Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 656-11610-11 0.25 Viewer:732 OEM No. : 656-11610-11-0.25 For YAMAHA Outboard 25 HP You May Also Be Interested In Piston Kit 675-11631-00 STD Piston Kit 6R5-11635-11 0.25 Gasket, Fuel Pump 348-65018-0/348650180M Propeller 676-45956-61-EL