Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 689-11636-60 0.50 Viewer:901 OEM No. : 689-11636-60-0.50 For YAMAHA Outboard 25, 30 HP You May Also Be Interested In Piston Kit 61A-11631-02 STD Piston Ring 6E5-11610-00-00 STD Coil Ignition 6E0-85570-00-00 Gear 697-45551-00-00(13T)