R ron New member Oct 21, 2010 #1 I bought a larger (48mm) piston for my 2007 cr85 and took it to the engine shop to be bored. The engine man said the cylinder can not be bored, Why would they make a over size piston and it not be able to bore?
I bought a larger (48mm) piston for my 2007 cr85 and took it to the engine shop to be bored. The engine man said the cylinder can not be bored, Why would they make a over size piston and it not be able to bore?
