What is a 47mm Big Bore Kit for GY6 50cc to 80cc scooters?

A 47mm Big Bore Kit is a performance upgrade designed for GY6 50cc to 80cc scooters, specifically compatible with the 139QMB engine. It includes a larger cylinder and piston which increases the engine's displacement, allowing for improved power and torque. This kit enhances the overall performance, making your scooter faster and more responsive, ideal for riders looking for better acceleration or hill-climbing capabilities.

How does installing a 47mm Big Bore Kit affect my scooter's performance?

Installing a 47mm Big Bore Kit significantly enhances your scooter's performance by increasing engine displacement. This results in higher power output and improved acceleration, making it suitable for both daily commuting and leisure rides. Riders may experience better handling and responsiveness during rides, especially in varied terrains, contributing to an overall improved riding experience.

Is a 47mm Big Bore Kit compatible with all GY6 scooters?

While the 47mm Big Bore Kit is specifically designed for GY6 50cc to 80cc scooters, compatibility may vary based on the model and its specific engine configuration. It's essential to check if your scooter uses the 139QMB engine before installation. Ensuring compatibility helps in achieving optimal performance and avoids potential operational issues post-installation.

What tools are needed to install a 47mm Big Bore Kit?

To install a 47mm Big Bore Kit, you'll typically need a set of basic hand tools including wrenches, screwdrivers, and a torque wrench. Additional tools like a gasket scraper and a ring compressor may also be helpful for a smooth installation process. Familiarity with the engine assembly is beneficial, and proper tools ensure a secure fit and functioning of the new components.

Will a 47mm Big Bore Kit require any tuning of my scooter?

Yes, after installing a 47mm Big Bore Kit, tuning of your scooter may be necessary to ensure optimal performance. This could involve adjusting the carburetor settings, replacing the air filter, or modifying the exhaust system. Proper tuning helps in achieving better fuel efficiency and enhanced power delivery, ensuring that your scooter runs smoothly without any issues.

Can I install the 47mm Big Bore Kit myself, or should I seek professional help?

If you have mechanical experience or knowledge of scooter maintenance, you may be able to install the 47mm Big Bore Kit yourself. However, for those unfamiliar with engine components, seeking professional help is advisable. Proper installation is crucial to avoid damage to the engine and to ensure that the performance enhancements are realized safely and effectively.

What are the benefits of using this Big Bore Kit over a stock engine?

Using a 47mm Big Bore Kit offers significant advantages over a stock engine, including increased horsepower, better acceleration, and enhanced torque. Riders often report an exhilarating improvement in performance, which is particularly beneficial for tackling steep hills or achieving faster top speeds. Additionally, enthusiasts appreciate the thrill of customization and the enhanced driving experience that comes with upgraded components.

Do I need to make any modifications to my scooter's frame to install the kit?

In most cases, installing a 47mm Big Bore Kit does not require modifications to the scooter's frame. However, it’s essential to ensure that the new cylinder fits correctly without obstruction. Checking for clearance around the engine and other components can prevent complications. Depending on other upgrades you plan to make, additional modifications might be necessary for optimal performance.

What kind of maintenance should I perform after installing the Big Bore Kit?

After installing the 47mm Big Bore Kit, it is important to keep up with regular maintenance to ensure longevity and performance. This includes periodic oil changes, checking and adjusting the carburetor, and inspecting spark plugs for optimal firing. Keeping the engine clean and addressing any performance issues promptly will help maintain your scooter’s performance and reliability after the upgrade.

How to Shop 47mm Big Bore Kit GY6 50cc to 80cc Scooter Moped 139 Online From Ubuy?

It’s easy to shop 47mm Big Bore Kit GY6 50cc to 80cc Scooter Moped 139 online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is 47mm Big Bore Kit GY6 50cc to 80cc Scooter Moped 139 Available to Shop Online in Equatorial Guinea?

Yes, at Ubuy Equatorial Guinea this product is available for you to shop at a reasonable price. The 47mm Big Bore Kit GY6 50cc to 80cc Scooter Moped 139 is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Maoyubelt

47mm Big Bore Kit GY6 50cc to 80cc Scooter Moped 139 QMB 139QMB Cylinder Piston Rings

Change the size of your engine, and feel the POWER.

Maoyubelt

Item #: 93995394

47mm Big Bore Kit GY6 50cc to 80cc Scooter Moped 139 QMB 139QMB Cylinder Piston Rings

Q: Where can I buy a 47mm Big Bore Kit GY6 50cc to 80cc Scooter Moped 139 QMB 139QMB Cylinder Piston Rings?

You can buy the 47mm Big Bore Kit GY6 50cc to 80cc Scooter Moped 139 QMB 139QMB Cylinder Piston Rings on Ubuy. Ubuy offers a wide selection of high-quality products, ensuring you'll find the right kit for your needs. Their platform provides a user-friendly experience and reliable service, making it easy to get the parts you need to enhance your scooter's performance.

90% of respondents would recommend this to a friend

Item #: 93995394

XAF 34963

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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Enhanced Engine Performance

Transforms a 50cc scooter into an 80cc powerhouse, significantly boosting acceleration and top speed for an exhilarating ride.

Complete Kit Convenience

Includes everything needed for installation, saving time and effort; ideal for DIY enthusiasts looking to upgrade their scooter.

High-Quality Components

Manufactured with durable materials, ensuring long-lasting reliability and optimal performance in various riding conditions.

Product Details

Package Weight

2.6 Pound

Product Technical Details

Manufacturer	‎Maoyubelt
Brand	‎Maoyubelt
Model	‎‎Cylinder GY6 80
Item Weight	‎1.76 pounds
Package Dimensions	‎6.49 x 5.7 x 4.7 inches
Item model number	‎‎Cylinder GY6 80
Exterior	‎Chrome
Manufacturer Part Number	‎‎Cylinder GY6 80

What's in the box

1x Cylinder Block + 1x Piston + 1x Complete Ring Set + 2x Cirq clips + 1x Piston Pin + 2x Head Gasket Set + 2x Valve Oil Seal

Who Should Buy?

Performance Enthusiasts
Ideal for users looking to enhance the speed and power of their scooters or mopeds significantly.
DIY Mechanics
Great for individuals skilled in small engine repairs who want to modify their scooters personally.
Upgraders
Perfect for users wanting to upgrade their GY6 50cc engine to increase displacement and overall performance.

Casual Riders
Not suitable for users who casually ride without seeking performance upgrades or modifications.

Product Description

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Customer Questions & Answers

Question: How to Shop 47mm Big Bore Kit GY6 50cc to 80cc Scooter Moped 139 Online From Ubuy?

Answer: It’s easy to shop 47mm Big Bore Kit GY6 50cc to 80cc Scooter Moped 139 online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is 47mm Big Bore Kit GY6 50cc to 80cc Scooter Moped 139 Available to Shop Online in Equatorial Guinea?

Answer: Yes, at Ubuy Equatorial Guinea this product is available for you to shop at a reasonable price. The 47mm Big Bore Kit GY6 50cc to 80cc Scooter Moped 139 is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Maoyubelt Rebuild Kits ‎‎Cylinder GY6 80 Editorial Review

47mm Big Bore Kit GY6 50cc to 80cc Scooter Moped 139 QMB 139QMB Cylinder Piston Rings offers an impressive enhancement for scooters, transforming a standard 49cc engine to an 80cc powerhouse. Reviewers highlight its significant torque increase, allowing for faster acceleration and improved hill-climbing capability, with some users noting it can easily carry two passengers even on steep inclines. Installation is straightforward, requiring only general technical knowledge, and many have found the included components to be of high quality. Although the kit does not come with instructions, detailed guides are readily available online, further aiding users in their upgrades. Overall, this kit provides a fantastic power boost without needing any engine casing modifications.

Customer Reviews & Ratings

4.8

16 customers ratings

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Pros

Increases power dramatically for better performance
Easy installation with readily available online guides
High-quality components included in the kit
Compatible with stock head, no machining needed
Great value for the performance gained

Cons

Lacks detailed installation instructions in the package

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.

XAF 34963

Order now and get it around Wednesday, October 14

QTY:

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Features & Benefits

Upgrade your scooter or moped with the Maoyubelt 47mm Big Bore Kit.
Increases your engine size from 50cc to 80cc for enhanced performance.
Includes all necessary components: cylinder block, piston, rings, and seals.
Experience greater power and torque for a more thrilling ride.
Compatible with various models and popular engine clones.
Transform your 50cc engine into a powerhouse with ease.

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47mm Big Bore Kit GY6 50cc to 80cc Scooter Moped 139 QMB 139QMB Cylinder Piston Rings