Product Details
47mm Big Bore 72cc Non-EGR Cylinder for 50cc 4-Stroke 139QMB Scooters
INCLUDES:
- For Use with 72cc Big Bore Kit
- Valve Length: 69mm
- Overall Height: 59.5mm
- Intake Port Diameter: 17mm
- Exhaust Port Diameter: 18mm
- Intake Bolt Hole Spacing: 44.5mm
- Exhaust Bolt Hole Spacing: 50mm
- DOES NOT COME WITH VALVES
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
50cc QMB139 4-stroke 47mm, Non Emissions Cylinder Head with 64mm Valves for use with 81.3cc Big Bore Kit!
**NOTE: There are two versions of this head. It either comes with a 64mm or 69mm valve kit. Please verify first before placing an order.
**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 | 7 × 7 × 7 in |
|---|---|
| Manufacturer Name | OEM |
| Manufacturer Part Number | 20-2 |
| Part Number | MG-3-3-12 |









