- Home Page /
- Automotive /
- Motorcycle Parts /
- Parts /
- Engine /
- Rebuild Kits /
- 140cc Engine Motor Kit, 4-Stroke Racing Engin...
0 ratings
Item #:
225025224
140cc Engine Motor Kit, 4-Stroke Racing Engine, Dirt Pit Bike Engine Motor, 4 Speed Horizontal Single Cylinder Motor Engine CDI Kick Starter Manual
Item #:
225025224
SBD 3109
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Wednesday, September 23
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
The engine kit boasting a maximum power of 8kw and maximum torque of 9.5N.M delivers an impressive surge of strength and control to the vehicle.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Powerful Performance
Designed with a 140cc engine, this motor delivers impressive power and torque, ideal for beginners and seasoned riders alike looking for thrilling rides on dirt bikes.
Durable Build
Engineered for durability, the 4-stroke construction ensures long-lasting performance and reliability, making it a smart investment for outdoor enthusiasts and racers.
Versatile Compatibility
Compatible with popular models such as CRF50 and XR70, this engine kit provides flexibility for upgrades, enhancing the riding experience for a variety of dirt bikes.
Product Details
| Item Weight | 30 lbs (13.61 kg) |
Who Should Buy?
-
Beginner Riders
Ideal for beginners looking to upgrade their dirt bike for enhanced performance and reliability.
-
Racing Enthusiasts
Perfect for racing fans who want a performance upgrade for competitive racing on dirt tracks.
-
DIY Mechanics
Great for hobbyists who enjoy customizing and building their own dirt bike engines for personal use.
-
Casual Riders
Not suitable for those who ride casually on flat surfaces without the need for high-performance.
Product Description
140cc Engine Motor Kit, 4-Stroke Racing Engine, Dirt Pit Bike Engine Motor, 4 Speed Horizontal Single Cylinder Motor Engine CDI Kick Starter Manual Clutch for CRF50 CRF70 XR50 XR70 Z50 Z50R
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What motorcycle models is this engine compatible with?
Answer: It fits models such as HONDA CRF50, CRF70, XR50, XR70, Z50, among others. -
Question:
Is professional installation recommended?
Answer: Yes, we strongly recommend professional installation for optimal performance. -
Question:
What materials are used in this engine kit?
Answer: The engine kit is made from high-quality aluminium alloy and cast steel for durability.
Wmpusll Rebuild Kits Editorial Review
140cc Engine Motor Kit, 4-Stroke Racing Engine, Dirt Pit Bike Engine Motor, 4 Speed Horizontal Single Cylinder Motor Engine CDI Kick Starter Manual Clutch for CRF50 CRF70 XR50 XR70 Z50 Z50R is a robust option for those looking to enhance their dirt bike's performance. Weighing 30 lbs, this engine kit is designed to provide a thrilling racing experience with its efficient 4-stroke mechanics. It's compatible with various pit bike models, ensuring versatility and ease of installation. Riders appreciate its powerful single-cylinder design that delivers impressive torque, making it ideal for off-road adventures and racing. The kick starter adds to the authentic feel of riding a performance bike while being user-friendly for those who might be new to such engines.
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Lightweight design aids in better handling.
- Compatible with multiple dirt bike models.
- User-friendly kick starter mechanism.
- Powerful torque for thrilling rides.
- 4-speed transmission enhances performance.
Cons
- Installation may require some mechanical skill.
Platform Trust & Buyer Confidence
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
EK
Emmanuel
Verified buyer
“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
F
fnd
Verified buyer
“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
LC
Leana
Verified buyer
“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”
25 August 2026 · via Trustpilot
HL
Hengo
Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- 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.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
SBD 3109
Order now and get it around Wednesday, September 23
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.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Maximum power output of 8kw at 7500 RPM.
- Impressive torque of 9.5N.M at 5000 RPM.
- Made from high-quality aluminium alloy and cast steel.
- Includes essential accessories for easy installation.
- Compatible with a wide range of motorcycle models.
- Durable and reliable performance for long-term use.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.