Product Detail Power: 49cc Single Cylinder Air-Cooled 2 Stroke Gasoline Engine Starting System: Pull Start. Instant Kill Switch Located On Handlebar Maximum Speed: Up to 35 mph* Colors: Silver, Blue, Red, Black, Yellow. (Black is out of stock until Nov. 20th) Tell us which one you want at checkout! We offer a 30 day free parts replacement warranty. . The "49cc Gas Scooter w/9 Upgrades, 5 Colors to Choose From!" is best product for you. We recommended 49cc Gas Scooter w/9 Upgrades, 5 Colors to Choose From!