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Yamaha MX & Off-Road Dirt Bikes
Tuning Help: 1997 yz250 w/pro-circuit platinum pipe
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[QUOTE="yamasaki, post: 936488, member: 54723"] hi all, i have a 1997 yz250 with a pro-circuit platinum pipe and shorty silencer on it. i havent opened up the carb yet, so i dont know what jetting is in there, and i couldnt find any charts on pro-circuits site with recommendations either. the bike feels like its got no bottom end at all.. i have to clutch it alot and my confidence on the bike is really suffering and slowing me down, like when coming around a corner with a double right after it, i dont feel i pick up speed enough quickly, and i roll it.. my friend has a 98 rm250 and that thing just feels SOOOO much smoother than my engine.. it pulls no matter what RPM you're at. although the RM250 may really be a better motor, i have to think my bike just must be runnign like crap or something. I live in Ft. Lauderdale, FL, sea-level. any recommendations on jetting/things to check? i even put on a shorty silencer and it made a small difference, but i need more bottom end. my bike feels like i have either zero power, or in an instant i have too much power.. somethings not right. thanks in advance, edwin [/QUOTE]
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Yamaha MX & Off-Road Dirt Bikes
Tuning Help: 1997 yz250 w/pro-circuit platinum pipe
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