450r

I'm starting from scratch on an engine build. I'm trying to figure out if I could just buy a complete engine rebuild (wrench rabbit rebuild kit (with piston and seals for engine case)) for a 2012 crf450r and put it in a brand-new crankcase. Again, starting from scratch meaning buying everything...

Hey again! So I tore it all down. Now I'm not sure whats the problem. So far all that I found is the little rectangular reed valve was missing 1 out of 2 screws, and around that area down there is where I found the most of the shredded metal. also, I'm not sure if its a problem but the actual...