Engine Case Boring Tool for Scooters & Mopeds
ITEM# TT-16976
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Description
Engine Case Boring Tool for Minarelli and GY6 Engines
This boring tool is built for particular 2-stroke and 4-stroke engines, among them the Minarelli 50cc, QMB139 50cc, and GY6 150cc. It suits anyone wanting to enlarge their engine cases as part of a performance build. Browse our scooter tools range for related equipment. With the cutting bits provided, you can reach bore sizes of up to 67mm.
Included Hardware and Functionality
Two stud sizes come with the kit, M7x1.00 and M8x1.25, so it can be used on both 50cc and 125/150cc engines. The cutting bits supplied are matched to different applications, which helps the boring work run smoothly and evenly. It is a sensible choice for both home mechanics and professional builders who need to modify engine cases with precision.
Usage Guidelines
Do not use this tool on public roads. It is intended only for performance work carried out in a controlled environment. Routine upkeep and upgrades such as boring the engine case can improve power and efficiency. If you are planning major changes to your scooter or moped engine, this tool is worth considering.
Specifications
- Size: Bore up to 67mm
- Fits: Minarelli 2-stroke, QMB139 50cc 4-stroke and GY6 150cc 4-stroke engine cases (bore up to 67mm)
Fitment
Compatible with:
- Minarelli 2-stroke engines (40QMB 50cc 2-stroke)
- 50QMF engines (90cc)
- QMB139 50cc/49cc 4-stroke engines
- GY6 QMI/QMJ 4-stroke engines
How to choose: Select the stud size based on your engine: M7x1.00 for 50cc engines and M8x1.25 for 125cc and 150cc engines.
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