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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
YZ250 8000+ RPMs at 1/4 Throttle (No Load)?
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[QUOTE="YZmidLife, post: 1401174, member: 73862"] [b]Oh Yamaha, why does my bike want to kill me?[/b] Anyone? Maybe I just don't know jack about 2 strokes. I know I shouldn't expect the power delivery to be linear, but I don't comprehend how I could get that many RPMs at 1/4 throttle. From what I have read, I should expect around 9000 RPMs max, but I would have expected that to occur somewhere around WOT. My butt dyno and the spinning back tire is telling me it is pulling that when I twist the grip about 20 degrees. :yikes: Since this bike was bought 3rd hand, it may have been screwed up to begin with. Is one of the jobs of my electricals (TPS, etc.) to retard the timing to better sync up the engine speed to the throttle position, or is it just to adjust timing to get the [U]most[/U] power at a given throttle position? [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
YZ250 8000+ RPMs at 1/4 Throttle (No Load)?
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