Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 6H4-11610-10-00 0.25 Viewer:1047 OEM No. : 6H4-11610-10-00-0.25 For YAMAHA Outboard 40, 50 HP You May Also Be Interested In Piston Kit 6J8-11631-02 STD Piston Ring 6R5-11604-00-00 0.25 Piston Kit 12110-93130-025 0.25 Oil Seal 93101-28M67-00