Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 676-11636-60 0.50 Viewer:895 OEM No. : 676-11636-60-0.50 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Kit 64D-11646-00 0.50 Piston Kit 6H4-11631-01 STD Bearing 93310-522W0-00 Lower Unit Assembly 6B4-45300-10-4D