Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 624-11631-00 STD Viewer:1570 OEM No. : 624-11631-00-STD For YAMAHA Outboard 2 HP You May Also Be Interested In Piston Ring 61U-11601-20 0.50 Piston Kit 677-11636-00 0.50 Outer Plate, Cartridge 688-44323-00-00 Gasket, Water Pump 689-44315-01-00/689-44315-A0-00