Have a 02 blaster put a nauni piston in it excuse the spelling.....short story put 40 over on it fmf pipe and silencer its a flat track set up 14 tooth sprocket not much......anyway did the tors delete thought that was my problem new carb didn't fix it but got it to start one night tuning on it soooooo got tired of kicking and kicking finally checked compression its hitting right at 95??? What's that mean I knkw factory is higher and should I completely plug the engines exaust and and intake and check it again