blk~2000~z28 Posted September 10, 2010 Share Posted September 10, 2010 Hello all, Just got a 1983 Yamaha XS400 last week. It took some TLC but it now goes down the road, however the front master cylinder assembly was not working and needs replaced. After searching I think this (Part #08-0255) at this site www.mikesxs.net will work. How do I determine what mm bore I have, to make sure? thanks, Greg Link to comment Share on other sites More sharing options...
Moderator drewpy Posted September 10, 2010 Moderator Share Posted September 10, 2010 the mm should be cast on the body 12mm methinks Link to comment Share on other sites More sharing options...
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