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12_25803f21-b6c3-411e-a29a-0092c6ff6df8 - Northline Parts

125cc 4 Stroke Engine Motor ATV 3-Speed Semi Auto w/Reverse Electric Start New

Alligator_819_x_200_px - Northline Parts

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$377.99
Sale price  $377.99 Regular price 

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

125cc 4 Stroke Engine Motor ATV 3-Speed Semi Auto w/Reverse Electric Start New

Upgrade your off-road experience with this powerful and reliable 125cc 4-stroke engine motor. Engineered for performance, this premium aftermarket replacement features a 3-speed semi-automatic transmission with a dedicated reverse gear, providing excellent control and maneuverability for your ATV. The integrated electric start ensures quick ignition so you can get moving without the hassle of a pull-start.

Key Features & Benefits

  • High-performance 125cc 4-stroke single cylinder engine
  • 3-speed semi-automatic transmission for smooth shifting
  • Built-in reverse gear for enhanced navigation in tight spots
  • Convenient electric start system for effortless operation
  • Robust construction designed for durability in rugged conditions
  • Premium aftermarket quality for dependable power

Compatible Models

  • Compatible with a wide range of 125cc ATVs and Quad bikes
  • Suitable for many Chinese-brand off-road vehicles
  • Universal fit for models utilizing this engine configuration and mounting style

Product Specifications

  • Engine Type: 125cc, 4-Stroke, Air-Cooled
  • Transmission: 3-Speed Semi-Auto with Reverse
  • Ignition: Electric Start
  • Fuel Type: Gasoline
  • Configuration: Single Cylinder

Frequently Asked Questions

Is this an OEM part?
No, this is a high-quality aftermarket replacement part designed to meet or exceed the performance of the original equipment motor.

How do I confirm compatibility?
To ensure a proper fit, please compare the displacement, mounting bolt patterns, and electrical plug configurations of your current motor with the specifications of this unit before ordering.


Important: This item is an aftermarket replacement part sold by Northline Parts. It is not an OEM part unless specifically stated. Any brand names, model names, or part numbers are used for compatibility reference only. Please verify fitment by comparing your original part, product photos, and vehicle or equipment details before ordering.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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