Yamaha 66T-11603-01 Piston Kit for E40Mh 40X Outboard Motor 66T116030100

This piston ring kit acts as a dependable aftermarket spare part corresponding to OEM PN 66T-11603-01. It fits Yamaha E40MH and 40X two-stroke outboard motors equipped with an 80mm standard cylinder bore. Precision machining delivers effective sealing within engine cylinders. Wear-resistant alloy withstands continuous marine operation and minimizes gas blow-by. All dimensions follow OEM standards for convenient assembly. This ring set recovers proper compression and maintains consistent power output on water.

This is a brand new piston set (STD size) For Yamaha Outboard Motor ,And also for Parsun,Hidea,Seapro,Hangkai,HDX etc 2 strok 40HP ,E40X series.

Ref. Part No: 66T-11631-00

Piston Diameter: 80mm / 3.149in

Wrist Pin: 20mm / 0.787in

It used on:

for Yamaha 40HP E40MH 40X outboard engine

E40MLHW-REV - 1998 E40MLHX - 1999 E40MLHY - 2000 E40MLHZ - 2001---up

Parsun 40HP E40MH 40X boat motor