Sanshin Kogyo Kabushiki Kaisha

Sanshin Kogyo Kabushiki Kasiha

Kentaro Kameoka

Toshihiro Nozue

Kazuyuki Kitajima

Kenji Kawamukai

Noritoshi Suzuki

Yoshiaki Tasaka

An outboard motor comprising a water propulsion device and a cowling housing an internal combustion engine is disclosed. The engine has a body defining at least one combustion chamber and an output shaft arranged to drive the water propulsion device. The cowling has a front end and a rear end. The motor includes a handle which generally encircles at least a portion of the cowling, the handle having at least one gripping portion at the front or rear end of the cowling.

Outboard motor

An outboard motor is configured for steering by a tiller arm. The tiller arm is moveable relative to the outboard motor about a transverse axis and is arranged to steer the motor about the vertical axis. The outboard motor further has a power head that contains a vibration engine and is comprised of a protective cowling and lower tray. A tiller arm mounting bracket is secured to the power head and a mounting structure extends from the tiller arm. A resilient member is juxtaposed between the mounting bracket and the mounting structure. A gap is defined between a face of the resilient member and the tiller arm such that the resilient member may freely vibrate within the gap without that face of resilient member contacting the tiller and directly translating vibrational energy to the tiller arm.

Tiller mounting arrangement

An outboard motor includes an improved engine layout to provide a compact power head while simplifying the arrangement of components on the engine. In one mode, an induction system of the engine includes a carburetor that is arranged over a cylinder head. An intake pipe connects the carburetor to an intake port of the cylinder head. The pipe has generally a U-shape and loops around the upper side edge of the cylinder head. An air intake device is arranged upstream of the carburetor to supply air thereto. The air intake device includes a downward facing air intake opening that is located along a side of the engine below the upper end. This arrangement of the induction system that extends over the upper side of the engine produces a compact assembly without overly complicating the arrangement of other components on the engine, such as, for example, a manual starter device. With the present engine layout, the manual starter device is positioned on an upper side of the engine in front of the carburetor near a crankshaft of the engine. The air intake opening faces a lower air vent formed in a cowling below the engine. Cool air flows through the lower air vent and is drawn into the air intake opening for engine operation. This flow of cool air also cools the engine. The cowling also includes an upper vent to expel warm air from about the carburetor on the upper side of the cowling and to promote a current of air across the engine for cooling purposes.

Growing community of inventors

Hamamatsu, Japan

Kentaro Kameoka