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stillsmoken

Suzuki Quad Runner 250 Run Without Fuel pump

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I have 2 suzuki quadrunners 250s and i am trying to get them running. I was wondering if the quad will run without using the fuel pump

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i can't see why not, as long as the fuel is above the carb for gravity feed, and as long as the carb doesn't have like a check valve where it needs a certain amount of psi running to have it open ...

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No the pump is still on the quad that is what i did i just ran a straight line from the tank to the carb but it doesn't serm to be getting gas. If i take thr fuel line off gas comrs out the petcock.

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some of thoes carbs had spring loaded needel valves in the carbs and had to have slight pressure to get the fuel into the bowl on the carb..

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If its got a fuel pump its there for a reason and I say that it will run but not at wide open throttle or maybe not run when on steep declines or angles or below half a tank of fuel full

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Here's a trick.....but don't tell anyone I told you this cause it can be dangerous. Try having a buddy pressurize the fuel tank a bit while you crank it over. A slight amount of pressure in the tank will mimick the fuel pump. Just hook a line from a compressor to the vent on the cap and give it a little shot. DO NOT OVER PRESSURIZE IT!!! It will blow itself to peices!! All you need is SLIGHT pressure. This works , when the engine seems like it's dying have your buddy give it another little shot of pressure & see how the engine reacts.

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Ok i got the quad to Start by just dumping a little gas in tbe carb it seems that the fuel pump isn't working can it be rebuild

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* Moved to Suzuki Forum and changed title to Suzuki Quad Runner 250 Run Without Fuel pump

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