| 摘要 |
Air filtered through a filter element in a case is supplied via an air outlet port to a carburetor. Bottom plate of the case includes a support frame section bulging inwardly of the case. The support frame section includes a peripheral wall surrounding the periphery of the outlet port, a plurality of posts extending upward from the peripheral wall, and a canopy portion of a plate shape provided on the upper ends of the posts. Interior of the case and the outlet port are in communication with each other via a space between the posts, and the canopy portion covers the whole opening area of the outlet port.
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