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DEAL
11-04-2005, 08:06 AM
my buddy picked up a piston for his 400ex, 86mm .. how far do you have to bore the cyclinder out?
Colby@C&DRacing
11-04-2005, 08:38 AM
86 mm is a 406
DEAL
11-04-2005, 09:59 AM
so .40 over or whatever it is ... my 416 was .80 over so...
Colby@C&DRacing
11-05-2005, 01:05 PM
Yep it is .040 over