NEGATIVE INTAKE PRESSURE DETECTION SYSTEM IN OUTBOARD MOTOR

摘要

An outboard motor is provided which includes, in an engine compartment defined by an engine hood, an engine, an intake manifold including a plurali ty of intake branch pipes connected to a plurality of intake ports of the engine, and a throttle body connected to an intake inlet of the intake manifold. A negativ e pressure detection hole that opens within the intake manifold, is provided in the out er wall of the intake manifold, and a negative intake pressure sensor that is fixed to the outer wall is positioned in the negative pressure detection hole.