Product Name: Bike Engine Kit 4 Stroke / 49cc Powerful Pull Start 4-Stroke Cycle Motor Kit Compete Gas Kit Motorized Bike Petrol Gas Bicycle Engine for V frame Bike Model NO.: 4 stroke Product Description Product descriptionSpecifications:Engine model: 142FEngine type: Air-cooled, 4-Stroke, OHV, single cylinderBore x Stroke: 41.8 x 36 mm (1.65 x 1.42 in)Displacement: 49 cm3 (2.99 cu in)Compression ratio: 8.0 : 1Net horse power output: 1.6KW (2.1HP) at 7,000 rpmNet torque: 2.7 NM (2.0 lbs ft) at 4,500 rpmPTO shaft rotation: Counterclockwise (from PTO shaft side)Ignition system: Transistorized magneto ignitionStarting system: Recoil starterCarburetor float typeLubrication system: Forced splashGovernor system: Centrifugal mechanicalAir cleaner semi-dry typeOil capacity(for luburati oil): 0.25L (0.26 US qt, 0.22 Imp qt)Fuel tank capacity: 0.77L (0.81 US qt)Dimensions (L x W x H): 225x 274x 353mm/8.9 ix10.8x13.9 inchPackage included:1x 49cc 4 stroke engine1x Gas tank,Plastic gasoline fuel line,fuel value1x Adjustable chain idler1x 44 tooth 9 hole sprocket1x Chain guard1x Extra wide crank/sprocket1x Fiber sprocket mounting rings,9 sprocket bolts,3 metal retaining segments1x Engine Mounting plate with universal mounting brackets1x Spark Plug Wrench1x Misc.mounting bolts with nuts1x Heavy duty #415 chain1x Twist grip throttle with built-in kill switch1x Adjustable throttle cable