Piston Kit - 40mm - 2-Stroke Minarelli 50cc Engine 101486 This cylinder head gasket fits

This cylinder head gasket fits Kazuma Mammoth 800cc

Trekker 50

19 tooth spline/shaft hole

12mm  Valve Head Diameter: 23

Small spring length: 33

Piston Kit - 40mm - 2-Stroke Minarelli 50cc Engine 101486 This cylinder head gasket fits40mm Piston Kit with Rings is for 50cc 2 Stroke Engines. This Chinese 40mm piston kit is the replacement part for many Eton 2 strokes. Piston kits ship complete with piston, piston rings, piston pin and piston clips. Piston kit description: Piston Height: 50. 5mm Piston Diameter: 40mm Piston Pin Length: 33mm Piston Pin Diameter: 10mm Includes piston Includes rings Includes wrist pin Includes circlips Includes wrist pin roller bearing Includes head