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View Full Version : Rebuilt 400ex



rooster_20
11-02-2007, 01:27 PM
Ok I just got my 400 rebuilt, bored to a 86mm piston and I was wondering what kind of hp im getting I know it wont be as much as a 440 but what do you all think? And was it worth the hastle of boring it that small...

TheNewn
01-18-2008, 07:40 AM
...You have to say what mods you have along with it...Whats the compression of the piston? Cams? Pipe? is your sig all that there is?