Product Details
47mm 72cc Non-EGR Big Bore Cylinder Kit w/Head for 50cc 4-Stroke 139QMB Scooters
INCLUDES:
- Cylinder Bore: 47mm
- Cylinder Sleeve Outer Diameter: 52.8mm (47mm Bore)
- Wrist Pin Diameter: 13mm
- Total Piston Height: 34.4mm
- Compression Height (from center of wrist pin hole to top edge of piston): 17.25mm
- Intake and Exhaust Valve Length: 64mm or 69mm
- Non-Emissions Head
COMPATIBILITY:
- Amigo – 50cc 4-Stroke Scooters
- Apollo – 50cc 4-Stroke Scooters
- Baotian – 50cc 4-Stroke Scooters
- Baron – 50cc 4-Stroke Scooters
- Bintelli – 50cc 4-Stroke Scooters
- BMS – 50cc 4-Stroke Scooters
- Coolster – 50cc 4-Stroke Scooters
- CSC – 50cc 4-Stroke Scooters
- Diamo – 50cc 4-Stroke Scooters
- Flyscooter – 50cc 4-Stroke Scooters
- Ice Bear – 50cc 4-Stroke Scooters
- Italica – 50cc 4-Stroke Scooters
- JCL – 50cc 4-Stroke Scooters
- Jonway – 50cc 4-Stroke Scooters
- Kandi – 50cc 4-Stroke Scooters
- Kinroad – 50cc 4-Stroke Scooters
- KMD – 50cc 4-Stroke Scooters
- Kymco – 50cc 4-Stroke Scooters
- Lance – 50cc 4-Stroke Scooters
- Leike – 50cc 4-Stroke Scooters
- Linhai – 50cc 4-Stroke Scooters
- Longbo – 50cc 4-Stroke Scooters
- Motobravo – 50cc 4-Stroke Scooters
- Motofino – 50cc 4-Stroke Scooters
- Motorino – 50cc 4-Stroke Scooters
- NST – 50cc 4-Stroke Scooters
- Peace – 50cc 4-Stroke Scooters
- Puma Cycles – 50cc 4-Stroke Scooters
- Redstreak – 50cc 4-Stroke Scooters
- Roketa – 50cc 4-Stroke Scooters
- Scootstar – 50cc 4-Stroke Scooters
- Schwinn – 50cc 4-Stroke Scooters
- SSR – 50cc 4-Stroke Scooters
- SUNL – 50cc 4-Stroke Scooters
- Supermach – 50cc 4-Stroke Scooters
- SYM – 50cc 4-Stroke Scooters
- Tank Sports – 50cc 4-Stroke Scooters
- TaoTao – 50cc 4-Stroke Scooters
- Trailmaster – 50cc 4-Stroke Scooters
- Veloz – 50cc 4-Stroke Scooters
- Verucci – 50cc 4-Stroke Scooters
- Vitacci – 50cc 4-Stroke Scooters
- Viva – 50cc 4-Stroke Scooters
- Wolf – 50cc 4-Stroke Scooters
- Xingyue – 50cc 4-Stroke Scooters
- ZNEN – 50cc 4-Stroke Scooters
**NOTE: Remove your valve from your scooter’s head and measure the full length of the valve stem. Some scooters like Znen (Wolf Brand, GMW, Bintelli, etc), Kymco 50cc 4T (Agility), some newer TaoTao and other 50cc 4-stroke scooters may have valve stem length over 64mm. For these applications use part #11001326 Type 1 Rocker Arm assembly.
**NOTE: Electrical, High Performance, Aftermarket items are non-returnable so please check photos and specifications before ordering.
Please see our Warranty and Returns Policy
Additional information
| Dimensions | 12 × 9 × 6 in |
|---|---|
| Manufacturer Name | OEM |
| Type | 64mm Intake and Exhaust Valves (11001439), 69mm Intake and Exhaust Valves (11001515) |














