Cylinder Kit w/Head, 50mm Big Bore 90cc EGR for 50cc 4-Stroke 139QMB Scooters

50mm 90cc EGR Big Bore Cylinder Kit w/Head for 50cc 4-Stroke 139QMB Scooters

INCLUDES:

• Cylinder Head
• Cylinder Block
• Piston (50mm)
• Piston Rings
• Wrist Pin
• Circlips
• Gaskets
• 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

Upgrade 4-stroke cylinder kit works on Kymco, Schwinn, QLink, Diamo, Tank, Verucci, Roketa, Meitian and most scooters with GY6 139QMB 4T engines.

Also do not forget your clutch, roller weights, and belt to use this new find power to better take off and no slip with Kevlar belts. Good size for roller weights for bottom end and not losing top end is 5 – 6 gram weights depending on rider’s weight.

**NOTE: There are two versions of this kit. 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