Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 61A-11642-01 STD Viewer:1543 OEM No. : 61A-11642-01-STD For YAMAHA Outboard 250 HP You May Also Be Interested In Piston Ring 676-11610-00 STD Piston Kit 6L1-11646-01 0.50 Solenoid Assy 89-818999A1/818999A 1 Fuel Pipe Joint Complete 61J-24306-02/61J-24306-03