11-15-2003, 08:13 PM
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CC Member
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Join Date: Dec 2002
Cobra Make, Engine: KMP
Posts: 790
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Not Ranked
I always wondered about compression braking beating you up too much with a big high comp motor and a light flywheel in a light car. I know that a light flywheel will allow it to rev freely, which is a good thing. Bu when you let off the gas, isn't it like tapping the brakes? That is that case with a high compression 4-stroke dirt bike with a light flywheel, e.g. a YZ 450F or a Cheney John Banks Replica (for the old schoolers). On a bike, it wears you out a bit getting thrown forward as soon as you let off the gas. A popular mod for the YZF is to add flywheel weights to allow the bike to carry a little momentum when you let off the throttle. It makes for a much smoother ride, but acceleration does not really suffer.
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Lew
I'm no expert. 
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