Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 6H4-11601-10 0.25 Viewer:862 OEM No. : 6H4-11601-10-0.25 For YAMAHA Outboard 40, 50 HP You May Also Be Interested In Piston Kit 6L1-11645-01 0.25 Piston Kit 6G5-11635-00 0.25 Bearing 09263-26007-000 Oil Seal, SD-Type 93102-20108-00