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TOPIC: Bearcat isn't running well

Bearcat isn't running well 1 year 11 months ago #122355

  • Kelly
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I'm not sure what's going on. At first I thought it was bad gas, then fouled plugs but now after cleaning the plugs and getting new fuel with Stabil ethenol treatment it's still running bad after 20 minutes of running around the lake. It runs fine for a while (20 mins), even sounds great at WOT, then it sputters and acts like it's starving for fuel. The bulb isn't "full" in the fuel line but then again it isn't when it runs fine.
I installed a new fuel pump last year and it's no longer "making oil" but it's definitely not running like it was. I tweaked the carbs by ear but that's about it.

Thoughts?

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1958 Uniflite>
Crafted in WA state
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Re: Bearcat isn't running well 1 year 11 months ago #122430

Are you using a fuel filter? Possibly something being picked up from the tank after running a while. If it's been sitting all winter maybe time to rebuild the carbs. I just fired mine up for the first time and it sputters a bit so I'm looking at that. I can't think of anything electrical that would change after heating up but I would check any loose wiring.
Might still be the fuel pump. I went to electric and it seems my bulbs stay full.
Good luck,
Steve

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Re: Bearcat isn't running well 1 year 10 months ago #122572

  • Kelly
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It was the coil.

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1958 Uniflite>
Crafted in WA state
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