Check the listing for details. 2 Stroke 50cc 49cc Engine Motor Kit Gear Box Pull Start ATV Pocket Bike Scooter. Condition: New. Listed at 154.45 USD. Specifications: 49cc single cylinder, air-cooled, 2-stroke Fuel: 25:1 gasoline / engine oil mix Piston Diameter:44MM Top Mounting Brackets: 11cm Bottom Mounting Brackets: 10.3cm Top Through Hole Diameter M.B.: 0.161" Bottom Through Hole Diameter M.B.: 0.245" Exhaust Diameter: 0.589" Connector: 2 Pin White Cord: 75cm Length: 26cm Width: 23cm Height: 20cm Clutch Mounting Hole Distance: 7.3cm Clutch Mounting Hole Diameter: 0.289" Clutch Pad: 2 Shoe Carburetor Hole Diameter: 0.213" Pull Start Mounting Hole Distance: 7.3cm Weight: 4.5KG Fit: Majority of gas scooters, pocket bikes, and mini choppers MINI QUAD / ATV Brand New 2 Stroke Pull start engine single cylinder, air cool Suits Chinese petrol scooters and choppers Might also fit for some pocket bikes, quad bikes and dirt bikes. Only TWO mounting holes at the bottom, distance between is 10cm. Please make sure it is fit on your bike before purchased. inkfrog terapeak