?1). This bike engine kit includes all of the necessary items to turn your pedal bicycle into a motorized speed demon with easy to follow instructions and phone support if needed.
?2). 50mm bore single piece cylinder/head (increased weight capacity, lower operating temps, easier starting, sustained power output across varied rpm range).
?3). Upgraded Tunable High Performance Carburetor. Features: Choke lever on the handlebars, Main jet. (Can be re-jetted), Pilot jet, Throttle needle, Idle RPM Screw, Idle Air Screw and has an Internal choke circuit that delivers more fuel with the choke on, instead of restricting air. Great for cold weather starts!
?4). Offset Intake for additional clearance.50mm bore single piece cylinder, an upgraded CDI, Performance Speed Carburetor and more. High performance Speed carb, Silver anti-corrosion coating, High performance CDI with Yamaha components, Improved magneto, High end allen bolts, Improved gas cap.
?5). If you are not satisfied with this product or if you have any question, please feel free to contact us. We would like to issue full refund if finally we could not resolve your problem or you are not satisfied with the result. 1.Go to your amazon account and find the order. 2.Click the seller name and enter the store page. 3.Click "Ask a question".