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Everything Dirt Bike
Make / Model Specific
Yamaha
2009 yz250
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<blockquote data-quote="sedixon444" data-source="post: 231773" data-attributes="member: 6416"><p>ok guys i'm stuck on this one. i have a 2009 yz250, just put in a new crank and carb with wiseco reed intake and new air filter. the bike starts fine and runs great with the choke on. soon as i have it warmed up and take the choke off it starts to bog at lower rpm and wont idle. i can keep it running with the revs up. with the choke on it runs perfect. got a 178 main and a 50 pilot, needle is on second clip from top. air screw is 1 turn out. running 97 pump gas with maxima 927 at 40:1.</p></blockquote><p></p>
[QUOTE="sedixon444, post: 231773, member: 6416"] ok guys i'm stuck on this one. i have a 2009 yz250, just put in a new crank and carb with wiseco reed intake and new air filter. the bike starts fine and runs great with the choke on. soon as i have it warmed up and take the choke off it starts to bog at lower rpm and wont idle. i can keep it running with the revs up. with the choke on it runs perfect. got a 178 main and a 50 pilot, needle is on second clip from top. air screw is 1 turn out. running 97 pump gas with maxima 927 at 40:1. [/QUOTE]
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Everything Dirt Bike
Make / Model Specific
Yamaha
2009 yz250
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