Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 6G5-11631-00 STD Viewer:1368 OEM No. : 6G5-11631-00-STD For YAMAHA Outboard 115, 150, 175, 200 HP You May Also Be Interested In Piston Kit 6E7-11631-00-97 STD Piston Kit 6E7-11635-00-00 0.25 Cylinder Liner Sleeve L150OB Outer Plate, Cartridge 6E5-44323-00-00