The GY6 Cylinder Rebuild Kit is a comprehensive solution for modifying your 64mm valve, 49cc to 50cc 139QMB moped scooter engine. This kit includes the necessary components, such as cylinder head gaskets, piston rings, and connecting rods, to give you a high-performance boost.
With this kit, you can upgrade your engine's bore size from 50mm to 139mm, giving you a significant increase in power output. The 100cc Big Bore Kit is designed for riders who want to take their scooter to the next level, and it comes with a range of performance-enhancing accessories.
The kit includes a 6pin Racing CDI Ignition Coil upgrade, which provides improved spark timing and increased horsepower. Additionally, you'll receive a clutch spring designed specifically for this engine size, allowing you to smoothly shift gears and maintain optimal engine performance.
Whether you're a seasoned enthusiast or just looking to take your scooter to new heights, the GY6 Cylinder Rebuild Kit is an essential upgrade that's sure to deliver impressive results. With its comprehensive set of components and performance-enhancing accessories, this kit is designed to help you achieve your desired level of performance and enjoyment on the road.
