i have a 2001 300ex engine that i wanna sell. its bored .40 over with a pro x piston, 3-angle valve job, and a new cam. it will come with a FST oil cooler and the carb that is jetted..also have the stock pipe if wanted. also if u want the electronics and controls we can work something out. will trade for a different engine. 350x,400ex,250r..give me an offer