Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 61A-11642-01 STD Viewer:1517 OEM No. : 61A-11642-01-STD For YAMAHA Outboard 250 HP You May Also Be Interested In Piston Kit 69L-11636-00 0.50 Piston Kit 6H3-11636-01 0.50 Piston Kit 66T-11635-00 0.25 Propeller 663-45956-01-EL