| 摘要 |
PROBLEM TO BE SOLVED: To surely maintain a mounted condition during connection while an air intake duct is easily mountable and demountable. SOLUTION: A connection port 18 is formed in a side surface of an intake air box 17, a lower joint 21 serving as a rear part of an intake air duct 20 is mounted from sideward in this connection port. The lower joint 21 is formed in almost L-shape having a duct connection port 45 connected to the rear part of the intake air duct 20 and a connection end 46 connected to the connection port 18, the lower joint 21 is diagonally placed to the inserted into a seal rubber 38 fitted to the connection port 18, a hook part 51 is locked to a rear end vertex part 54 of the seal rubber 38 corresponding to a vertex 37 of the connection port 18, the lower joint is mounted by turning it with this lock part serving as a support point.
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