Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 624-11631-00 STD Viewer:1581 OEM No. : 624-11631-00-STD For YAMAHA Outboard 2 HP You May Also Be Interested In Piston Kit 6R5-11646-01 0.50 Piston Kit 6G5-11636-00 0.50 Retainer Ring 911751/0911751 Plunger, Shift 648-45635-00-00