Check the listing for details. 110CC 4 Stroke Engine Motor Kit Reverse Electric Start Semi Auto for Dirt Bike. Color: Black, Condition: New. Listed at 303.09 USD. Specification Engine Type: Single Cylinder, 4 Stroke, Horizontal, Two-stage Transmission Other Features: 3 Forward Gears and 1 Reverse Material: Aluminium, Cast Steel Engine Cooling Type: Air Cooling Ignition System: CDI (Not Included) Start Mode: Kick-starter; Electric Clutch Type: Manual Wet Multi-Disc Transmission: 4-speed, Semi-Auto Displacement: 125CC Minimum No-load Stable Speed: 1400 (1 ± 10%) R / min Compression Ratio: 8.7:1 Bore Stroke: 54*54mm/2.12*2.12inch Max Power: 5.8Kw/h Max Torque: 8.0N-m Max Rotating Speed: 7500rpm Horsepower: 7.64HP Air Inlet and Exhaust Valve Clearance: 0.05 ~ 0.07 mm (Cold State) Min Fuel Consumption: ≤367g/kW.h Spark Plug: A7TC Carburetor Type: PZ19 (Not Included) Min Stable Idle Speed: 1500r/min±150r/min Primary Reduction Rati.