Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 689-11610-10/689-11610-11 0.25 Viewer:798 OEM No. : 689-11610-10/689-11610-11-0.25 For YAMAHA Outboard 30 HP You May Also Be Interested In Piston Kit 646-11631-01 STD Piston Kit 6E7-11636-00-00 0.50 Gear 650-42152-00-00/650-42152-00-94(16T) Roller Bearing 31-818889A1/818889A 1