Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 676-11636-00 0.50 Viewer:828 OEM No. : 676-11636-00-0.50 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Ring 6R5-11605-00-00 0.50 Piston Kit 682-11636-00 0.50 Gear 69K-45571-00-00(30T) Bearing 362-60211-0/362602110M