Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 6R5-11646-11 0.50 Viewer:950 OEM No. : 6R5-11646-11-0.50 For YAMAHA Outboard 115, 130, 150, 175, 200, 225 HP You May Also Be Interested In Piston Kit 644-11631-03 STD Piston Ring 647-11610-10 0.25 Powerhead Gasket Kit 27-73645A87 Needle Valve 13370-97E20-000