Daniel Hamilton Posted September 30, 2019 Everywhere online different I think it had a rebore there is one states 48mm with 0.5mm clearance is that what that means thanks a lot any help appreciated Share this post Link to post Share on other sites
ChampWazza Posted September 30, 2019 Year, etc would be nice ?? Appears you have a yz80, and 48.5mm is a 1.5mm oversize piston. Goo ogle Wiseco mate. 1 Share this post Link to post Share on other sites
Daniel Hamilton Posted September 30, 2019 10 minutes ago, ChampWazza said: Year, etc would be nice ?? Appears you have a yz80, and 48.5mm is a 1.5mm oversize piston. Goo ogle Wiseco mate. 2007 yz85 big wheel mate Share this post Link to post Share on other sites
ChampWazza Posted September 30, 2019 Wiseco/Fleabay/Amazoon etc.... Share this post Link to post Share on other sites
Daniel Hamilton Posted October 1, 2019 8 hours ago, ChampWazza said: Wiseco/Fleabay/Amazoon etc.... Im going to phone a local mechanic near me just to get him to check the size with my barrel before I go order one Share this post Link to post Share on other sites
jeffrey sisti Posted October 2, 2019 I just ordered a piston from Wiseco, my KTM uses a Vertex. It's the second time I've used Wiseco, and I will buy a third when the time comes. Share this post Link to post Share on other sites
