YFZ 450 best mods

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May 21, 2009 | 02:29 PM

tjb 450

Thread Starter

Weekend Warrior

Joined: May 2009

Posts: 3

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From: Norfolk, NE

YFZ 450 best mods

i just got a 05 yfz 450 im only paying about 2 grand for it with a new jug, piston, timing chain, hes doing the cam mod, jetting it and putting an exhaust on it. Whats some other mods are the best for performance?

May 22, 2009 | 05:22 PM

tfunk22008

Range Rover

Joined: Mar 2009

Posts: 119

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port the head it will give you more air and will let loose a little more horsepower

May 22, 2009 | 10:37 PM

lt230sman

Pro Rider

Joined: Feb 2008

Posts: 1,111

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From: NJ

This isn't so much performance oriented, but make sure you get the high volume oil pump mod, 04-06 yfz's are known for oil starvation problems at higher rpm's.