57mm Piston, Pin, and Circlips for the 150cc 4-stroke QMJ QMI/152 GY6 engine and 150cc GY6 4-stroke ZNEN engines commonly found in Bintelli, Gorilla Motor Works (GMW) and Puma scooters.
150cc GY6 Piston Set Specifications
Piston Diameter: 57mm
Piston Pin Diameter:
15mm
Includes: piston, piston pin, and 2 cir clips
Compression Height (center of piston pin hole to top of piston): 20mm
57mm Piston, Pin, and Circlips for the 150cc 4-stroke QMJ QMI/152 GY6 engine and 150cc GY6 4-stroke ZNEN engines commonly found in Bintelli, Gorilla Motor Works (GMW) and Puma scooters.
150cc GY6 Piston Set Specifications
Piston Diameter: 57mm
Piston Pin Diameter:
15mm
Includes: piston, piston pin, and 2 cir clips
Compression Height (center of piston pin hole to top of piston): 20mm