Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 61A-11642-01 STD Viewer:1526 OEM No. : 61A-11642-01-STD For YAMAHA Outboard 250 HP You May Also Be Interested In Piston Kit 677-11636-00 0.50 Piston Ring 6F5-11610-00-00/6F6-11610-00 STD Outer Plate, Cartridge 68V-44323-00-00 Throttle Shift Control Cable 34F