Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 676-11636-00 0.50 Viewer:834 OEM No. : 676-11636-00-0.50 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Kit 64D-11631-00 STD Piston Ring 689-11610-00-00/689-11610-01-00 STD Fuel Filter 15412-93J10-000 Bolt 910103-5675