I’m selling this Seeutek 80cc Bike Motor that is brand new in the box. I have a few of these motors, new and used, so if you’re looking for more than one kit - let me know. Below is more on this kit: - 80cc bicycle engine kit with speedometer.This bike engine kit fits most mens' 24" and larger bicycles which includes mountain, cruiser, chopper and road bikes with a V-frame and at least a 8.5" height clearance for the engine. - Larger frame size requires drilling into bike frame and use of the universal face plate. Large bikes (with larger frames/down tubes) may require the universal motor mount. - 80cc bike motor kit, Mode of engine: single cylinder, air-cooling, 2-stroke; model of chain:415; chain length:110 links, 55 inches. Driving ratio:18: 01,fuel type:No.90;lubrication oil: motorcycle synthetic 2 stroke oil. - Maximum Power: 2.2kW/600r/min; Rated Power: 1.5Kw/5000r/min; Horse power: 2.75 HP. Ignition type: CDI. Engine Type: Single cylinder, air-cooling, 2-stroke; Chain Model: 415 heavy duty chain; Chain Length: 110 links - Be assured the mixing ratio for fuel and oil:16:1 for break period (first 300 miles) / 20:1 after(18:1 is much better in summer because of the hot weather);air cylinder might take some time to adjust to the load. Thus to avoid possible complications for the motor, please limit the riding time to a maximum of 1 hour for the first few rides.