Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 624-11631-00 STD Viewer:1562 OEM No. : 624-11631-00-STD For YAMAHA Outboard 2 HP You May Also Be Interested In Piston Ring 63D-11604-00-00 0.25 Piston Kit 6H4-11636-01 0.50 Insert Cartridge 694-W4432-00-00 Gasket, Drive Shaft Housing 52113-98400-000/52113-98411-000