03 yz450 performance


1 reply to this topic
  • YZ450F4

Posted June 02, 2012 - 12:51 PM

#1

Hey guys i have an 03 yz450f and im looking for some more mods for performance gains. Its been jetted, has full pro circuit t4, and a fresh rebuild with a stock compression 12.5 piston, pro x valves, and a hot rods crank. What should my next mods be? cams or what? any input would be appreciated! thanks

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  • yamaduner

Posted June 19, 2012 - 07:05 PM

#2

I too have an 03' yz450f. Absolutely love it. The only add ons for performance I would reccomend would be a two stage intake filter...air fuel screw...and although not really a performance part would be a scotts steering damper to keep the power in check.

Edited by yamaduner, June 19, 2012 - 07:07 PM.






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