Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 624-11631-00 STD Viewer:1551 OEM No. : 624-11631-00-STD For YAMAHA Outboard 2 HP You May Also Be Interested In Piston Pin 6G1-11633-00-00 Piston Kit 6R5-11646-11 0.50 Fuel Pipe Joint Complete 6Y2-24306-07 Gasket 6G5-11382-A1-00