Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 6G0-11635-00 0.25 Viewer:867 OEM No. : 6G0-11635-00-0.25 For YAMAHA Outboard 20, 25 HP You May Also Be Interested In Piston Kit 677-11635-00 0.25 Piston Ring 61X-11605-00-00 0.50 Reverse Gear 697-45571-00-00(24T) Piston Kit 662-11631-01 STD