Question about Husqvarna Riding Lawn Mower 46 Cut Kohler Yth21k46

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A husqvarna yth21k46 kohler 21hp hydrostatic,5 minutes on it, when cranking it has a clanking noise won't start

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  • rbitc43 Oct 01, 2010

    you can see the top of the engine spinning is that the fly wheel?

  • rbitc43 Oct 02, 2010

    sheila I got it to run by taking out the electronic selenoid? that is screwed into the bottom of the carb that I beleive operates the float and I held my finger over the hole tightly, and it keeps running, I tested the part with a battery and it does retract, I used a multitester on the wire feeding the selenoid and it gets 12 volts, when I put it together turn the key on you can hear the selenoid retract, a small clicking noise, the tractor will sometimes run for a second or 2 but thats it, so either the selenoid is not working properly or its something else?

  • rbitc43 Oct 02, 2010

    I bought the tractor at lowes cheap because it wouldn't run. I learned that the gas smelled like varnish so I cleaned the tank flushed the fuel lines, carb, but It only runs if I take the selenoid? off the bottom of the carb hold my finger over the hole and, I put the selenoid back on it won't run but for a second or 2 , I tested the selenoid? with a battery it does retract like it supposed to, I tested the wire supplying the selenoid it gets 12 volts, so its either not working exactly like it should, or what regulates it isn't working right, I think the knocking noise was because of not starting and properly lubing, because when I did have it running it sounded good. thank you ps tomorrow I'm going to replace the selenoid? on the carb and take it from there.

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Don't ever crank it again. They forget to connect something at the factory. Do any more, and they'll fight you not to fix it. Now, call them and make them fix it.

Posted on Oct 02, 2010

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If this machine only has 5 minutes on it, and is having this kind of problem, my advise would be to take it back pronto and get a replacement or another unit. Whatever this noise is, it isn't ever good, and can be expensive to fix by the time you hear it.
Does the mower have oil? Is anything else engaged when the motor is cranked? Never owned one of these, so I'm not sure of their operation.
If your warranty is still in effect, I would take it back. Whatever this noise is, it can't be a good thing.

Posted on Oct 01, 2010

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There is something known as BENDEX on the starter motor. If this goes bad then you hear the clanking sound and the starter pinion does not engage the flywheel. Sometimes it does engage and the machine starts. It can be repaired if the fault is minor or it has to be replaced if fault otherwise. This can be ascertained only after opening it.

Posted on Oct 01, 2010

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