PowerMadd789XC
06-19-2007, 09:13 PM
hi, i was racin my 400ex in OHio this weekend , and my 400 ex which was a 440 broke my crank and my case got bused and crackd it a nice amount , so i was really wantin to know wat dirt bike engines that work well in the 400ex frame like 426 up ., and ones that arent too much trouble and things like that but id like to has somethign that is also reliable,i just really dont want to put another 400ex motor in it , and this is goin to be for XC , becuase im not impressed wiht the power now, but thanks and id appricieate it thanks. lata