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kenley racing
07-04-2010, 09:25 PM
i need to get my yfz to run alil faster i do 300 and 500ft drags my 05 yfz is all stock just hmf slip on and k an n jets please help thanks

r660guy
07-05-2010, 04:01 PM
you could do a cam and piston. I am currently putting in a HotCam stage 2 in my raptor 660.

JOHNDOE83
07-05-2010, 04:17 PM
what are your times.....also you should try the 1/8th mile?

get rid of your shocks, go rigid, get better traction tires, and cut as much weight off as you can.

you dont want a 400ex to beat ya...lol.

Toadz400
07-05-2010, 09:59 PM
Cut as much weight as possible and start working on engine modifications. How much are you looking to spend and how deep into the engine are you planning on going? Join YFZCentral and do some searching there.