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Blackyz450

who knows how to make these yz450f really fly I drag race one?/

7 posts in this topic

I was wondering if there is someone or a bussiness or company or who ever that knows how to make these yz450f fly I have the head ported and stage 2 hot cams which i did not see any change and not happy with... je 12:8 piston It should have picked up a lot but didn't I know because I drag race it .....dirt drags 500ft and times only changed a little and mph only went up about 3 or 4 mph should have been a lot more.. and the 3 or 4 mph gain was piston and port work then put the cams in and no change...

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4 mph is substantial

Since your time didn't change your just spinning your tire.

Drag racing is all about traction and reaction time if you have power.

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Look up Ron Hamp.  He's the guy who has more real 60+ hp 5 valve YZ450's out there than anyone.

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