Outboard Motor Piston Kit for Yamaha 2 stroke 40HP E40X Motor 80MM

This standard piston kit serves as a reliable aftermarket spare part for Yamaha two-stroke 40HP E40X marine outboards with an 80mm 80mm standard cylinder bore. Precision machining creates proper working clearance inside cylinders. Durable alloy material withstands continuous marine operation and reduces gas blow-by. All dimensions follow OEM specifications for simple bolt-on fitting. This piston assembly recovers adequate compression and maintains consistent power output for marine navigation.

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