Fitment: For Dirt Pit Bike, ATV Quad, buggy. Features: -3 Forward 1 Reverse Gear -Engine Size: 125cc -Gear System: 3 Forward; Neutral; Reverse -Type: Horizontal, Single-cylinder, 4-stroke, Air-cooled -Start Method: Electrical Start -Bore X Stroke: 52.4×55.5mm, 119.7ml -Compression Ratio: 9.0:1 -Maximum Net Power/ Rpm: 5.8 Kw/7500r/min±375 R/min -Maximum Torque/ Rpm: 8.5 N.m/5000r/min±250 R/min -Idle Speed: 1500 R/min±100r/min -Front Sprocket: 420 - 17mm - 14t All machines do not carry oil Package Includes: -1×Engine Motor As Shown .