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LancoRider726

02 Yz426 slipping?

5 posts in this topic

Hey I have a 2002 yz426f. Bought it a few days back. I was riding on some trails and took a short cut on a road back to the truck and trailer. When I got up into 5th and rolled on up to about 3/4 throttle, the bike started to skip. As if the chain had a bad kink or somthing like that. My buddy said just put a new clutch in it but I didn't wanna spend 60+ and that not be the problem. Thanks for any input.

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The most likely cause is a worn set of locking lugs on the 3rd and 5th main shaft gears (pinions). They get rounded over and will no longer hold in under a load. As they force themselves out of engagement, they bend the shift fork as well.

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If it does it in other gears check your sprockets and make sure the teeth are not rounded or broken.

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