Suggested Retail:$140.99. Seeutek 80cc Bicycle Engine Kit 26'' 28'' Bike Bicycle Motorized 2 Stroke Cycle Petrol Gas Motor Engine Kit Upgrade with Speedometer. 80cc bicycle engine kit with speedometer.This bike engine kit fits most men's 24'' and larger bicycles which includes mountain,cruiser,chopper and road bikes with a V-frame, at least a 8.5'' height clearance for the engine. Large bikes (larger frames/down tubes) may require the universal mount. Notes: Be assured the mixing ratio for gas and oil:16:1 for break period (first 300 miles)/20:1 after to avoid motor lock up or piston seized. Please read attached instruction manual before installation. 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;lubrication oil: motorcycle synthetic 2 stroke oil. Notes: Fuel Type:Gas 93 and please use premium quality oils to prolong engine life. And add some lubricant into the air cylinder before starting. 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. Larger frame size requires drilling into bike frame and use of the universal face plate.Notes:If new carb leaking oil, take apart the bowl, bent down the claw a little down, leaking issues will be solved. And if no spark plug no spark, just remove the cap.. . 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.