Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 656-11610-00 STD Viewer:719 OEM No. : 656-11610-00-STD For YAMAHA Outboard 25 HP You May Also Be Interested In Piston Pin 648-11633-00-00 Piston Pin 676-11633-00-00 Throttle Shift Control Cable 29F Rod, Push 57631-96301-000