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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Play bike big bore kits
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[QUOTE="ACS, post: 556163, member: 22784"] A big bore stroker will feel a bit "flat" no matter what cam you have. You will also find the limits in the head design that will most likely impact on performance before the rev limiter cuts in. That means you really need good porting. I personally like flywheel weight reductions but my bikes are built for junior MX. Trail riders / beginners prefer the softer delivery that you get from a heavy flywheel. The gear Powroll sells is very good for developing a strong mid range bike that will be reliable and bolts together easily. Their TTR cam and big bore is very nice. Full blown race stuff is technical to fit, really expensive as a lot of associated parts need to be upgraded and can be a bit of a grenade. I personally would upgrade the DRZ suspension first then look at big $$ in the motor. RM85 stuff fits easily. I did it the wrong way on the TTR!! Pics of what you can do to a CR/XR and a TTR are at http://acsracing.tripod.com [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Play bike big bore kits
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