WOOSTAR
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WOOSTAR 40mm Cylinder with Gaskets Piston Ring Kit Replacement for 2 Stroke Jog 50cc Minarelli 1E40QMB Engine Scooter
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WOOSTAR 40mm Cylinder with Gaskets Piston Ring Kit Replacement for 2 Stroke Jog 50cc Minarelli 1E40QMB Engine Scooter
High quality cylinder replacement part. Has a good heat dissipation structure design, providing reliable performance and long life service.
WOOSTAR 40mm Cylinder with Gaskets Piston Ring Kit Replacement for 2 Stroke Jog 50cc Minarelli 1E40QMB Engine Scooter
Item #: 38633490

WOOSTAR 40mm Cylinder with Gaskets Piston Ring Kit Replacement for 2 Stroke Jog 50cc Minarelli 1E40QMB Engine Scooter

Item #: 38633490

SLE 1621

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*All items will import from US

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Order now and get it around Friday, August 28
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High quality cylinder replacement part. Has a good heat dissipation structure design, providing reliable performance and long life service.
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What Stands Out

Precision Fit
Engineered for 49cc and 50cc 2-stroke engines, ensuring maximum compatibility and performance tailored specifically for Jog and Minarelli scooters, enhancing overall engine efficiency.
Durable Materials
Constructed from high-strength materials, this piston ring kit promises longevity and resistance against wear, giving users peace of mind and reducing the frequency of replacements.
Enhanced Performance
Designed to improve engine compression and power output, this ring kit elevates the driving experience, making it ideal for scooter enthusiasts seeking superior performance and reliability.

Product Details

Upgrade your 50cc Minarelli 1E40QMB Engine Scooter with a 40mm Big Bore Cylinder Kit. Enjoy improved performance and power. Shop now at Ubuy Sierra Leone.

Who Should Buy?

Suitable For
  • Scooter Enthusiasts

    Ideal for users who frequently maintain or upgrade their scooters, ensuring consistent performance and reliability.

  • Budget Conscious

    Perfect for individuals looking for affordable replacement options without compromising on quality for their 2-stroke engines.

  • DIY Mechanics

    Great for hobbyists who prefer to perform engine repairs themselves, enhancing their skills and knowledge about scooters.

Not Suitable For
  • High-Performance Riders

    Not suitable for those seeking upgraded performance parts for racing or high-performance modifications on their scooters.

Product Description

WOOSTAR 40mm Cylinder with Gaskets Piston Ring Kit Replacement for 2 Stroke Jog 50cc Minarelli 1E40QMB Engine Scooter

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is included in the WOOSTAR 40mm Piston Ring Kit?

    Answer: The WOOSTAR 40mm Piston Ring Kit includes two piston rings, a piston pin, and circlips. These components are essential for a proper seal within the engine, ensuring optimal compression and performance. By using high-quality materials, this kit enhances the reliability of your 49cc or 50cc vehicle, such as a PW50, Y-Zinger, or a dirt pit bike. When replacing these parts, you'll experience improved engine efficiency, making it perfect for casual riding or competitive use.
  • Question: Is the WOOSTAR 40mm Piston Ring Kit compatible with all 49cc and 50cc 2-stroke engines?

    Answer: While the WOOSTAR 40mm Piston Ring Kit is designed primarily for 1994-2015 models, it's important to confirm compatibility with your specific engine make and model. This kit is intended for common models like the PW50 and Y-Zinger, which are widely used in scooters and dirt bikes. Double-checking your engine specifications is crucial to ensure proper fitment and optimal performance, especially if you plan to use it for racing or off-road activities.
  • Question: How do I install the WOOSTAR 40mm Piston Ring Kit?

    Answer: Installing the WOOSTAR 40mm Piston Ring Kit requires some mechanical knowledge. Begin by removing the cylinder head and carefully taking out the old piston and rings. Once the old parts are removed, lubricate the new rings and install them along with the piston into the cylinder. Ensure proper alignment and secure the piston pin and circlips. Having the right tools and following a service manual is advised to prevent mistakes during installation, resulting in a smoothly running engine.
  • Question: What are the signs that I need to replace my piston ring?

    Answer: Signs indicating a need for piston ring replacement include reduced engine power, excessive exhaust smoke, and increased fuel consumption. If your engine struggles to maintain speed or shows poor acceleration, it may point to worn rings. Additionally, if you notice oil leaks around the combustion chamber, it can also indicate ring wear. Addressing these issues promptly with the WOOSTAR 40mm Piston Ring Kit can restore your engine’s performance, ensuring a more enjoyable riding experience.
  • Question: Can I use the WOOSTAR piston ring kit for racing purposes?

    Answer: Yes, the WOOSTAR 40mm Piston Ring Kit is suitable for racing purposes, especially in competitive environments involving 49cc and 50cc 2-stroke engines. The kit's high-quality construction ensures durability under intense conditions, making it a preferred choice among racers. Whether you race go-karts, dirt bikes, or scooters, maintaining the engine’s performance with reliable parts will contribute significantly to your success on the track.
  • Question: What maintenance should I perform after installing the piston ring kit?

    Answer: After installing the WOOSTAR 40mm Piston Ring Kit, it's essential to perform regular maintenance checks. Keep an eye on oil levels and change the oil as needed to ensure the engine runs smoothly. Monitoring the engine's performance and listening for unusual noises can help identify any emerging issues early on. Regular cleanings and timely adjustments can prolong the life of your engine, resulting in a better overall driving experience.
  • Question: Can I use the WOOSTAR piston ring kit on a moped?

    Answer: Absolutely! The WOOSTAR 40mm Piston Ring Kit is an excellent option for mopeds, particularly those with 49cc and 50cc 2-stroke engines. Models like the Jog are compatible and can benefit from the enhanced performance that new piston rings provide. By replacing old or worn rings, your moped will gain better acceleration and efficiency, enabling a more enjoyable commuting or leisure riding experience.
  • Question: What materials are used in the WOOSTAR piston ring kit?

    Answer: The WOOSTAR 40mm Piston Ring Kit is crafted from high-quality metal alloys designed to withstand high temperatures and pressures within the engine. These materials ensure a reliable seal and reduce friction, thereby contributing to improved performance and longevity of your engine. The robust construction makes this kit ideal for off-road and on-road applications, ensuring that your machine operates at its best even under demanding conditions.
  • Question: Where can I buy WOOSTAR 40mm Piston Ring Kit Replacement?

    Answer: You can conveniently purchase the WOOSTAR 40mm Piston Ring Kit Replacement for your 2 Stroke 49cc, 50cc models from Ubuy in Sierra Leone. Ubuy offers a platform where you can find authentic products and brands, ensuring quality and reliability. By shopping at Ubuy, you can also explore additional options for related accessories to enhance your riding experience, making it a comprehensive resource for your needs.
  • Question: What is the expected lifespan of piston rings?

    Answer: The lifespan of piston rings can vary based on usage, maintenance, and engine condition. On average, you may expect piston rings to last several hundred to a few thousand miles before requiring replacement. Factors such as riding style, environment, and the quality of the fuel can significantly impact their durability. Regular maintenance and timely replacements with kits like the WOOSTAR 40mm ensure sustained engine health, resulting in a more reliable driving experience.

WOOSTAR Rebuild Kits Editorial Review

The WOOSTAR 40mm Big Bore Cylinder with Gaskets Piston Ring Kit Replacement seems to be a mixed bag. One user was able to put it in their buddy 50cc without any issues and experienced 120 psi compression. However, another user had a terrible experience with it. The product arrived in poor packaging and the cylinder head was unusable due to it riding on the cylinder and chewing up the gasket surface. They also noticed that the rings weren't square and had a rounded profile on the cylinder-side. Overall, this product appears to be poorly made and badly packaged.

Customer Reviews & Ratings

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Cons

  • Poorly made with rounded rings and unusable cylinder head.

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

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

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SLE 1621

Order now and get it around Friday, August 28

QTY:

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Features & Benefits

  • Over 10 years of experience in Automotive and Lawn & Garden parts.
  • Offers recoil pull start, chain master link, carburetor, hand brake lever, ignition coil, sprocket, etc.
  • Accept customization of products if bought in bulk.
  • Registered brand name 2.0 successfully.
  • Replacement for various 4-Stroke and 2-Stroke engine scooters.
  • Message for customer service to get replacement or refund.

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