50mm Cylinder Big Bore Kit Suitable for Yamaha Jog 90cc 1E50QMF

Compatible with:
Suitable for AC Minarelli / Yamaha / Jog Clone Motors Piston Ring Gasket
Suitable for 90cc 2 Stroke with 50QMF, E50QMF, 1E50QMF and 1PE50QMF Minarelli engines. (50MM With 12MM Wrist Pin)

Specifications
Type: Cylinder Big Bore Kit
Material: Forged Aluminum
Bore Type: Big Bore
Bore Size: 50mm
Pin Diameter: 12mm
Pin Length: 39.8mm
Cylinder Overall Height: 102mm
Engine Type: 1E50QMF
Engine: 2-Stroke

Package include:
1x Cylinder
1x Piston
1x Piston Ring Set
1x Wristpin
1x Circlip
1x Cylinder Base Gasket
1x Cylinder Head Gasket

Feature:
The kit includes a piston, ring, pin, fixture, and top washer kit (as shown in the figure).
Cast pistons have additional strength with ultra-high silicon content.
The piston skirt is coated with molybdenum polytetrafluoroethylene coating to minimize resistance/wear and extend service life.
The piston dome has undergone anodizing treatment, providing excellent heat resistance and longer service life.
The gasket is made of high-performance materials to improve durability and provide higher reliability.
The kit has a large diameter of -500mm and is upgraded from 50cc to 90cc.
All components in the kit are bolted and can be easily installed.