Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 6F5-11610-10/6F6-11610-10 0.25 Viewer:873 OEM No. : 6F5-11610-10/6F6-11610-10-0.25 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Kit 6H4-11631-09 STD Piston Kit 6H4-11635-09 0.25 Oil Seal 346-60111-0/346601110M Spark Plug 98079-5614E/BKR6E