US 7,485,020 B2
	Outboard motor
Daisuke Nakamura, Shizuoka-ken (Japan); Isao Fujii, Shizuoka-ken (Japan); and Ken Wakui, Shizuoka-ken (Japan)
Assigned to Yamaha Marine Kabushiki Kaisha, Shizuoka-Ken (Japan)
Filed on Aug. 15, 2006, as Appl. No. 11/504,317.
Claims priority of application No. 2005-238760 (JP), filed on Aug. 19, 2005.
Prior Publication US 2007/0042651 A1, Feb. 22, 2007
Int. Cl. B63H 20/32 (2006.01)

U.S. Cl. 440—76  [440/75; 440/78]

13 Claims

4. An outboard motor adapted to be mounted to a hull of a watercraft, the outboard motor comprising an engine adapted to drive a generally vertically oriented driveshaft, the driveshaft adapted to drive a propulsion shaft, an upper case extending generally vertically and adapted to fit circumferentially about at least a portion of the driveshaft, a lower case adapted to fit about at least a portion of the propulsion shaft, and a mount portion adapted to attach to the hull of a watercraft, the mount portion having a bracket adapted to support the outboard motor, wherein the upper case comprises an extrusion portion, an upper member fitted to an upper end of the extrusion portion, and a fastener for connecting the extrusion to the upper member, a cross-sectional planar shape of the extrusion portion being substantially constant throughout its length, wherein the upper member is rotatably supported by the bracket and extends downwardly below the bracket, and the extrusion portion is fitted to the upper member below the bracket.