Brand New Piston Set For Yamaha 3cyl Outboard Motor,And it has 3 piston rings on it, please notice it.
This Piston Set is STD , standard size, it has the following items inside:

Bore Size of Piston & Ring: 67MM, 2.638" ,
Contain Ring Set 6H4-11610-00-00, x3pcs
Piston Pin 648-11633-00-00 x1,
Circlip 6H4-11634-01-00 x2

For Yamaha Sierra Outboard 40, 50 horsepower 3 Cyl (2 strokes) engines.
Piston Assy with Ring Set, Clip, Pin (std)


Application Fits:    

OEM #: 6H4-11631-09-96



3 Ring

Make Model CC / HP Year
Yamaha ETL 40 1985
Yamaha ETL 40 1986
Yamaha ETL 40 1987
Yamaha ETL 40 1988
Yamaha L 40 1984
Yamaha L 40 1985
Yamaha L 40 1986
Yamaha L 40 1987
Yamaha L 40 1988
Yamaha S 40 1984
Yamaha S 40 1985
Yamaha S 40 1986
Yamaha S 40 1987
Yamaha S 40 1988
Yamaha S-JD 40 1986
Yamaha S-JD 40 1987
Yamaha S-JD 40 1988
Yamaha EL 50 1986
Yamaha EL 50 1987
Yamaha EL 50 1988
Yamaha ES 50 1986
Yamaha ES 50 1987
Yamaha ES 50 1988
Yamaha ES-JD 50 1987
Yamaha ES-JD 50 1988
Yamaha ETL 50 1984
Yamaha ETL 50 1985
Yamaha ETL 50 1986
Yamaha ETL 50 1987
Yamaha ETL 50 1988
Yamaha ETS 50 1984
Yamaha ETS 50 1985
Yamaha Pro-L 50 1987
Yamaha Pro-L 50 1988