Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 6R5-11631-11 STD Viewer:902 OEM No. : 6R5-11631-11-STD For YAMAHA Outboard 115, 130, 150, 175, 200 HP You May Also Be Interested In Piston Kit 624-11631-00 STD Piston Kit 6F5-11631-00 STD Gear 689-45571-00-00(24T) Throttle Shift Control Cable 20F