Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 676-11635-60 0.25 Viewer:872 OEM No. : 676-11635-60-0.25 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Kit 6R5-11645-11 0.25 Piston Kit 679-11635-00 0.25 Piston Kit 12111-97J10-0B0 0.50 Gasket 27-803663020/803663020