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Leaking carburetor I have a Ariens Snow King with a Tecumseh carburetor HS 50.My problem is that the carb is leaking fuel. What parts to be replaced?

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  • DanV2009 Apr 06, 2009

    What if the carb is leaking fuel out of the carb throat? Both lower gaskets on my Toro 521 snowthrower's engine (I think it's an HSSK55) are fine, and I have replaced the float, thinking it was full of gas and sinking. It's almost as though the needle valve that controls gas flow into the float bowl isn't closing, and the bowl is over filling right into the carb throat. If I leave gas in it and the gas valve open for more than a day, the fuel tank empties due to this weirdness. I can get it to run, barely, only if I shut the valve off between runs. Any possible advice? This carb had never been disassembled until it started doing this.
    Also, can someone help me figure out why this engine won't run with the throttle lever in the LOW setting? If I put the lever there, it just stalls, no matter how I clean or adjust the low-speed mixture screw.

  • Anonymous Mar 23, 2014

    The filter was soaked in oil and it will run without the filter on but it still leaks oil.

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Replace to gaskets on the bowl and usually theres a screw/or spring release on the bottom of the bowl....replace those gaskets as well

Posted on Feb 27, 2009

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1 Answer

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Tecumseh HSK50-65496
Recoil Part Number TEC590604 Image
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1 Answer

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1 Answer

Ariens st24e leaking gas from carb body


As you said, it's probably got a stuck float. If stored without draining and fuel petcock turned off, gas evaporates from carb bowl and sticks float down, allowing fuel to flow all the time.

Solution: Remove carb and fully clean. Carb dip can be effective if left long enough but it will not clean out totally closed-up holes or clogged passages. Cleaners can only dissolve varnish if they can get to it and totally clogged passages won't allow cleaner to flow to where it's needed. Pros use a hot bath of cleaner and/or ultrasonic cleaners.

Start with a carburetor rebuild kit and use as many parts as necessary. Be careful to remove rubber parts like O-rings and gaskets before cleaning with solvents. Adjust mixture screws to factory recommendations and fine tune after you get it running. Good idea to purchase an engine service manual for you particular engine.

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1 Answer

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1 Answer

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1 Answer

Snow Blower engine runs very rough


YES THE CARBURETOR CAN BE OVERHAULED
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3 Answers

Tecumseh Snow King HS40 engine only runs on full choke, no power


i did and thanks - just picked up one that does the same thing and i plan to take your advise

Thank you Jerr

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