125cc Engine for ATV, 4 Stroke Engine for Go Kart, Motorcycle Engine with Motor, Mud Motor Kit for Bike, Small Engine Parts

Features

• Strong Power: This ATV motor engine boasts a robust 7.64HP horsepower, a displacement of 125cc, and a max rotating speed of 7500RPM, which provides you with strong power and ensures that your drive will be very smooth and powerful.
• Durable and Sturdy: The engine is equipped with premium aluminum and cast steel, ensuring superior performance and a longer lifespan and adapting to complex environments and conditions.
• Effective Cooling System: By adopting an air cooling system, the temperature of the engine can be quickly reduced, effectively preventing overheating and ensuring smooth and long-lasting driving.
• Adjustable Speed: Its 4-speed manual transmission provides you with high-precision gear shifting control, so it allows you to easily adapt to various changes. It makes your driving experience more exciting under different road conditions.
• Easy to Operate: The CDI ignition system (not included) leads to higher energy and ignition efficiency. So you can start the motor engine quickly and safely.

Description

SpecificationEngine Type: Single Cylinder, 4 Stroke, Horizontal, Two-stage TransmissionOther Features: 3 Forward Gears and 1 ReverseMaterial: Aluminium, Cast SteelIgnition System: CDI (Not Included)Transmission: 4-speed, Semi- AutoDisplacement: 125CCMinimum No-load Stable Speed: 1400 (1 ± 10%) R / minCompression Ratio: 8.7:1Bore Stroke: 5454mm/2.122.12inchMax 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: A7TCCarburetor 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/0.59inchCrankshaft Length: 0.4cm/0.15inchGasoline Type: ≥ 92 Gross Weight: 19.45kg/42.87lbsProduct Size: 453025cm/17.7111.819.84inch DetailsLubricating Oil Filter: It can help filter solid stains from lubricating oil, largely reducing wear and prolonging the engine service life.Gearshift Shaft: It can control the vehicle's speed to suit different usage scenariosShockproof Installation Hole: It is used to install shock absorbers to reduce vibration during driving, thereby improving its driving comfort.Forged Crankshaft: It adopts a high-quality metal design to ensure high safety and stability during operation Package Included1ATV Motor Engine1Gearshift Lever1Chain Cover1Intake Manifold2Intake GasketsAll Accessories for Assembly

Brand: Omosiroi

Model Name: 125cc engine kit

Material: Aluminium, Cast Steel

Manufacturer: China

Product Dimensions: ‎17.72 x 11.81 x 9.84 inches

Item Weight: ‎42.8 pounds

Manufacturer: ‎China

Item model number: ‎125cc engine

Date First Available: ‎October 27, 2025