Description:

The GY6 139QMB Complete Cylinder Kit allows you to upgrade your 49cc or 50cc engine to a 100cc for increased RPM and performance. This replacement kit is designed to fit many 4 stroke scooters including Roketa, TaoTao, SunL, Baccio, and VIP.

• Engine Upgrade 49cc or 50cc to 100cc
• Compatibility GY6 139QMB and 139QMA engines
• Cylinder Material Aluminum
• Piston Kit Includes Piston, 38mm Piston Pin, Piston Rings, Clips, and Piston Gaskets
• Additional Components Exhaust Gasket Set
• Model Number MGHP0423_100CC
• Note Cylinder Head is not included in this kit