| 摘要 |
PURPOSE: To provide a fuel supply device including a device for enriching fuel when air temperature is below a predetermined temperature and shutting off the rich fuel when ambient air temperature is higher than the predetermined temperature. CONSTITUTION: This device includes a carburetor 17 including a fuel chamber, an air induction passage containing a venturi 21 therein, a throttle valve 23 disposed in the air induction passage downstream of the venturi, a fuel enrichment conduit communicating the fuel chamber with the air induction passage 19 downstream of the throttle valve, and a device for admitting air into the fuel enrichment conduit when engine temperature is higher a predetermined level and into the air induction passage when the engine temperature is below the predetermined level.
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