摘要 |
<P>PROBLEM TO BE SOLVED: To provide an outboard motor which improves an engine output and prevents a throttle valve from being frozen and stuck when an air temperature is low without complicating its structure. <P>SOLUTION: In the outboard motor having an engine 46 (internal combustion engine) and an engine cover 14 adapted to cover the engine having an air intake passage 84 that opens at the engine cover 14, there is provided a secondary air passage 90 having an inlet 90a disposed at an internal space 14a of the engine cover 14 and an outlet 90b connected to the air intake passage 46 at a position downstream of the throttle valve 86a of the engine. <P>COPYRIGHT: (C)2013,JPO&INPIT |