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Yamaha MX & Off-Road Dirt Bikes
2004 YZ250F performance questions
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[QUOTE="ironworker, post: 827160, member: 51090"] if its a brand new bike why tear into it? get a FMF factory 4 with a power header, power now and throw a 50 tooth on the rear sprocket, if after that your not happy maybe you should have bought a 450 ;) as for the dyno's sorry I cant help. Rich [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
2004 YZ250F performance questions
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