125cc Engine 4 Stroke Semi-Auto ATV Engine Motor Kit 4-Speed Engine Motor Complete Replacement Kit with Air-Cooled & Carburetor Manual Clutch Motorcycle Engine for Motorcycles,Atvs,Go Karts

❀Description：If you are a driving enthusiast who loves freedom and pursues speed and passion, our 4-stroke ATV motor engine will be your ideal choice. Its excellent performance and stable power output make your driving more enjoyable and comfortable. Buying this 4-stroke ATV motor engine means choosing a high-quality, high-performance, and safe driving experience.❀Specification:Engine Type: Single Cylinder, 4 Stroke, Horizontal, Two-stage TransmissionOther Features: 3 Forward Gears and 1 ReverseMaterial: Aluminium, Cast SteelEngine Cooling Type: Air CoolingIgnition System: CDI (Not Included)Start Mode: Kick-starter; ElectricClutch Type: Manual Wet Multi-DiscTransmission: 4-speed, Semi-AutoDisplacement: 125CCMinimum No-load Stable Speed: 1400 (1 ± 10%) R / minCompression Ratio: 8.7:1Bore Stroke: 54×54mm/2.12×2.12inchMax Power: 5.8Kw/hMax Torque: 8.0N-mMax Rotating Speed: 7500rpmHorsepower: 7.64HPAir Inlet and Exhaust Valve Clearance: 0.05 ~ 0.07 mm (Cold State)Min Fuel Consumption: ≤367g/kW.hSpark Plug: A7TC Carburetor Type: PZ19 (Not Included)Min Stable Idle Speed: 1500r/min±150r/minPrimary Reduction Ratio: 3.722Transmission Ratio of Each Gear: First Gear: 3.272; Second Gear: 1.938; Third Gear: 1.350; Fourth Gear: 1.043Lubricant Capacity: 900ml/0.23 GallonsLubricant Type: SL10W/40 (Not Included)Crankshaft Diameter: 1.5cm/0.59inch Crankshaft Length: 0.4cm/0.15inch Gasoline Type: ≥ 92 # Gross Weight: 19.45kg/42.87lbsNet Weight: 18.15kg/40.01lbsProduct Size: 45×30×25cm/17.71×11.81×9.84inchPackage Size: 51×39×33.5cm/20.07×15.35×13.18inch ❀Package Content:1×ATV Motor Engine1×Gearshift Lever1×Chain Cover1×Intake Manifold2×Intake Gaskets

• 【Powerful】- This ATV engine has a powerful 7.64HP horsepower with a displacement of 125cc and a maximum speed of 7,500RPM, providing you with strong power to ensure a smooth and powerful ride
• 【RPM Adjustable】- The 4-speed manual transmission provides you with high-precision shift control, and the shift shaft can control the speed of the vehicle to adapt to different usage scenarios. This allows you to adapt to changes with ease
• 【Easy to Operate】- The CDI ignition system (not included) delivers more energy and ignition efficiency. The air-cooling system quickly reduces engine temperature, preventing overheating and ensuring a smooth ride for long periods of time
• 【Easy to Install】- Our four-stroke engine kits come pre-assembled, so you'll enjoy the feeling of accomplishment as you install the remaining components with minimal time and effort
• 【Strong and Durable】- The 4-stroke ATV engine is made of high quality aluminum and cast steel, and the lube oil filter helps to filter out solid dirt in the lube oil, greatly reducing wear and prolonging the life of the engine