Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 64D-11646-00 0.50 Viewer:1531 OEM No. : 64D-11646-00-0.50 For YAMAHA Outboard 150, 175, 200, 225 HP You May Also Be Interested In Piston Ring 6E5-11610-00-00 STD Piston Kit 679-11631-00 STD Gasket, Cylinder Head 676-11181-00 Shim 12-8M0050439/8M0050439