Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 6H4-11601-20 0.50 Viewer:909 OEM No. : 6H4-11601-20-0.50 For YAMAHA Outboard 40, 50 HP You May Also Be Interested In Piston Ring 64D-11604-00-00 0.25 Piston Ring 688-11605-A0-00 0.50 Carburetor Repair Kit 6G5-W0093-04-00 Water Pump Repair Kit 46-812966A