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125cc Engine Motor, 4 Stroke Semi-Auto ATV Engine Motor Kit with Reverse and 3 Forward Single Cylinder Air-Cooling Motor 125cc Engine Electrical Start for Go Kart Pit Dirt Bike ATV Buggy

4.8 (2) Write Review
Free shipping on orders over $29.99

$204.99

$ 85 .99 $85.99

In Stock

1.Color:110cc Auto Engine, Electric Start


  • 【Engine Parameters】 Engine Size: 125cc, Gear System: 3 Forward; Neutral; Reverse, Type: Horizontal, single-cylinder, 4-stroke, air-cooled
  • 【Wiring Tips】 Five wires (Plug): For gear indicator; 2. Yellow wire: For storage battery; 3. Pink (or Yellow) wire: For storage battery; 4. Black & Red wire: For signal trigger; 5. Green wire: For grounding; 6. Blue & White: For trigger coil.
  • 【Applicable models】125CC 4 stroke engine is suitable for Go kart, go kart parts, Quad, Dirt bike, ATV, Pit bike, Dirt bike, Buggy, Pocket rocket, etc.
  • 【Package Includes】This high performance 125cc Engine Motor comes with: Wiring+ carby+Airfilter+ Chain case + Gasket As you see in the picture.
  • 【Note】The installation is more complicated, and it is strongly recommended to invite professionals to install it.


Product Description

Description

125cc engine 4 stroke motor

Includes

  • Wiring
  • carby
  • Airfilter
  • Chain case
  • Gasket
Fits (For the reference):

125cc go kart engine is suitable for Go kart, Quad, Gy6, Dirt bike, ATV, Pit bike, Dirt bike, Buggy, Pocket rocket, off-road vehicle

Installation Manual Is NOT Included

Professional Installation Is Highly Recommended

Wiring Instructions

125cc dirt bike engine

Wiring

1. Five wires (Plug): For gear indicator

2. Yellow wire: For storage battery

3. Pink (or Yellow) wire: For storage battery

4. Black & Red wire: For signal trigger

5. Green wire: For grounding

6. Blue & White: For trigger coil

Detail

125cc engine 4 stroke motor

125cc go kart engine

atv engine with reverse

125cc pitbike engine

Specifications

Engine Size 125CC
Gear System 3 Forward; Neutral; Reverse
Type Semi-Auto, single-cylinder, 4-stroke
Start Method Electrical Start
Maximum net power/ rpm 5.8 kw/ 7500r/ min±375 r/ min
Maximum torque/ rpm 8.5 N.m/5000r/min±250 r/min
Idle speed 1500 r/min±100r/min
Front sprocket 428-14T
Ignition CDI
Bore x Stroke 52.4 × 55.5 mm, 119.7 mL
Oil capacity 900ml
Compression ratio 9.0: 1
Top Engine Mount 92mm
Bottom Engine Mount 82mm

john
2025-02-27 17:08:08
Well built
Rebekah Kim Dickson
2025-01-20 19:52:53
It runs great, plenty of power !
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