tell you that drain the whole fuel system flush out the motor every time you turn it off cuz I'll never run that clock s*** again after seeing all that.. the young lady bar never left any deposits of carbon or anything else parts were like shiny metal if you just take him out of the package.... Delray wasn't too bad but it would leave deposits on the piston and a combustion chamber in the cylinder head... I don't want the viscosity is today on the Yamaha.. because it is about like 90 weight gear oil and you're running 50 to 1
KYLE,IN THE 60S I WAS RIDING A GREEVES 250 ,I USED AN OIL CALLED POLY-OXIDE,IT LOOKED JUST LIKE ATF FLUID,I MIXED IT 40 TO 1 AND NEVER HAD A PROBLEM OR A FOULED PLUG..IT WAS O GREAT BIKE..HAPPY NEW YEAR KYLE AND FAMILY..GREETINGS FROM THE PHILIPPINES
I run Klotz, in my bike and in my R/C nitro. That Klotz smell with the nitro is heaven.
Kyle, what mix do you run in your kids KTM 50SX and 65SX
Kyle, I wanted to take a moment and thank you for thought provoking videos. A while ago I caught your video on 2 stroke oil premix. You and I had an email dialogue. After our dialogue I began doing a ton of research on 2 stroke premix. I would like to say this is what I found. A couple of extra ounces more or a couple of ounces less will have a negligible affect on gasoline viscosity. You claim that the reason you run a higher ratio of gasoline to premix is due to the lubrication properties of the premix. This isn't the major reason you have success running less premix to gasoline. The greatest reason is the RPM's at which the engines spend most of their time. What I learned was that even the new fuel injected KTM's inject almost zero oil premix when idling. Then as the RPM's increase so does the amount of oil that is injected. This is to protect the engine parts at extreme temperatures and force. Now in a dirt bike that requires you to premix the oil and fuel, you don't have the luxury of variable Oil to fuel ratios, so you have use a ratio that best works for your bike/conditions. Since you're doing a great deal of single track riding the engine isn't spending most of its time in the upper RPM range most of the time. The engine isn't screaming nonstop like an MX bike does. Albeit the ratios you run work for you and your bikes, it isn't as much a condition of the grade of premix, but more a condition of the type of riding and RPM range you run at. At higher RPM's you need a thicker film of lubrication on the bearings, rings, etc. When a manufacturer recommends a premix ratio, the engineers select this premix ratio based on max RPM and insuring extending engine life. In short you're able to use less oil with strong results due to the lower RPM's your engines mostly run at and not the type/grade of oil you run. The other thing to consider is how well the rings seal especially at higher RPM's. The premix plays an important role here. The less oil in the fuel the thinner the film of oil on the cylinder walls/rings and that reduces compression especially at higher RPM's. Anyway, I wanted to share what I learned, and I did all of this research due to you getting my brain going. Also AFR is AFR, Running a thinner fuel or a thicker won't change the amount of lubrication. I say this because if the engine begins getting more fuel, or too much fuel, you'll need to lean out the fuel air ratio. If the engine is getting less fuel or too little, then you'll have to fatten up the mixture. At the end of the day the ideal AFR is somewhere between 12:1 to 14.5:1 Air Fuel Ratio. You can't run leaner without melting something down and you can't run richer without affecting performance negatively, You can't run a "thinner" fuel and believe you're getting more lubrication. The volumetric efficiency of the engine is static for arguments sake. That said, you'll need "X" amount of fuel for each revolution of the engine to maintain a specific Air Fuel Ratio. The mass of the fuel is more important than the volume. XX parts per million of air to YY parts per million of fuel. That said the volumetric efficiency of the engine is static, so you'll always need "XX" parts per million of fuel. The only variable is air density. The greater the air density, the more fuel, and vice versa. You'll reduce your engine life in no time running less oil to fuel regardless of the brand of oil premix if you let that engine scream. You're not getting additional fuel in the crankcase with a "thinner" fuel, unless of course you're running a fatter fuel mixture to air. I hope this makes sense and am happy to have further dialogue.
I guess many people loved this video because they know they can save some ounces which they like. What he explained made sense according to the oils, but what about the machines, our 2 strokes, how little oil can they resist, actually???
think my 2011 ktm exc 300 manual says to use motul at 60-1 i run it at 40-1 did my top end at 100 hours mechanic said i could have done another 100hrs. I race in cross country races and enduro and do the odd trail ride not scared to give my bike shit ether. smokes a bit when it's cold once it has warmed up runs as clean as a thumper. I pray that one day KTM will make a 400cc or 500cc two stoke for cross county racing / enduro as sometimes i feel the 300 could do with a bit more power.
Just noticed your tire shelves; very nice👌
Maxima K2 40:1 in my 300 and 70:1 in my trials bike. Also 100 octane VP. These mixtures work perfect on both bikes
So if I'm mixing (recommended) 100:1 with this oil brand VS 40:1 (recommended)with that oil brand, it's all just mixed fuel and it can run in any 2-stroke engine and provide the same lubrication ?
Hey man, great video. Question; I'm bringing the 300 XC-W I just purchased down to Mexico. The unleaded is lower octane, like 87, the higher octane has lead in it (no shit... they still lead their gas). I want to run the higher octane, but I'm not sure how that messes with the oil/gas ratio? Any thoughts? Thanks!!!
...two more tips that apply: #1) 2 stokes do NOT play well with ethanol so avoid E 85, although methanol does work very well as do nitromethane/alcohol blends. REJET necessary!! #2) If you're not sure if that particular engine is gonna be run for a while, add about 1/4 oz./gallon Sta-Bil to the 'tank', shake it up, fire it up, let it run a few minutes. It'll be good for about 1 1/2 years! I just put Sta-Bil in anyway (most of the time), that way you never get the dreaded "green float bowl", especially on the generators! : )'
Hey Kyle, so when running amsoil saber are you running it at the 80:1 or 100:1 recommendation?
I have done 2 top ends in my 08 ktm 300 and have run amsoil saber at 90 to 1 for over 200 hours and never had a problem. However, I'm not revving the bike out a ton.
Nice one dude. Make sense. Just got our first 2-stroke for our girl and was not sure how to run it... Cheers. Braaaap.
I was running maxima super M at 60:1 and the plug would like wet, oily, and sooty. Went back to Yamaha recommended 30:1 and now I have a perfect brown plug, with not jetting changes. I'm actually running a leaner jet than what's recommended. I can understand why oil manufacturers suggest running at their higher dilution ratios, but for some reason, Yamaha YZ250 likes it between 30:1 and 40:1.
so you run through it more and keep buying it is my assumption but I could be wrong
Word of the day " Lubricity"
I think he was looking for viscosity.
Great video as always man, I recently jumped (back on) the 2-stroke bandwagon, my new/old 2014 KTM 300XC is unicorn level magical. I've always just mixed my oil/fuel at 50:1 regardless of brand, perhaps I have always been wrong? My badass ATC250R's always ran great on that.
Great Video!
I've been using ace hardware 2 stroke oil its specific for lawn equipment as well but works great. I run 40:1
I use Dumonde tech L111 in my yz125 at 32:1 but I think I'm going to switch to 40:1 since that's what they recommend for an average usage ratio.
Experience tells me that a lean 65:1 synthetic oil mixture produces better cylinder cooling, higher torque and a noticeable reduction of pre-ignition on my 1980 Yamaha DT175G in comparison of a 40:1 mineral oil mixture. Try it.
Doesn't that also depend on the engine? My old 1960-1980 Hercules 2-stroke specs mostly say 1:25 and I always thought it was better to have a little too much oil than too little.
What about the oil bottles that give you the ratio for how much fuel to add to make 30:1 to 60:1? It doesn’t say “this oil works best at 45:1” it just gives you a chart for different mixtures.
I've got an old Suzuki 50 and I would like to know your thoughts on running 50:1 Husqvarna chainsaw premix gas in it. As far as I can tell from your video is that I should be good doing this.
Could you not put any oil in the used little bottles for this massive mixing convenience advantage? :/
Thanks -good info that made sense
I run a full synthetic with 20% bean oil in the summer. Maxima Castor927 or Klotz Super TP. I think they are fairly equivalent, but I find better prices on occasion for the Klotz STP. These are not said to have good cold storage or off season corrosion resistance, so in the fall when it gets cooler I switch to the Amsoil Interceptor. Amsoil CS says the Saber is for garden tools, though I don't know why it would make any difference. Maybe it's just the same stuff marketed differently. (I've used the Amsoil 100:1 (@80:1) in all my two stroke implements for many, many years with no problem.) The Dominator is said to be race oriented and does not have the off season corrosion resistance that the Interceptor has. I run a CR500 with no exhaust power valve at 44:1. The Dominator is also said by Amsoil to be more for racing all out, and can lead to more crude build up on the power valve in other applications. I believe they recommend the Interceptor for power valve applications. As for smell you can't beat the 927 or Klotz STP, though the Amsoil injector oil I ran in my TS185 smelled pretty good as well.
Hi, just started riding dirt bikes and your channel is great. I’m in Utah as well. Where do you buy amsoil? I cannot find it anywhere other than amazon.
I race A-SSR. On a 2002 ktm 300 , run AMSOIL Interceptor 80:1 for 10 years on the same bike. 1 set of rings so far and my compression is 190. With Factory jets and have never changed the spark plug. 2 strokes are awesome. I never mix it in the tank. If i had to, i would shake it up a lot before opening the petcock. I like the crisp throttle response and less smoke with the lean mixture.
What were the factory MX teams mixing ratios, when the 2T bikes were racing?
32 to 1
sir..is premix better than relying on the 2t oil pump in bikes??...does this offroad racing bikes have oil pumps in first place ??
Super helpful. Thank you!
My question is if it would hurt to run something other than motorex 2t in ktms Tpi bike? Doesn't it mix it with in spec for motorex? I'm no 2 stoke pro here. Just a question.
i use the royal purple full synthetic 2 stroke oil at 32:1, one of the engines has run for years without any noticable loss of power or compression, its such a good oil
Great video!!! I really appreciate you. 👍😎 Looks like I need to find out what ratio my castor 927 needs to be at.
talking serpents I used to run it at 50:1 on my cr250. Smells great!
+1 on the Amsoil - it is good clean running oil. I prefer the Dominator, simply because Amsoil directs you to it. I know a lot of guys who run the Saber though with fine results. Did a top end job on my '13 TE 300 and after 200 plus hours, the engine looked great, the head was actually completely clean.
A buddy runs Honda HP2 at 32:1 in his CR250. After a long period of techical stuff, we got out in the open desert. He is a fast rider and started going fast. I noticed a big plume of white smoke coming out of his exhaust and thought his engine had blown up. Turns out the excess oil spooge was burning off, like a diesel regenerating it's DPF - LMAO.
I have been running my 02 rm250 at 50:1, over 12 years, race from time to time. I have been building 2strokes since 72, I am 67. This bike is amazing, hardly smokes at all. Now with over 26 hours on this top end my ring leak down is less than 15 %. I run expert class when I do race. I laugh at these guys trying to tell me I can't race my 250 at 50:1.
Hey, so my 92 KX250 is recommending 32:1 in the book. I don’t follow that if I’m running the AMSOIL interceptor oil then? I’d find out what amsoil states? Is that maybe why my spark plug is wet and oily?
So the 1981 CR80 manual recommends 20 - 1, using the Motul oil it should be run anywhere from 25/50 - 1?
Thanks! Great info. I’m going to try the amsoil
I run 2% (100ml in 5Liters) motorex crosspower full synthetic in my 1992 CR 125 is that ok ?
you answered my question. Great video
What oil smells the best? I used to run Castror 927, liked the smell but it gunked up like crazy, switched to yamalube 2r and it smells like ass. Also I've been riding yamaha 2-strokes my whole life and always just mixed at the manual's yamalubes 32:1 ratio. Learned a lot thanks
Great advice!! Never heard this before.
My manual for my yz 125 recommends 32-1 so that's what I'm going to mix it at, listen to your manual.
I live in the city i keep my 2-stroke oil in a baby bottle works great to help measure my oil.
Funny you should mention. I use a used two stroke oil bottle over and over to measure my oil because measuring cups are messy and hard to clean that sticky two stroke oil out of.
I just built a 1987 Suzuki lt500r mostly stock, mild port job,v force reeds and a fmf pipe and silencer...what oil and ratio would you recommend.I will be trail riding with some high speed riding.
Kyle what ratio did you run the yz250x at.... and what oil
In my KTM XCW 200, Motul 710 at 50:1 without issues for years and also use that same ratio with my Echo leaf blower/weed eater 👍🏻👍🏻. Occasionally I’ll throw in some stripper glitter, WD40 and fairy dust 😁
Where do you buy stripper glitter at, or do you get it direct from the source?
Neumeister Animal Hospital younger days from the source 🤪
Me and my friends are using Motul 710 at 60:1 on ours Beta and Gas Gas-es 300cc 2 Strokes without any problem.We ride enduro,trails,hillclimbs etc...
Hi Kyle, my sons 85sx (2004) is constantly fouling plugs, hoping that a crankshaft seal hasn't failed, and it is only the oil/fuel ratio that is the cause (55:1 of Motorex 2 T). We've used 4 plugs and been stranded deep in the bush. Would love your advice or any tips you might have.
its been one year and you probably solved it, i have same issue, can you share with me what was the problem?
Good video. Nicely done
Exactly right. This guys got brains!
My dad’s old Suzuki rl 250 trials bike was 20:1 and man that thing had spooge for days! Times have changed, that’s for sure.
I run a 1990 yz 250wr on 32:1 it's not too smoky but on the top end you would think it's on fire or theres a smoke screen function. Just got it running with new reeds little rich but a main drop and it'll be perfect
Do leaded races fuels require more oil then pump gas fuels (c12, c16)? Same question for leaded oxy race fuel like q16.
Nicholas Swan, leaded fuel does not require more oil, lead is a soft metal that actually provides some lubrication never the less use recommended amount of oil. As for oxygenated fuel, you need to be very careful you need to jet your carburetor to maintain proper air/fuel ratio. Once you do that you are committed to such fuel. One more thing fuels have specific gravity and that effect your float in a carburetor.
I would recommend Sunoco Surge for your two stroke dirt bike.
Question! Redline 2 stroke racing oil been using it for years and years and have ran 32:1 in a 2005 KX250 then got a RM supermini 112cc and run 50:1 with it but just curious whats your overall thought on Raceline 2 stroke premix
I put leftover mix in my oilhead GS and it didn't care. The only fuel maintenance was putting injector cleaner in one time it was acting sluggish.