| 摘要 |
An engine unit that has a throttle valve driving actuator securely fixed thereto, and in which the vibration caused on the actuator is small. The engine unit includes a V-type engine and a throttle body assembly. The throttle body assembly has first and second front and rear throttle bodies, an actuator, a transmission gear mechanism, and a casing that houses the actuator and the transmission gear mechanism. The casing has a first casing portion that is fixed to the first front and rear throttle bodies, and a second casing portion that faces the first casing portion in a width direction and is fixed to at least one of the second front and rear throttle bodies.
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