i am just curious i am putting a 440 (12:5) in my 400ex and am woundering if it would run with or beat a 450. my bike already has quite a few motor mods done to it.
FHKracingZ
12-15-2005, 02:07 PM
depends what on the 450. My friends fully done 426ex couldnt keep up with a stock 450r.