ITEM NAME:Cylinder Head Gasket for Yamaha 2-strokes 40HP Outboard Motor 66T-11181-A2 Description: 100% Brand New! Product: Cylinder head gasket Fitment:for Yamaha 2 stroke 40HP Outboard Motor Part Number : 66T-11181-A2 Sizeï ¼Å¡240x140mm Package Includes: 1x Cylinder head gasket.Product: Cylinder head gasket. 1x Cylinder head gasket. Part Number : 66T-11181-A2.