This comprehensive piston kit includes piston 6F611631 and matched piston ring 6F5-11610-00 as aftermarket spare parts. It fits Yamaha 40HP two-stroke boat outboards built with a 78mm standard cylinder bore. Precision machining achieves reliable sealing and suitable clearance within cylinders. Wear-resistant alloy withstands continuous marine operation and minimizes gas blow-by. Dimensions follow OEM standards for simple assembly. This piston set recovers adequate compression and keeps stable power output on water.
Product Name:Piston Kit
Bore size: 78mm STANDARD
Fit Engine: 40HP E40 40G 40J
Fit Part Number: 6F5-11631-00 6F6-11631-00-95 6F5-11610-00 T36-04020200
Include: Piston(6F5-11631-00-95)*1 Piston ring(6F5-11610-00)*2 Circlip(663–11634–00)*2 Piston pin(6F5–11633–00)*1
Also fit Parsun Makara Outboard 36HP 40HP Part number: T36-04020200



1 years
China