Description
Engine Case Boring Tool for Minarelli & GY6 Engines
This engine case boring tool is designed for specific 2-stroke and 4-stroke engines, including Minarelli 50cc, QMB139 50cc, and GY6 150cc models. It is ideal for those looking to bore their engine cases for performance upgrades. This part is one of the scooter tools that allows you to achieve bore sizes up to 67mm with included cutting bits.
Included Hardware and Functionality
The tool comes with M7x1.00 and M8x1.25 studs, suitable for use with both 50cc and 125/150cc engines. The included cutting bits are specifically designed to match the requirements of different applications, ensuring a smooth and efficient boring process. This makes it a practical option for hobbyists and professionals alike, who are looking to modify engine cases accurately.
Usage Guidelines
This tool is not intended for road use and is meant solely for performance improvements in controlled settings. Regular maintenance and upgrades like boring the engine case can lead to better performance and efficiency. Consider using this tool if you are planning significant modifications to your scooter or moped's engine.
Specifications
- Size: Bore up to 67mm
- Fits: 2-stroke Minarelli, 50cc 4-stroke QMB139, 150cc 4-stroke GY6
Fitment
This boring tool is compatible with a range of engines:
- 40QMB 50cc 2-stroke
- 50QMF 90cc/100cc
- GY6 QMI/QMJ 152/157
- QMB139 50cc/49cc
Not sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.
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