Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 61A-11642-01 STD Viewer:1527 OEM No. : 61A-11642-01-STD For YAMAHA Outboard 250 HP You May Also Be Interested In Piston Ring 61X-11605-00-00 0.50 Piston Kit 69L-11635-00 0.25 Propeller Shaft 6CB-45611-00-00 Piston Kit 61N-11636-00 0.50