Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 676-11610-10 0.25 Viewer:837 OEM No. : 676-11610-10-0.25 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Kit 69L-11645-00 0.25 Piston Kit 6R5-11631-11 STD Circlip 99001-08600-00 Outer Plate, Cartridge 682-44323-00-00