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125CC 4-Stroke Semi Auto Engine Motor, 4 Speed ATV Quad Engine Motor Complete Kit, 125cc Engine for ATV Go Kart Mini Bike Black,Single Cylinder Air-Cooling Motor W/Reverse Electric Starter

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$179.99

$ 81 .99 $81.99

In Stock

About this item

  • 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
  • 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. The Engine Motor 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
  • Closed Design: The closed design effectively prevents dust, water, oil, etc. from entering the machine, while minimizing the need for daily maintenance as much as possible



Product Description

Semi Auto Engine Motor

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.

Semi Auto Engine Motor

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.

 Engine Motor

Closed Design

The closed design effectively prevents dust, water, oil, etc. from entering the machine, while minimizing the need for daily maintenance as much as possible.

 Engine Motor

Forged Crankshaft

It adopts a high-quality metal design to ensure high safety and stability during operation.

 Engine Motor

Gearshift Shaft

It can control the vehicle's speed to suit different usage scenarios.

 Engine Motor

Lubricating Oil Filter

It can help filter solid stains from lubricating oil, largely reducing wear and prolonging the engine service life.

 Engine Motor

Shockproof Installation Hole

It is used to install shock absorbers to reduce vibration during driving, thereby improving its driving comfort.

 Engine Motor

Clear Wires

The different wires have different colors, thus easily distinguishing and connecting them without confusion.

 Engine Motor

Easy to Install

Our ATV motor engine is pre-installed and you only need to spend a little time and effort to complete the remaining parts, enjoying a sense of achievement!

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.

Application

This product can be widely used in motorcycles, ATVs, go-karts, tricycles, etc, as long as the crankshaft matches.

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, Manual Gear Shift

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 Ratio: 3.722

Transmission Ratio of Each Gear: First Gear: 3.272; Second Gear: 1.938; Third Gear: 1.350; Fourth Gear: 1.043

Lubricant Capacity: 900ml/0.23 Gallons

Lubricant Type: SL10W/40 (Not Included)

Crankshaft Diameter: 1.5cm/0.59inch

Crankshaft Length: 0.4cm/0.15inch

Gasoline Type: ≥ 92 #

Gross Weight: 19.45kg/42.87lbs

Net Weight: 18.15kg/40.01lbs

Product Size: 45*30*25cm/17.71*11.81*9.84inch

Package Size: 51*39*33.5cm/20.07*15.35*13.18inch

Package Included

1*ATV Motor Engine

1*Gearshift Lever

1*Chain Cover

1*Intake Manifold

2*Intake Gaskets

All Accessories for Assembly

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.


Elizabeth W.
Reviewed in the United States on March 23, 2025
The second time to buy this engine, high efficiency, good quality, strong quality, fast delivery, is a good treasure store, very recommended to everyone
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