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99tonkatruck

426 dies when choke i pushed in

6 posts in this topic

Hi all first post here, I have searched for the past 2 hours and cant find the answer please help. I have a 2001 yz426f and normal cold start up with choke out. It starts first or second kick no prob. After letting it warm up a bit i push choke back in and bike dies. Do this 2 or three more times, same result. I then rode around easy for 5 minutes with choke pulled out, bike now good and warm, push choke in and bike dies, i dont get it. I have messed with idle bringing it up and down, bike still dies.

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Hi all first post here, I have searched for the past 2 hours and cant find the answer please help. I have a 2001 yz426f and normal cold start up with choke out. It starts first or second kick no prob. After letting it warm up a bit i push choke back in and bike dies. Do this 2 or three more times, same result. I then rode around easy for 5 minutes with choke pulled out, bike now good and warm, push choke in and bike dies, i dont get it. I have messed with idle bringing it up and down, bike still dies.

pilot jet for sure

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