Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 6G5-11631-00 STD Viewer:1340 OEM No. : 6G5-11631-00-STD For YAMAHA Outboard 115, 150, 175, 200 HP You May Also Be Interested In Piston Kit 6R5-11646-01 0.50 Piston Kit 66T-11631-00 STD Piston Ring 384336/0384336 0.030 Oil Seal 3B2-00122-0/3B2001220M