mxstar408 Posted March 28, 2010 hey everyone i have just toated my bottom end in my cr 250 and am looking to go to re-build everything and go with a big bore. What websites is everyone using to buy these kind of engine components?? Thanks! Share this post Link to post Share on other sites
jleonard Posted March 28, 2010 hey everyone i have just toated my bottom end in my cr 250 and am looking to go to re-build everything and go with a big bore. What websites is everyone using to buy these kind of engine components?? Thanks! bigborethumpers.com. Got my head from them and I among others here swear by them. Share this post Link to post Share on other sites