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KY250r
05-20-2007, 10:10 PM
whast the bore on a 265 cylinder? like .60 over or .65 over? n is it a 66.75mm?
C-LEIGH RACING
05-21-2007, 07:31 AM
Originally posted by KY250r
whast the bore on a 265 cylinder? like .60 over or .65 over? n is it a 66.75mm?


68.00mm, 261.48165ccs
68.50mm, 265.34110ccs long as it is under 266ccs
Neil
KY250r
05-21-2007, 10:48 AM
would i feel a difference goin to a 265 bore? its .60 now
C-LEIGH RACING
05-21-2007, 04:51 PM
Probably not, unless its getting a new port job.
Neil