This motor doesn't need to have high performance upgrades to smoke nearly 2-stroke all over. With its stock minimal profile head, speed carb, large bore exhaust, and 80cc crank setup, this engine will get the exact same speed as sup'ed up 66cc's- if no more! Our cycling specialist editors and https://mini-bike-engines59247.qowap.com/94101917/an-unbiased-view-of-bike-engine-parts