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XR650L_Dave last won the day on June 24 2011

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About XR650L_Dave

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  1. Hi Dave, i was hoping you could help me. i just did the carb mod on my 08xr650l with a few alternative parts. i am running a 55pj and a 162mj with a dj jet needle( third clip position and dj spring). Fmf muffler, open airbox, uni filter, smog stuff gone, at 2500' with around 55F at the moment. bike runs great once warm but when cold it doesn't make me happy. Full choke it starts up idles for a short while and then dies. Changing choke doesn't make a difference.

    1. xr650l_Heiko


      I have to use throttle to keep the engine running until it is warm. BTW the mixture screw is at 1 1/2 and I already played around with and tried different settings with no change. What do you think is the cause of this weak cold start idle? Thanks, Heiko