Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 6G0-11635-00 0.25 Viewer:884 OEM No. : 6G0-11635-00-0.25 For YAMAHA Outboard 20, 25 HP You May Also Be Interested In Piston 6L2-11635-00-00 0.25 Piston Kit 6L1-11645-01 0.25 Propeller 58100-95212-019 Gasket, Air Box 321497/0321497