Cams for 400ex

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06-10-2004, 01:05 PM

RyEX

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Cams for 400ex

I've have no motor mods, except a pro circuit t-4 silencer stuff done to the air box and k&n air filter and rev eliminator, I was wondering if I got a XR 400 cam what other mods would I have to get?

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06-10-2004, 01:54 PM

cals400ex

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Cams for 400ex

it would be beneficial if you put a higher compression piston in. however, if you did a piston i would suggest a more aggressive cam than the xr cam.

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