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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
642B Carburetor and fuel pump
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<blockquote data-quote="UnexpectedBill" data-source="post: 122471" data-attributes="member: 21648"><p>The solenoid on the carb only shuts off the idle circuit. Unlike cars skids have fixed throttles, not spring return. If the throttle isn't closed when its turned off, there's still fuel being drawn through the main circuit venturi booster and a hot engine could still diesel. I'm guessing the air valve opens to create a big vacuum leak to stop that.</p></blockquote><p></p>
[QUOTE="UnexpectedBill, post: 122471, member: 21648"] The solenoid on the carb only shuts off the idle circuit. Unlike cars skids have fixed throttles, not spring return. If the throttle isn't closed when its turned off, there's still fuel being drawn through the main circuit venturi booster and a hot engine could still diesel. I'm guessing the air valve opens to create a big vacuum leak to stop that. [/QUOTE]
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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
642B Carburetor and fuel pump
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