This motor doesn't want high performance upgrades to smoke nearly two-stroke all over. With its stock small profile head, speed carb, big bore exhaust, and 80cc crank setup, this engine gets the identical speed as sup'ed up 66cc's- if not more! We're performing one thing somewhat unique for the vacations. https://bike-engine-details73604.bloggactivo.com/34225684/trike-engines-an-overview