Some things to keep in mind when checking out a used dirt bike. Be sure to visit Cyclepedia.com to learn more about our online ATV, motorcycle and scooter manuals.
ANOTHER TIP. Ask if the bike is salvaged. This never happened to me before until yesterday ! I gave them the money and then they gave me the pink slip, in which I read in the top right corner “SALVAGED”. I got such a good deal on it I didn’t flip out but I still felt they were dishonest by not sharing that information. So even though it might be a 1 in a 100 chance, Trust me. It’ll help paint a picture. Now I have to spend 15 bucks on a VIN report lol.
I should of watched this beifre buying my bike I bought on of fb payed 450 for a 140cc China pitbike big wheel very hard to start he said the carb needs tuning its had a top.end rebuild and its very hard to.kick it over too
Does anyone use a compression meter? After an external visual inspection: my first thing would be to have a compression gauge with me, and the acceptable psi # for the motor.
Usually a healthy engine will start easy and idle properly. With low compression engines are hard to start and don't want to idle, using this logic allows you to avoid an awkward situation. I would never let a stranger start doing diagnostic work on my bike if it runs fine! Just look for the usual signs like noise smoking ect to determine what you would offer if anything. If the engine does not run then I would say its fair to ask if you could get a compression reading.
If I’m spending $5k on a used bike, I am taking out spark plug screwing in my gauge and checking pressure.. that’s not awkward, nor is it highly diagnostic.
Was that a decompression level on top LH side of handle bar? I thought they done away with them in 2003? I remember years ago when I blew my 02 up I bought 03 cams and parts to get rid of it.
That's the hot start lever, it lets in some fresh air to help starting if you stall or tip over. Your correct about them getting rid of the manual decompression way back.
Im having a small problem with my KTM 525sx from 2004. It starts rather easy when cold (1 to 5 kicks) depending how i kick. It runs smooth and good on the idle, No change at all. But after it gets warmer and it's ready to go full on the throttle, When i twist the throttle it bogs on low rpm's. And when i ride it long enough (Maybe 30 minutes) and shut it off, It becomes really hard to kick-start it. Nearly impossible i would say. Problems that i have fixed. 1: Fine-tuned the acceleration pump that squirts more gas into the engine. 2: Cleaned the carb and all the jets. 3: Fine-tuned the mixture screw below the carb and gave it a little more rich mixture then before (2 turns out). Problems that i found. 1: The pilot/idle jet has a crack in it from the top, And goes down maybe 2-3mm down the jet. 2: The owner before me didn't oil the air filter, So it runs dry and could maybe get too much air in. Could these two remaining problems be the main cause why it bogs on low rpm's? Btw now it has the original idle/pilot jet size 45. I can go higher by 48, 50, 52 and 55. Please help me, It would mean alot because it's a pay in the ass having that annoying bog all the time. Cheers!
A quick compression test would be my next step, the engine may be low on compression and the las guy not oiling the filter didn't do the engine any favors.
@@Cyclepedia I tried a compression test today, And it was good (11:0) as it should be. And before i did the test i thought, It couldn't be the compression. I mean i can literally stand on the kick if i want to. So my next step is to buy and oil up a new airfilter.
just purchased a 2022 RM85 for my son VIA FB marketplace and forgot to check the oil drain plug not thinking anything. The guy put some sort of epoxy crap all over the drain bolt plug and I cannot get it off. It leaks oil through this epoxy so I bet he cracked it or cross threaded it. Either way a very bad move to make by putting epoxy on it and he hid it from me obviously.
Unfortunately that is common on those engines and hate to hear this. You may be able to remove enough epoxy to clean and do a better repair. We have a manual for that bike on our website if you need it. www.cyclepedia.com/online-manuals/suzuki-atv-motorcycle-scooter-online-repair-manuals/
Hello I am trying to buy a 2001 Yamaha yz426 the seller is telling me that the bike runs and drives but can’t downshift when the bike is turned on he can only downshift when off what can be the problem
Maybe the clutch is having issues? The problem is running a machine with mechanical problems can stress out other areas so riding the bike with shifting issues that could be caused by the clutch or gear shift linkage could lead to more problems like transmission. Sellers usually are guessing and have no idea what's wrong in my experience. All this can be fixed but don't pay much, an older dirt bike with any shifting issues can get expensive fast.
It all depends on the condition of the 250, an old one could have a worn engine and rebuild cost could easily exceed the value of the bike. If the 250 starts easily and runs good it may be fine.
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ANOTHER TIP. Ask if the bike is salvaged. This never happened to me before until yesterday ! I gave them the money and then they gave me the pink slip, in which I read in the top right corner “SALVAGED”. I got such a good deal on it I didn’t flip out but I still felt they were dishonest by not sharing that information. So even though it might be a 1 in a 100 chance, Trust me. It’ll help paint a picture. Now I have to spend 15 bucks on a VIN report lol.
Excellent video, great information.
I also check the kick starter as they get some wear and you can tell if they say it has few hours but has been kicked heaps.
Great tips
I would suggest going for a fual injected dirtbike as carburetored bikes require lot more time. But if you like good sound, Carburetor bike is for you
tysm
I brought a second hand (used) dirtbike and I rode it and then the clutch cable snapped as soon as i rode it
I should of watched this beifre buying my bike I bought on of fb payed 450 for a 140cc China pitbike big wheel very hard to start he said the carb needs tuning its had a top.end rebuild and its very hard to.kick it over too
Does anyone use a compression meter? After an external visual inspection: my first thing would be to have a compression gauge with me, and the acceptable psi # for the motor.
Usually a healthy engine will start easy and idle properly. With low compression engines are hard to start and don't want to idle, using this logic allows you to avoid an awkward situation. I would never let a stranger start doing diagnostic work on my bike if it runs fine! Just look for the usual signs like noise smoking ect to determine what you would offer if anything. If the engine does not run then I would say its fair to ask if you could get a compression reading.
If I’m spending $5k on a used bike, I am taking out spark plug screwing in my gauge and checking pressure.. that’s not awkward, nor is it highly diagnostic.
Hay man great video, what year was that Yamaha in the video?
Thanks, 2013 model, last year of the carburetor.
0:35 if the parts dont last long, why are the so expensive? and wdym last long? Like if a person rides pro? or if a person rides like 5 hrs a week?
I should have been this thorough before getting married
🤣
Was that a decompression level on top LH side of handle bar? I thought they done away with them in 2003? I remember years ago when I blew my 02 up I bought 03 cams and parts to get rid of it.
That's the hot start lever, it lets in some fresh air to help starting if you stall or tip over. Your correct about them getting rid of the manual decompression way back.
@@Cyclepedia Okay thanks for the info. The 02s had a red plunger on the carb for hot start. Having it on the bars would have been nice.
Im having a small problem with my KTM 525sx from 2004.
It starts rather easy when cold (1 to 5 kicks) depending how i kick. It runs smooth and good on the idle, No change at all.
But after it gets warmer and it's ready to go full on the throttle, When i twist the throttle it bogs on low rpm's. And when i ride it long enough (Maybe 30 minutes) and shut it off, It becomes really hard to kick-start it. Nearly impossible i would say.
Problems that i have fixed.
1: Fine-tuned the acceleration pump that squirts more gas into the engine.
2: Cleaned the carb and all the jets.
3: Fine-tuned the mixture screw below the carb and gave it a little more rich mixture then before (2 turns out).
Problems that i found.
1: The pilot/idle jet has a crack in it from the top, And goes down maybe 2-3mm down the jet.
2: The owner before me didn't oil the air filter, So it runs dry and could maybe get too much air in.
Could these two remaining problems be the main cause why it bogs on low rpm's?
Btw now it has the original idle/pilot jet size 45. I can go higher by 48, 50, 52 and 55.
Please help me, It would mean alot because it's a pay in the ass having that annoying bog all the time.
Cheers!
A quick compression test would be my next step, the engine may be low on compression and the las guy not oiling the filter didn't do the engine any favors.
@@Cyclepedia I tried a compression test today, And it was good (11:0) as it should be.
And before i did the test i thought, It couldn't be the compression. I mean i can literally stand on the kick if i want to.
So my next step is to buy and oil up a new airfilter.
Make sure your spark plug is sweet
just purchased a 2022 RM85 for my son VIA FB marketplace and forgot to check the oil drain plug not thinking anything. The guy put some sort of epoxy crap all over the drain bolt plug and I cannot get it off. It leaks oil through this epoxy so I bet he cracked it or cross threaded it. Either way a very bad move to make by putting epoxy on it and he hid it from me obviously.
Unfortunately that is common on those engines and hate to hear this. You may be able to remove enough epoxy to clean and do a better repair. We have a manual for that bike on our website if you need it. www.cyclepedia.com/online-manuals/suzuki-atv-motorcycle-scooter-online-repair-manuals/
Hello I am trying to buy a 2001 Yamaha yz426 the seller is telling me that the bike runs and drives but can’t downshift when the bike is turned on he can only downshift when off what can be the problem
Maybe the clutch is having issues? The problem is running a machine with mechanical problems can stress out other areas so riding the bike with shifting issues that could be caused by the clutch or gear shift linkage could lead to more problems like transmission. Sellers usually are guessing and have no idea what's wrong in my experience. All this can be fixed but don't pay much, an older dirt bike with any shifting issues can get expensive fast.
Now how can I get a used mottorbike
I'm looking to buy Yamaha wr250f between year 2016 and 2020. Is there a year model I should rather avoid or take a closer look at?
They are all good bikes, just try to find one that is not to beat up and follow the tips in this video.
@@Cyclepedia thank you 💪🏻
I’m looking to trade my 09 yz85 to a 04 yz250f with $100 boot on my end how do you feel about that
It all depends on the condition of the 250, an old one could have a worn engine and rebuild cost could easily exceed the value of the bike. If the 250 starts easily and runs good it may be fine.
Not that good
I need a 110 on the cheap that runs well from a Japanese brand
I hope you find one, TT-R has a great motor but smallest size, KLX and CRF have best aftermarket parts. All are fun!