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Item #:
176527358
140CC 4 Stroke Engine Motor Kit, Horizontal Pit Bike Engine Single Cylinder Air Cooled Engine Motor with 4 Speed Manual Clutch CDI Suitable for CRF50
Item #:
176527358
GBP 280
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
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Order now and get it around Monday, August 24
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This 140cc pit bike engine kit delivers powerful performance and easy installation for your ride!
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What Stands Out
Powerful Performance
The 140CC engine delivers robust power and torque, enhancing your bike's performance for smooth acceleration and hill climbing, making it perfect for off-road adventures.
User-Friendly Design
The 4-speed manual clutch offers intuitive control for riders of all skill levels, allowing for effortless shifting and better handling in various terrains.
Versatile Compatibility
Designed to fit multiple pit bike models like CRF50 and XR70, this engine kit allows for easy upgrades, enhancing the longevity and versatility of your bike.
Product Details
| Item Weight | 20 lbs (9.07 kg) |
Who Should Buy?
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Beginner Riders
Ideal for new riders seeking a reliable engine for learning basic dirt bike riding skills.
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Pit Bike Enthusiasts
Perfect for those involved in pit biking who want an upgrade to enhance performance and reliability.
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DIY Projects
Great for hobbyists wanting to build or repair pit bikes with an efficient engine that meets various specifications.
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Professional Racers
Lacks the high-performance specs needed for competitive racing in professional dirt bike events.
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Heavy Riders
Not suitable for heavier riders who may require more power and torque for effective performance.
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Older Models
Incompatible with older bike models requiring extensive modifications for this engine to fit properly.
Product Description
140CC 4 Stroke Engine Motor Kit, Horizontal Pit Bike Engine Single Cylinder Air Cooled Engine Motor with 4 Speed Manual Clutch CDI Suitable for CRF50 CRF70 XR50 XR70 Z50 CT70 Pit Dirt Bike
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the power output of the 140CC 4 Stroke Engine Motor Kit?
Answer: The 140CC 4 Stroke Engine Motor Kit provides robust power output that is ideal for various pit bike applications. This engine is designed to deliver a strong performance, ensuring that your bike runs smoothly during races or recreational rides. The inclusion of a single cylinder design promotes better fuel efficiency and torque delivery, making it suitable for a variety of terrains and riding conditions. -
Question:
Is the engine suitable for beginners?
Answer: Yes, the 140CC 4 Stroke Engine Motor Kit is great for beginners as it offers a manageable power output while still being capable of impressive performance. Its 4-speed manual clutch allows riders to gradually learn and control their speed effectively. New rider scenarios, such as practicing in open areas or track settings, can benefit significantly from this engine’s user-friendly design. -
Question:
Can I install this engine on other bike models or is it only for the CRF50?
Answer: While the 140CC 4 Stroke Engine Motor Kit is specifically designed for the CRF50, it can be adapted for other bike models with similar frame specifications and modifications. The engine's versatility allows for compatibility with various small pit bikes, but ensure to check the fitting requirements and make any necessary adjustments during installation for optimal performance. -
Question:
What are the maintenance requirements for the 140CC engine?
Answer: Regular maintenance is essential for ensuring the longevity of the 140CC engine. It's recommended to check the oil level frequently, replace the oil as needed, and inspect the air filter regularly. Maintaining the engine not only enhances performance but also ensures safety during rides. Following a consistent maintenance schedule can help avoid larger issues and keep the engine running at its best. -
Question:
What makes the 4-speed manual clutch advantageous?
Answer: The 4-speed manual clutch in the 140CC engine allows riders to have more control over their speed and acceleration. This feature is particularly beneficial in competitive riding or navigating challenging terrains, where precise gear shifting can enhance performance. For example, when racing in varied environments, the ability to switch gears efficiently can provide a substantial advantage over less equipped bikes. -
Question:
Does the engine come with all necessary installation hardware?
Answer: Yes, the 140CC 4 Stroke Engine Motor Kit includes most of the essential installation hardware needed for mounting on a compatible bike. However, it is advisable to check the specific hardware requirements of your bike model before installation. Familiarizing yourself with the installation process can save time and ensure a smoother setup for your new engine. -
Question:
What type of fuel does this engine require?
Answer: The 140CC engine operates efficiently on unleaded gasoline, typically with an octane rating of 87 or higher. Using the right fuel type ensures optimum performance and can help avoid unnecessary engine issues. It's advisable to refill with high-quality fuel to maintain the engine’s longevity and efficiency during rides. -
Question:
Can this engine be used for off-road riding?
Answer: Yes, the 140CC 4 Stroke Engine Motor Kit is well-suited for off-road riding due to its durable and robust design. This engine provides good torque and power, necessary for navigating uneven terrains and obstacles. Whether you're hitting dirt trails or track areas, this engine can handle the demands of more challenging environments effectively. -
Question:
What are the features of the CDI in this motor kit?
Answer: The CDI (Capacitor Discharge Ignition) in the 140CC engine kit ensures efficient ignition and enhances overall engine performance. This feature helps in providing a more stable power output and smoother throttle response. Riders can enjoy a consistent riding experience, with improved acceleration and engine reliability, making it an excellent choice for both leisure and competitive use. -
Question:
Where can I buy the 140CC 4 Stroke Engine Motor Kit?
Answer: You can purchase the 140CC 4 Stroke Engine Motor Kit from Ubuy. They offer a variety of options and convenient shopping experiences tailored for your needs in Jersey. Ubuy provides detailed product descriptions to assist you in making informed decisions for your pit bike engine requirements.
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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GBP 280
Order now and get it around Monday, August 24
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- High-quality aluminum alloy and cast steel construction for durability.
- Maximum power of 8 kw and torque of 9.5 nm ensures strong performance.
- Designed for easy installation with all necessary accessories included.
- Compatible with various models including Honda CRF50, XR50, and more.
- Complete package includes engine, kick starter, shift lever, carburetor, and CDI.
- Perfect upgrade for enhancing your dirt bike experience on the road!
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