| 摘要 |
<p>A throttle body fastening structure has an induction passage constituent member (11), a throttle body (12) connected to the induction passage constituent member (11), a flange (13) formed at an end portion of the induction passage constituent member (11), to which an end surface of the throttle body (12) is joined and a bolt passing through the throttle body (12) and screwing into the flange (13) so as to fasten the throttle body (12) to the induction passage constituent member (11). The throttle body fasting structure is characterized in that a bolt hole (14a) is provided in the flange (13) through which the bolt (16) pass, a recess portion (13d) is provided in a side surface (13c) of the flange (13) and a nut (15) into which the bolt (16) is screwed is disposed in the recess portion (13d).
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