Question about Husqvarna Zero Turn Mower Z5426

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Husqvarna Problems intermittent starting issues gas is fine... new mower but sometimes will not fire

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When it won't start have you removed the spark plug after cranking it over like you were attempting to start it cold with the choke on and then inspecting the spark if it's wet then you know it is in fact getting fuel enough to start and you can proceed with the next test which is putting the spark plug back on the plug wire and grounding the spark plugs base against the motor so it can ground and crank the motor over like you again were trying to start it and seeing if your getting a good blue colored spark that is blinking fast and doesn't stop blinking/arching at the plugs electrode. ( shut the choke and throttle positions off and when you ground the spark plug do so away from the plug hole) This test is easier if you have someone turn the key for you so you can watch what the spark plug is doing while cranking it over for about 5 to 10 seconds. If erratic or no spark and assuming you've changed the spark plug or plugs then something is grounding the shut off side of the coil or coils or you have a coil problem.

Posted on Nov 27, 2013


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Posted on Jan 02, 2017

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SOURCE: Husqvarna Ride Lawn Mower does not want to start

I've discovered that if you leave key on battery will be drained to dead. Checking battery with meter shows +12v. When key is turned to start position nothing happens. When you connect meter to battery terminals and put key to start position the meter reads about .250 VDC. Even after taking battery to Advance Auto and have it checked it still does same thing. Eventually I jumped my mower with another battery that was being used in my scooter. Bingo! all worked well with jump. You would probably be able to jump with car battery with no problem.

Posted on Mar 26, 2009

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SOURCE: Husqvarna Mdl YTH2448 Riding Mower - Electric PTO Not Working

It sounds like your charge system is not working. If you jump the battery the engine will run with a weak battery but the pto clutch needs a strong battery to stay engaged.Try this to test it,after you jump it leav the jumper cables hooked up and try to engage the blade clutch,if it runs it is either a battery that wont take a charge or a charge system not working. If you put a volt meter on the battery while the engine is running and the voltage is 13 volts the charge system is working and the battery is bad.

Posted on Jul 31, 2009

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SOURCE: my husqvarna mower starts and

sounds like venting problem...check fuel tank cap for venting hole...

Posted on Aug 14, 2010

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SOURCE: Husqvarna riding mower w/20 hp


There is gas smell in the carburetor because the engine is not starting and carburetor is flooding.

As first thing ensure that there is spark, pull the spark plug wire and put the end near to engine block while cranking. You will see the spark. If there is no spark, check distribution coil and wires.

If there is spark, check if there is fuel pressure, if there is smell from carb, then the fuel pressure should be Ok.
Once you are sure that the pump is doing its job, and that there is pressure, check the carburetor settings. The mixture is probably too rich or too lean, and for that reason it is not igniting.
If it is not a matter of carburetor settings, then the carb must be taken apart to check carburetor filter.

To get parts and diagrams see: Outdoor Distributors - Lawn Mower Parts

Posted on Sep 26, 2010

  • 640 Answers

SOURCE: My Husqvarna riding mower won't start. I was

Check to see if you left the blades engaged. There is a safety switch that prevents starting with blades engaged. Easy to miss, happened to a friend of mine last month.

If this really helpful, please rate.

Posted on Jul 11, 2011

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