Performance Modifications piston and rings .050 April 22, 2015 So I want to order up a bigger piston and rings for 2013 honda Forman 500. Guys at honda can get me bore .050 over. Do I need to bore out the cylinder? Or would it be like a high compression set up? Help please! Thank you! Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related