This motor doesn't need to have high performance upgrades to smoke nearly two-stroke all over. With its stock minimal profile head, speed carb, major bore exhaust, and 80cc crank set up, this engine receives precisely the same speed as sup'ed up 66cc's- if not more! Sign on today to receive https://bikeenginedetails70470.blogpixi.com/35211970/top-latest-five-go-kart-urban-news