| 摘要 |
An induction system for the internal combustion engine of a snowmobile that includes first and second air filters the first of which is disposed within the engine compartment and is not readily viewed by the operator and the second of which is disposed so that it can be viewed externally from the engine compartment for the operator to determine if it has been clogged with snow and requires servicing. In addition, a portion of the air flowing to the engine is heated by passing it through the engine compartment while another portion is direct atmospheric air for controlling the temperature of the air delivered to the engine without large temperature variations to insure better running under all ambient conditions.
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