Going a different dirrection next year so selling my ported (gore) 300 cylinder and high compression heas (Sx) with a 40 smart carb with a q7 needle for 550 dollars AND your like stock cylinder. This set up is off a 2013 ktm 300xc with 30 hours. Am returning the bike to dirt so need a like cylinder in good condition. If interested email garrygfeller@gmail.com