I recently bought a CT70K4. I have the top end of the engine apart and the piston/cylinder don't look the best. I could probably get away with using them, but my thoughts were IF I'm going to repalce them, I might as well upgrade to the 88cc kit.
My question is, will I have to upgrade the carb and exhuast as well, or can I get away with stock? If I need to upgrade those as well, I might just end up sticking all stock.