February 8, 200916 yr You could bore it out to a 650. Cheaper than a new engine. http://www.yamahaclub.com/forums/index.php...amp;#entry78254
February 8, 200916 yr Moderator well that looks to me like a broken liner (correct me if i am wrong) so boring it out would not be an option, fitting a new liner maybe would, is the piston damaged?? on the other hand get a block ?? merv
February 8, 200916 yr Moderator Not up to speed on these ultra modern engines, but dont they have plated or coated bores? if so it could be a bit of plating that has gone awry, i suggest you find out if this is so and then take it from there. see this for example Here
_33963e.png)
_83bc35.png)
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.