Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 6J8-11631-02 STD Viewer:726 OEM No. : 6J8-11631-02-STD For YAMAHA Outboard 25, 30 HP You May Also Be Interested In Piston Kit 677-11631-00-97 STD Piston Pin 662-11633-00 Cylinder liner Sleeve 11212-91L90 Crank 6G0-11442-00