Question about Honda Chipper Blower and Vac: 5.5 Hp Gas

2 Answers

Honda 5.5 HP starts & dies

Runs 10 sec, then dies. Will not start again unless allowed to sit 10 min.
Good compression & spark after stalling.
Gas (fresh) flows freely to carb bowl, I've cleaned entire passage between bowl & obstructions.

Posted by pauls329 on

  • 2 more comments 
  • pauls329 Jan 11, 2009

    I've had the carb off & cleaned every square millimeter of it.

    I'm convinced it's not a fuel problem.

    I'm thinking sticking valve, but since every disassembly with a Honda means a ruined gasket, I'm trying other things before pulling the head.

  • pauls329 Jan 12, 2009

    Engine: GX140.

    I've had every piece of the carb disassembled, inspected, & cleaned.

    When it dies, no choke setting will prevent it, or allow it to be restarted.

    EVERY piece I've removed that has a gasket resulted in the gasket sticking to both pieces, resulting in a torn gasket.

    Oil is topped right up.

    There is no oil sensor on this particular engine.

  • pauls329 Jan 13, 2009

    Fuel in bowl & fat blue spark after stalling.

    If I keep yanking the pull rope, it will "pop", but not start.

    I've got auto trans fluid in cyl now, but it's too cold to be fussing with.

    I've got plenty food, so I'm not too worried about being snowed in.

  • pauls329 Jan 30, 2009

    Jan.30...Final Update's working...sort of.

    When first trouble shooting, I removed the spark plug after it stalled, connected & grounded it, & observed a fat, blue spark.

    The problem isn't electrical I said to myself.

    After trying everything else multiple times, I replaced the spark plug, & the stalling problem is gone.

    Now it won't idle unless it has partial choke.

    It will run if I open the choke while simultaniously opening throttle.

    In this condition, it will surge like an old "hit & miss" engine under no load.

    Under load, it runs evenly with plenty of power.

    That's it till the spring...then I'll soak the carb. Right now it's too cold

    Thanks for all the help.



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Had the same problem with my Honda engined mower. you can't see it easily, but there is a very fine screen in the outlet of the fuel tank that gets blocked and fuel will not pass thru it fast enough to refill carb. remove tank and pour fuel in another container . Use a flexible plastic tube in the outlet or make a small wire hook to penetrate the screen,or preferably, remove it. confirm that fuel flows freely thru it, remove any debris, and reassemble. Change spark plug, add fresh fuel,and test. best of luck!!!! Ray

Posted on Apr 25, 2010


Jim Giesen

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If it has been unused for a few weeks remove the float bowl, remove the main jet and clean it, you should be able to see a clean hole through it.

Posted on Jan 08, 2009

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  • Jim Giesen Jan 12, 2009

    Have you pysicaly removed the jets and emusion tube and cleaned the cross drillings in the tube?

    Will the engine run with part or full choke?

    What model is the motor It will start with a G.

    If its a OHV the valves can be checked with out damaging the gasket..

    Have you checked the oil level? the oil alert might be shuting it down. they also have been faulty in the past, IF the oil is at the top of the dipstick, remove the yellow wire that comes out of the side of the crankcase. and try and run the engine..

  • Jim Giesen Jan 13, 2009

    When it shuts down, is there fuel in the bowl when you remove drain bolt? run it in to a cup.

    the valve clearance is 0.15mm in 0.20mm ex

    Is ther spark sa soon as it shuts down?

  • Jim Giesen Jan 15, 2009

    Turn engine over against rotation when it shuts down to see it it has compression. the decompressor can give a faulse reading.

    have you checkred the valve clearance?



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