Shop by Brand Yamaha OutboardCylinder Liner Sleeve Back Cylinder Liner Sleeve LA-069-OB Viewer:1459 OEM No.: LA-069-OB Bore(MM): 67 mm For YAMAHA outboard 40, 50 HP You May Also Be Interested In Cylinder Liner Sleeve 6R5-10935-00 Cylinder Liner Sleeve 677-10935-00/677-11312-00 O-Ring 336-62415-0/336624150M Piston Kit 6F5-11631-00 STD