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. 0.161 Bottom Through Hole Diameter M. 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.1x T8F chain (116 links). 1x Rear chain Sprocket (54T 26mm). This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Complete Engines". The seller is "tdpro99" and is located in this country: US. This item can be shipped worldwide.