Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 6H4-11610-20-00 0.50 Viewer:990 OEM No. : 6H4-11610-20-00-0.50 For YAMAHA Outboard 40, 50 HP You May Also Be Interested In Piston Pin 676-11633-00-00 Piston Ring 6H4-11610-00-00 STD Carburetor Repair Kit 676-W0093-00/676-W0093-01 Steering Bracket Bushing 90386-38M89-00