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flint250trx
11-14-2009, 03:29 PM
My buddy just bought a 2008 450r. It is 100% stock. Can you jump the timeing a few degrees for a preformance gain? Any other things you can do without droping a bunch of cash let me know guys.

thanks

Josh

BSTURDIVANT
11-14-2009, 05:27 PM
Cut the green wire, remove air box lid ,exhaust insert and rejet
to 165 main, 07 CRF needle (middle pos.) will gain about 4 hp!

flint250trx
11-14-2009, 10:29 PM
Just curious on what wire and what is his going to do for the bike.

Thanks again

smw450r
11-14-2009, 11:14 PM
it's the one that plugs into the blackbox under the hood and it will give you around 1k more of rev i never did it on my bike but i may do it just to check it out and see how much it helps, but when you get done tell us what you think

BSTURDIVANT
11-16-2009, 01:33 PM
Green wire on the far left plug on CDI as viewed from front of quad.

Scro
11-16-2009, 02:28 PM
You don't want to the retard or advance the cam, since it controls both the intake and exhaust valves. Do what Sturdivant mentioned and you should be good to go.