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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
2010 KX250F does not start cold
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[QUOTE="WillyTheWimp, post: 1437280, member: 140973"] Hi, I just picked up a 2010 KX250F. I went through it and gave it a major service before anything as it looked not too well maintained. I checked and adjusted the valves and they are within the ballpark. New spark plug, filter etc. The problem I have is that the bike flat out refuses to start when using the choke and when cold. I have tried giving it gas, no gas, one twist, two twists, choke, no choke, it seems the only way to get it to fire is to give it a pump of throttle then hold it only slightly open. I have tried adjusting the idle, the bike has a 42 pilot jet (it had a 45 when I got it) and the fuel screw setting is two turns out. When it does start the choke does increase the idle, and when it has started and warmed up for a few minutes it starts real easy from then on. Otherwise the bike runs fine and has plenty of power and no further issues. Thank you [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
2010 KX250F does not start cold
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