- Home Page /
- Automotive /
- Motorcycle & Powersports /
- Parts /
- Engine /
- Cylinder Heads /
- Big Bore Cylinder Kit, 61mm Bore #1 Fit Scoot...
0 ratings
Item #:
91427332
Big Bore Cylinder Kit, 61mm Bore #1 Fit Scooter ATV Quad With 150CC Gy6 Motors Kit With Camshaft & Cylinder Head Gaskets Cylinder Kit
Item #:
91427332
GBP 89
Price Details
Price
GBP 89
Excluding Shipping, VAT & Custom charges ( Shipping, VAT and custom charges will be calculated on checkout.
If Item price + shipping is below GBP 135, 20% VAT will be calculated on checkout, if it is equal or above GBP 135, no VAT will be charged. )
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Monday, August 10
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
Transform your scooter, ATV, or quad with our high-performance Big Bore Cylinder Kit for unbeatable power and efficiency.
Buy Now Pay Later
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
Increased Power
The 61mm bore enhances engine displacement, resulting in significant power gains, providing superior acceleration and overall performance for scooters, ATVs, and quads.
Complete Package
Includes camshaft and cylinder head gaskets, ensuring a comprehensive upgrade solution that simplifies installation and enhances engine function without additional purchases.
Perfect Fit
Specifically designed for 150CC GY6 motors, guaranteeing an optimal fit and compatibility, which minimizes installation hassle and maximizes performance efficiency.
Product Details
| Item Weight | 10 lbs (4.54 kg) |
Who Should Buy?
-
Performance Enthusiasts
Ideal for users seeking enhanced acceleration and speed for their 150CC Gy6 powered vehicles.
-
Repair or Upgrade
Perfect for mechanics or DIYers looking to repair or upgrade their scooter or ATV for better performance.
-
ATV and Scooter Users
Great for ATV and scooter owners wanting to increase their engine displacement for smoother rides.
-
Casual Riders
Not suitable for casual users who prefer standard performance without modifications or enhancements.
Product Description
Big Bore Cylinder Kit, 61mm Bore #1 Fit Scooter ATV Quad With 150CC Gy6 Motors Kit With Camshaft & Cylinder Head Gaskets Cylinder Kit
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the purpose of the Big Bore Cylinder Kit?
Answer: The Big Bore Cylinder Kit is designed to enhance the performance of 150CC GY6 motors commonly found in scooters, ATVs, and quads. By increasing the bore size to 61mm, this kit allows for improved airflow and combustion efficiency, resulting in better acceleration and overall power output. This is particularly beneficial for enthusiasts looking to upgrade their vehicles for off-road adventures or enhanced street performance. -
Question:
What components are included in the cylinder kit?
Answer: The cylinder kit includes a 61mm bore cylinder, a camshaft, and cylinder head gaskets. Each component plays a crucial role: the cylinder allows for increased displacement, the camshaft optimizes valve timing for better performance, and the gaskets ensure a tight seal to prevent leaks. This comprehensive kit is designed for easy integration into your existing engine setup. -
Question:
Is this kit compatible with all 150CC GY6 motors?
Answer: Yes, the Big Bore Cylinder Kit is specifically engineered to fit GY6 motors with a 150CC displacement. However, compatibility may depend on the specific motor variant, so it's advisable to verify the engine specifications before installation. Ensuring proper fit will help maximize performance and minimize any potential issues during usage. -
Question:
What improvements can I expect after installation?
Answer: After installing the Big Bore Cylinder Kit, users can expect noticeable improvements in their vehicle's acceleration, top speed, and overall engine responsiveness. The upgraded bore size enhances fuel-air mixture flow, which not only boosts horsepower but also contributes to a more exhilarating riding experience, especially in performance-demanding scenarios like steep inclines or quick urban maneuvers. -
Question:
Do I need any additional parts for installation?
Answer: While the Big Bore Cylinder Kit comes with essential components like the cylinder and camshaft, you may need additional parts such as a performance carburetor or exhaust system to fully utilize its potential. Some users also opt to upgrade their air filters for improved airflow. Ensuring all support components are compatible will help in achieving peak performance and longevity post-installation. -
Question:
How does the installation process work?
Answer: Installation typically involves removing the existing cylinder and camshaft, replacing them with the new components from the kit, and reassembling the engine. It's recommended to follow a detailed guide or consult a professional mechanic, especially for those unfamiliar with engine mechanics. Proper installation is vital to ensure optimal performance and avoid any complications post-upgrade. -
Question:
Can I install the kit myself, or do I need professional help?
Answer: While the installation can be managed by DIY enthusiasts with basic mechanical skills, professional help is recommended for those unfamiliar with engine modifications. A experienced technician can ensure precise installation and help troubleshoot any issues, ensuring the kit functions at its best. This approach minimizes the risk of potential damage that may occur during self-installation. -
Question:
What maintenance is required after installation?
Answer: After installing the Big Bore Cylinder Kit, regular maintenance is essential to keep your engine running smoothly. This includes routine oil changes, checking for leaks in the gasket areas, and monitoring performance metrics like engine temperature and exhaust color. Proper maintenance not only extends the life of the kit but also ensures optimal performance during your rides. -
Question:
How does the performance compare with stock components?
Answer: The Big Bore Cylinder Kit significantly outperforms stock components by increasing engine displacement and improving airflow, leading to higher horsepower and torque output. Unlike stock configurations, this aftermarket upgrade provides a more aggressive throttle response and elevated speed capabilities, making it ideal for users who desire a performance boost for racing or recreational activities. -
Question:
Where can I buy the Big Bore Cylinder Kit in UK?
Answer: You can purchase the Big Bore Cylinder Kit at Ubuy, which offers a wide range of auto parts and performance kits tailored to enhance your vehicles. Ubuy provides extensive product information and customer support to assist you in making an informed purchase. Their platform ensures a smooth shopping experience for all your automotive needs.
DUYIWAA Cylinder Heads Editorial Review
No editorial reviews found
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
Platform Trust & Buyer Confidence
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
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.
GBP 89
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Monday, August 10
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
- Upgrade to a powerful 61mm bore cylinder kit.
- Compatible with multiple scooter and ATV models including Gy6 motors.
- Complete kit includes camshaft and necessary gaskets.
- Increases engine displacement to 170cc-180cc for better performance.
- Direct replacement design ensures easy installation.
- Professional installation recommended for optimal results.
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.