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47mm Piston Rings Set for GY6 80cc 139QMB Engine
47mm Piston Rings Set for GY6 80cc 139QMB Engine
5.0 / 5.0
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Product Overview
Ensure peak engine performance with this premium 47mm Piston Ring Set, specifically designed for GY6 80cc (139QMB) engines and big bore upgrade kits. These rings are engineered to withstand the intense heat and pressure of high-compression 4-stroke engines, providing a superior seal that restores lost power and improves fuel efficiency in scooters, ATVs, and mopeds.
Product Compatibility
Designed for the popular GY6 80cc platform and common Chinese-manufactured small displacement bikes.
| Vehicle Type | Common Compatible Models |
| Scooter / Moped | TaoTao, Jonway, Peace Sports, Wolf Brand (80cc Upgraded Models) |
| Engine Series | GY6 139QMB, 1P39QMB (47mm Big Bore Kit) |
| Compatible Models | JH70 Moped, Various 80cc Chinese Quads & Go Karts |
| Fitment Note | Standard replacement for 47mm bore cylinder assemblies |
Specifications
| Component | Metric Measurement | Imperial Measurement |
| Main Ring Diameter | 47mm | 1.85" |
| Oil Ring Diameter | 48.85mm | 1.93" |
| Inner Ring Diameter | 43.89mm | 1.73" |
| Engine Type | 4-Stroke Air-Cooled | -- |
| Material | High-Strength Alloy Steel | -- |
Key Features
- Extreme Durability: Manufactured from high-strength alloy steel with advanced surface treatments for exceptional wear and corrosion resistance.
- High-Pressure Resilience: Specifically engineered to maintain a perfect seal under the harsh temperatures and pressures found in 80cc modified engines.
- Restored Compression: Precision-designed ring profiles effectively prevent gas leakage, boosting engine torque and overall work efficiency.
- Engine Longevity: By reducing mechanical friction against the cylinder wall, these rings significantly extend the service life of your top-end components.
- Precision Fitment: Built to exact OEM standards for a seamless installation in 47mm cylinders, ensuring reliable operation from the first start.
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FAQs
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I install new piston rings every couple of months because I ride my whip everyday year round. I average 5 miles everyday. These are fine
Just what I ordered. Works good. No hassles. Fast shipping