| 摘要 |
Air flow from the airbox ( 57 ) to the carburetor of an internal combustion engine is regulated by a plurality of valve bodies ( 66 ) fitted with rotatable lids ( 77 ) which permit infinite adjustment of air flow between a fully closed and fully open position. In an alternate embodiment, a rectangular valve is used that has a relatively lower profile and uses a sliding door ( 94 ) to permit manual adjustment of airflow to the airbox ( 57 ).
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