Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 689-11636-60 0.50 Viewer:867 OEM No. : 689-11636-60-0.50 For YAMAHA Outboard 25, 30 HP You May Also Be Interested In Piston Kit 6L1-11642-01 STD Piston Kit 61A-11646-00 0.50 Tab, Trim 5032929 O-Ring 93210-65M50-00