| 摘要 |
A normally closed ignition grounding switch mounted on the engine operates in concert with the fuel valve such that in order to "kill" the engine, the fuel valve must be moved from its open position. In one embodiment, a normally closed push button switch is mounted on the engine shroud in a position such that it is aligned with the sliding fuel valve lever so that the switch is released only when the fuel valve is moved toward its closed position. In an alternative embodiment, a normally open push button switch is mounted to the engine shroud aligned with the lever of the fuel valve such that closing the fuel valve depresses the push button switch.
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