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140cc Engine 4 Stroke Single Cylinder Horizontal Engine 4-Speed Manual Clutch Motor Kit with Kick-Starter 140cc Pit Dirt Bike Engine Fit for Honda CRF50 / CRF70 / XR50
140cc Engine 4 Stroke Single Cylinder Horizontal Engine 4-Speed Manual Clutch Motor Kit with Kick-Starter 140cc Pit Dirt Bike Engine Fit for Honda CRF50 / CRF70 / XR50
140cc Engine 4 Stroke Single Cylinder Horizontal Engine 4-Speed Manual Clutch Motor Kit with Kick-Starter 140cc Pit Dirt Bike Engine Fit for Honda CRF50 / CRF70 / XR50
140cc Engine 4 Stroke Single Cylinder Horizontal Engine 4-Speed Manual Clutch Motor Kit with Kick-Starter 140cc Pit Dirt Bike Engine Fit for Honda CRF50 / CRF70 / XR50
140cc Engine 4 Stroke Single Cylinder Horizontal Engine 4-Speed Manual Clutch Motor Kit with Kick-Starter 140cc Pit Dirt Bike Engine Fit for Honda CRF50 / CRF70 / XR50
140cc Engine 4 Stroke Single Cylinder Horizontal Engine 4-Speed Manual Clutch Motor Kit with Kick-Starter 140cc Pit Dirt Bike Engine Fit for Honda CRF50 / CRF70 / XR50
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140cc Engine 4 Stroke Single Cylinder Horizontal Engine 4-Speed Manual Clutch Motor Kit with Kick-Starter 140cc Pit Dirt Bike Engine Fit for Honda CRF50 / CRF70 / XR50
140cc Engine 4 Stroke Single Cylinder Horizontal Engine 4-Speed Manual Clutch Motor Kit with Kick-Starter 140cc Pit Dirt Bike Engine Fit for Honda CRF50 / CRF70 / XR50
140cc Engine 4 Stroke Single Cylinder Horizontal Engine 4-Speed Manual Clutch Motor Kit with Kick-Starter 140cc Pit Dirt Bike Engine Fit for Honda CRF50 / CRF70 / XR50
140cc Engine 4 Stroke Single Cylinder Horizontal Engine 4-Speed Manual Clutch Motor Kit with Kick-Starter 140cc Pit Dirt Bike Engine Fit for Honda CRF50 / CRF70 / XR50
140cc Engine 4 Stroke Single Cylinder Horizontal Engine 4-Speed Manual Clutch Motor Kit with Kick-Starter 140cc Pit Dirt Bike Engine Fit for Honda CRF50 / CRF70 / XR50
140cc Engine 4 Stroke Single Cylinder Horizontal Engine 4-Speed Manual Clutch Motor Kit with Kick-Starter 140cc Pit Dirt Bike Engine Fit for Honda CRF50 / CRF70 / XR50
140cc Engine 4 Stroke Single Cylinder Horizontal Engine 4-Speed Manual Clutch Motor Kit with Kick-Starter 140cc Pit Dirt Bike Engine Fit for Honda CRF50 / CRF70 / XR50
Deliver an impressive surge of strength and control to your vehicle with our 140cc 4 Stroke Engine Motor Kit.
140cc Engine 4 Stroke Single Cylinder Horizontal Engine 4-Speed Manual Clutch Motor Kit with Kick-Starter 140cc Pit Dirt Bike Engine Fit for Honda CRF50 / CRF70 / XR50
Item #: 90609910

140cc Engine 4 Stroke Single Cylinder Horizontal Engine 4-Speed Manual Clutch Motor Kit with Kick-Starter 140cc Pit Dirt Bike Engine Fit for Honda

86% of respondents would recommend this to a friend

Item #: 90609910

LSL 8764

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Deliver an impressive surge of strength and control to your vehicle with our 140cc 4 Stroke Engine Motor Kit.
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What Stands Out

High Performance
The 140cc engine provides significant power and torque, enhancing the dirt bike's performance. Ideal for both novices and experienced riders seeking an exhilarating ride across various terrains.
Easy Installation
Designed for compatibility with popular Honda models, the motor kit allows for straightforward installation, making it perfect for DIY enthusiasts looking to upgrade their dirt bikes effortlessly.
Durable Design
Built with robust materials, this engine ensures longevity and reliability, providing riders with peace of mind and consistent performance in tough riding conditions.

Product Details

Shop 140cc Engine 4 Stroke Single Cylinder Horizontal Engine 4-Speed Manual Clutch Motor Kit with Kick-Starter 140cc Pit Dirt Bike Engine Fit for Honda CRF50 / CRF70 / XR50 online at a best price in Lesotho. B0CYZN77PF
Item Weight35 lbs (15.88 kg)

Product Technical Details

Manufacturer‎FOSHANSHICHANCHENGQUMAILANYUESHANGMAOHANG
Brand‎CUBELLIN
Model‎140cc pit bike engine
Item model number‎140CC Engine
Exterior‎Polished
Manufacturer Part Number‎Manual Clutch Engine Motor

What's in the box

1x140CC Pit Bike Engine

Who Should Buy?

Suitable For
  • Beginner Riders

    Ideal for novice riders seeking a manageable and user-friendly engine for dirt biking adventures.

  • DIY Enthusiasts

    Perfect for those interested in building or upgrading their own pit bikes with a reliable motor.

  • Honda Fitment

    Explicitly designed to fit Honda models like CRF50 and XR50, ensuring compatibility and performance.

Not Suitable For
  • Experienced Riders

    Advanced riders may find this engine underpowered for more challenging terrains and performance needs.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the key features of the 140CC 4 Stroke Engine Motor Kit?

    Answer: The 140CC 4 Stroke Engine Motor Kit is designed for intense performance in pit and dirt bikes. Key features include a single-cylinder configuration, a 4-speed transmission, and a manual clutch system for enhanced control. This engine is equipped with a CDI ignition system ensuring reliable start-up and efficient fuel combustion. Its robust design is compatible with popular models like the Honda CRF50, CRF70, and XR50, making it a versatile choice for those seeking to upgrade their dirt bikes.
  • Question: Is this engine compatible with Honda CRF50, CRF70, and XR50 models?

    Answer: Yes, this engine is specifically designed to fit Honda CRF50, CRF70, and XR50 models. The manufacturing specifications take into account the structural alignments and mounting points of these bikes, ensuring a hassle-free installation. Engine upgrades like this can greatly enhance performance, providing better acceleration and speed for an exciting riding experience, especially beneficial for young riders learning to control faster bikes.
  • Question: What performance advantages does a 4-stroke engine provide?

    Answer: A 4-stroke engine like the one in this kit offers smoother operation and enhanced fuel efficiency compared to 2-stroke engines. The 4-stroke system reduces emissions and requires less frequent oil changes, resulting in lower maintenance costs over time. Riders will experience refined power delivery and improved torque, which is particularly advantageous in varied terrains, making this engine ideal for off-road adventures.
  • Question: Can I install this engine myself, or do I need professional help?

    Answer: While this engine kit is designed with user-friendly installation in mind, some mechanical knowledge and tools are recommended for optimal results. If you are comfortable working with motorcycle mechanics, you can install it yourself by following the included installation guide. However, if you prefer a professional touch or are unfamiliar with engine installation, seeking help from a qualified mechanic can ensure proper fitting and optimal performance.
  • Question: What maintenance does the 140CC engine require?

    Answer: Regular maintenance for the 140CC engine includes checking oil levels, changing oil at recommended intervals, and ensuring that the air filter is clean. Additionally, keeping an eye on the spark plug condition and periodically inspecting the fuel system will prolong engine life. Routine checks can enhance performance and prevent breakdowns, making it suitable for both casual riders and competitive use on the track.
  • Question: What is the weight of the 140CC engine motor kit?

    Answer: The 140CC engine motor kit typically weighs around 22 to 28 pounds, depending on additional components like the kick-starter included in the kit. Such a weight range is manageable for most dirt bikes, offering a good balance between power delivery and bike control. This weight helps maintain the agile handling that riders expect from pit bikes, making it an ideal choice for both youth and adult riders.
  • Question: Does this engine kit come with a warranty?

    Answer: While specifics may differ based on the retailer's policies, this engine kit usually comes with certain assurances about its quality and performance. For further details regarding coverage and terms, it’s recommended to consult the retailer or manufacturer directly. Understanding warranty stipulations can help buyers feel more confident in their purchase and investment in their sport.
  • Question: How does the kick-starter work on this engine?

    Answer: The kick-starter on the 140CC engine operates through a lever that engages the crankshaft, providing the necessary force to start the engine manually. This feature is especially handy when electronic start systems fail or in situations where minimal weight is preferred. Riders can enjoy the simplicity and reliability of mechanical starting, which is a favored option in off-road conditions or for riders who appreciate classic engine features.
  • Question: Where can I buy the 140CC 4 Stroke Engine Motor Kit in Lesotho?

    Answer: You can purchase the 140CC 4 Stroke Engine Motor Kit from Ubuy, which offers a vast selection of automotive products, including the latest engine kits available for pit and dirt bikes. Ubuy provides convenient access to comprehensive product descriptions, customer reviews, and support, ensuring you have all the information you need to make an informed purchase.
  • Question: What type of fuel should I use with this engine?

    Answer: The 140CC engine is designed to run on regular unleaded gasoline with an octane rating of 87 or higher. It is recommended not to use any fuel mixed with oil, as this is a 4-stroke engine that already has a dedicated lubrication system. Using the correct fuel type allows optimal combustion and engine efficiency, which is crucial for performance, especially during long rides on rough terrains.

CUBELLIN Rebuild Kits ‎140CC Engine Editorial Review

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Pros

  • Powerful and efficient engine
  • Easy installation process
  • Smooth performance and handling
  • Durable construction
  • Compatible with multiple bike models

Cons

  • Kick-starter may require adjustment.

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8 September 2026 · via Trustpilot
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LSL 8764

Order now and get it around Friday, October 02

QTY:

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Features & Benefits

  • 140CC 4 Stroke Engine for powerful performance.
  • Built from high-quality aluminium alloy and cast steel.
  • CDI ignition system for improved reliability and cost-effectiveness.
  • Excellent heat dissipation to prevent engine burnout.
  • Easy installation with complete accessories.
  • Fits Honda CRF50, CRF70, and XR50 perfectly.

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