Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 689-11635-60 0.25 Viewer:947 OEM No. : 689-11635-60 0.25 For YAMAHA Outboard 30 HP You May Also Be Interested In Piston Kit 64D-11636-00 0.50 Piston Kit 6F6-11635-00 0.25 Gear 63V-45571-00(27T) Gasket, Lower Oil Seal 11434-94400-000/11434-94410-000/11434-94411-000