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- Engine /
- Rebuild Kits
Product 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
Displacement: 125CC
Horsepower: 7.64HP
Engine Type: Single Cylinder, 4 Stroke, Horizontal
Transmission: 4-speed, Manual Gear Shift
Engine Cooling Type: Air Cooling
Ignition System: CDI (Not Included)
Max Power: 5.8Kw/h
Max Torque: 8.0N-m
Max Rotating Speed: 7500rpm
Package Included
- 1*ATV Motor Engine
- 1*Gearshift Lever
- 1*Chain Cover
- 1*Intake Manifold
- 2*Intake Gaskets
- All Accessories for Assembly
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.
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.
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.
Gearshift Shaft
It can control the vehicle's speed to suit different usage scenarios.
Forged Crankshaft
It adopts a high-quality metal design to ensure high safety and stability during operation.
Shockproof Installation Hole
It is used to install shock absorbers to reduce vibration during driving, thereby improving its driving comfort.

Application
This product can be widely used in motorcycles, ATVs, go-karts, tricycles, etc, as long as the crankshaft matches.
Material | Aluminium, Cast Steel |
Start Mod | Electric |
Other Features | 3 Forward Gears and 1 Reverse |
Clutch Type | Manual Wet Multi-Disc |
1400 (1 ± 10%) R / min | 1400 (1 ± 10%) R / min |
Compression Ratio | 8.7:1 |
Bore Stroke | 54*54mm/2.12*2.12inch |
Inlet&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 Ratio | 3.722 |
Transmission Ratio | First Gear: 3.272; Second Gear: 1.938; Third Gear: 1.350; Fourth Gear: 1.043 |
Gasoline Type | ≥ 92 # |
Product Size | 45*30*25cm/17.71*11.81*9.84inch |
Notes
1. Professional installation is highly recommended.
2. Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before you order.
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