YZ426F Starting after it stalls.....

Joined
May 10, 2007
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#1
Hello All,

Need some assistance please ... I have recently purchased a 2002 YZ426F and at first I thought I purchased a lemon as I was not able to master the technique of starting this bike. Now, I am able to start the bike when cold on the first or second kick, which I know at least feel comfortable starting it when it is cold. Now I still fear when I get in the woods and the bike stalls, I am not able to get it started quickly at all.. Any recommendations, I am sure I will get use to it and it will become much easier but for now it is driving me crazy..


Thanks for your help...

Dave
 

dirt bike dave

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May 3, 2000
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#2
Have you checked the valve clearance?

The most common reason a 4 stroke does not start when hot is the valves are too tight. Basically, when the motor gets hot the clearances disappear, and the valves are not closing all the way. The exhaust valves are the most likely culprit, but check and set them all.

If the valve clearances are fine, then it maybe your hot starting technique.