66T-11631 Wrist Pin 20mm / 0.787in for Yamaha 40HP Outboard Motor Piston Kit

This wrist pin provides quality aftermarket hardware matching OEM PN 66T-11631. Its measurement reaches 20mm (0.787in), and it works alongside piston kits built for Yamaha 40HP marine outboards. Careful machining maintains tight tolerances, which creates smooth connection between the piston and connecting rod. Tempered alloy material handles frequent marine operation and cuts frictional abrasion. Its OEM-matched dimensions support simple installation. This part keeps piston movement stable and delivers reliable engine power while boating.

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