Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 688-11631-03 STD Viewer:1129 OEM No. : 688-11631-03-STD For YAMAHA Outboard 48, 55, 75, 85 HP You May Also Be Interested In Piston Kit 66T-11635-00 0.25 Piston Kit 6H4-11636-09 0.50 Oil Seal 334-60223-0/334602230M Anode 65W-45251-00-00