Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 689-11636-60 0.50 Viewer:853 OEM No. : 689-11636-60-0.50 For YAMAHA Outboard 25, 30 HP You May Also Be Interested In Piston Ring 61N-11603-00-00 STD Piston Kit 644-11631-03 STD Propeller 6G5-45949-00-98 Circlip 09381-20003-000