Revised version (Low AI detection, native English, all technical keywords unchanged): This standard piston serves as a solid aftermarket replacement carrying OEM reference 66T-11631. It fits Yamaha 40HP two-stroke marine outboard engines and comes with an 80mm (3.149in) diameter. Meticulous machining builds appropriate operating clearance inside matched cylinder bores. Abrasion-proof alloy material copes with ongoing marine operation and delays component deterioration. Its dimensions adhere to OEM requirements for hassle-free assembly. The piston brings back adequate engine compression and delivers steady power performance out on the 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



1 years
China