Suzuki Motor Corporation

Seiji Uehara

Nobuyuki Shomura

Akinori Yamazaki

Sho Ishizaki

Ryota Ariga

An outboard motor includes an engine cover, a throttle body, and a silencing chamber. The engine cover covers an engine and is provided with a combustion air intake port. The throttle body is connected to the engine and is configured to take in combustion air from the combustion air intake port. The silencing chamber is provided above the engine and is placed in an intake passage that guides the combustion air to the throttle body. At least one of a hole member including a plurality of holes with respective predetermined depths, and a plurality of suction pipes elongated in a front-rear direction of the outboard motor, is disposed in a position communicating with the silencing chamber.

Outboard motor

In an upper mount portion, a steering central axis related to a steering force of a steering handle and a vibration central axis related to a torque reaction force of an engine are configured to be shifted back and forth. A mount member is formed such that a spring constant related to the vibration central axis is smaller than a spring constant related to the steering central axis.

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Shizuoka, Japan

Seiji Uehara