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new bike jetting
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[QUOTE="rairden, post: 674970, member: 42933"] sjmaster, did you not see my reply up above. My bike settings are the EXACT same as yours w/ elevation and everything. My float is about 4.5mm high, which is low, and your right the manual for these YZ250's about the "float bowl adjustments" are vague and confusing. What you said is exactly in my manual. I couldn't understand it. That is a good question. What you said makes sense about the float bowl height. My PV overflow, after riding, leaks about 3 drops everytime. So I'm guessing I need to raise the float to the suggested height (5.5-7.5mm) I rode today and played w/ the air screw for the first time. I turned it all the way out (2 turns) and found that it just idled high. But it didn't sound lean. I felt like if I could keep turning it, it would idle even higher. So that means I need to lean out the pilot, right?. But that confuses me b/c around 1/8 throttle the bike sounds lean[putt, putt, putt(slappity noises, but not erratic gasps for gas)] That could be a rich sound. It is really hard to tell. It sounds like both. Am I making sense ? Sjmaster, the thing you said about the cool down process intrigues me. That could be the problem--maybe. Today I didn't foul a plug, b/c (I think) my bike had sit in the garage all week w/ no fuel in the tank and no fuel in the carb. I used fresh gas and it didn't idle high at initial start-up like it normally does. GEEZ this post is too long, sorry. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
new bike jetting
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