YIYIBYUS
0 ratings
YIYIBYUS 125cc Engine Motor 4 Stroke Dirt Pit Bike Motorcycle Motor Complete Kit for HONDA CRF50 CRF70 XR50 XR70
genuine image
YIYIBYUS 125cc Engine Motor 4 Stroke Dirt Pit Bike Motorcycle Motor Complete Kit for HONDA CRF50 CRF70 XR50 XR70
A high performance engine, perfect for those comfortable with faster engines and have a desire to get up and go.
YIYIBYUS 125cc Engine Motor 4 Stroke Dirt Pit Bike Motorcycle Motor Complete Kit for HONDA CRF50 CRF70 XR50 XR70

YIYIBYUS 125cc Engine Motor 4 Stroke Dirt Pit Bike Motorcycle Motor Complete Kit for HONDA CRF50 CRF70 XR50 XR70

0 ratings Write a review
Out of stock
us Imported from USA store
Secured transactionsecured 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
  • fedex
  • dhl
A high performance engine, perfect for those comfortable with faster engines and have a desire to get up and go.
Search for similar products
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
american express payment
ptt group payment
turkiye-bankasi payment
garanti bbva payment
akbank payment
yapi kredi payment
denizbank payment
kuveyt turk payment
vakifbank payment
ziraat bankasi payment
teb payment
sekerbank payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Performance Engine
The 125cc 4-stroke engine delivers powerful performance for thrilling rides, ensuring reliability and efficient fuel usage, ideal for both beginners and experienced riders.
Compatibility Boost
Designed for various popular models like HONDA CRF50 and XR70, this engine enhances versatility, allowing for easy upgrades and replacements without extensive modifications.
Durable Design
Engineered for longevity, the CDI air-cooled system prevents overheating, extending lifespan and ensuring dependable operation in various riding conditions, delivering excellent value for money.

Product Details

Get the powerful YIYIBYUS 125cc Engine Motor Complete Kit for your HONDA CRF50 CRF70 XR50 XR70 Dirt Pit Bike Motorcycle. Shop now at Ubuy, a Turkey for quality products.
  • Type: Single cylinder, 4-stroke with air-cooled, and clutch operated by hand
  • Max Power: 6.5 kW/7500r/min±375r/min, Max Torque: 8.0 Nm/5000r/min±250r/min;Idle Speed: 1500r/min, Min Fuel Consumption: ≤370g/kw.h, Ignition System: CDI
  • High performance engine suitable for faster speeds; versatile applications for bicycles, models, and skateboards
  • Gear Ratio: 2.833/1.706/1.238/0.958, Compression Ratio: 9.0:1, Primary Reduction; Ratio: 3.722, Carburetor Type: PZ16J, Transmission: 4-speed, Manual clutch, 1-N-2-3-4; Start Mode: Kick-starter
  • Fits HONDA CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Minitrail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport / ST 90K2 / ST 90K1 / CS 90 / SL 90 / ZB 50
BrandYIYIBYUS
Manufacturer Part NumberAC-YCZYQ-1495
ManufacturerYIYIBYUS

Who Should Buy?

Suitable For
  • Beginner Riders

    Ideal for young and new riders looking to enhance their dirt biking skills in a safe, manageable way.

  • Honda Bike Owners

    Compatible with popular Honda models, offering an easy engine upgrade for performance enhancements.

  • Recreational Use

    Great option for casual riders wanting reliable performance for weekend adventures or light trail riding.

Not Suitable For
  • Professional Racers

    Not suitable for competitive environments where high-performance engines are required for racing.

Product Description

YIYIBYUS 125cc Engine Motor 4 Stroke Dirt Pit Bike Motorcycle Motor Complete Kit for HONDA CRF50 CRF70 XR50 XR70

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What type of fuel does this engine use?

    Answer: #92 gasoline
  • Question: What is the maximum power output of this engine?

    Answer: Max Power 6.5 kW/7500r/min±375r/min
  • Question: What applications can this engine be used for?

    Answer: It can be applied for bicycles, models, skateboards and more.

YIYIBYUS Replacement Auto Parts Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
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

  • Powerful 125cc engine
  • Easy to install
  • Reliable 4-stroke performance
  • Compatible with various models
  • Great fuel efficiency

Cons

  • Limited color options available.

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

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.

Currently unavailable.

We don't know when or if this item will be back in stock.

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Type: #92 gasoline
  • Power: Max Power 6.5 kW/7500r/min±375r/min, Max Torque 8.0 Nm/5000r/min±250r/min
  • Gear Ratio: 2.833/1.706/1.238/0.958
  • Wide range of applications, can be applied for bicycles, models, skateboards and more
  • Excellent quality, great bike engine motor accessories
  • Fits HONDA CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail and more

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.