Maintenance & Technical > KX450F / KX250F

Lighter fly wheel weight

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JEREMYZDEAD:
Would a lighter fly wheel weight make my 06 kx450f rev faster? Do they make such a thing?

hughes:
Provide just a little more information about what you?re looking for in power delivery. What mods have your already made to your bike? I have not rode the KX450F but from what I read it's a monster through out the power range.

JEREMYZDEAD:
I was thinking if I lighten the fly wheel it would rev faster. Like when they balance and polish the crank rods. Falicon. Or like the klx 110 and they drill holes in the flywheels.

JEREMYZDEAD:
+3 stroker, port and polished, valve job, inserts, copper valve seats and guides by L.A. Sleeve. Maybe 98mm bore.

dirtjunkie85:
It would make it rev a little bit faster but it would also make your power delivery less controllable and you would feel a difference in you grunt down low. but from the looks for mods that you have done already looks like your making a drag bike not an everyday track or trail rider.

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