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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
Mo' Better ride report...03 YZ250
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[QUOTE="SpectraSVT, post: 912755, member: 30250"] The powervalve was in a different position after the porting than what it was when it was sent out. I had assumed Eric or whoever does the porting changed it. It was almost hitting the piston when I sent it out. I will first get the jetting right down low before I pass judgement on the low end. The rest of the powerband is pretty fast and hard to control. Perhaps I should have researched it more. I just heard so much good stuff about the mo better that I didn't look into more than a few searches. I didn't read anything in those posts about the diff. between pump and race gas. I will post again after this weekend. If jetting is right and still no low end I may just get a gnarly pipe or PC2 pipe to move some of it lower. Like the ol' saying...you don't know what you got til its gone! [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
Mo' Better ride report...03 YZ250
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