Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 689-11635-60 0.25 Viewer:921 OEM No. : 689-11635-60 0.25 For YAMAHA Outboard 30 HP You May Also Be Interested In Piston Ring 656-11610-22 0.50 Piston Kit 676-11631-00 STD Piston Kit 361-00001-0/361000010M/361-00001-1/361000011M 1.00 Gasket, Cylinder Head 11141-94600-000