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My hussqvarna self propelled mower will not start. Changed spark plug,air filter clean ,good gas in it and still won't start.

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Try some starting fluid- remove air filter give it a shot and try again. if it starts it may stay running. if it starts and shuts off you have a plugged carb passage somewhere

Posted on May 17, 2017


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My Briggs and Stratton lawnmower engine won't start. Checked for air, spark, and fuel problems.

Before doing too much more i would pull the flywheel off and check the key has not part sheared.

Jan 28, 2013 | Troy Bilt 5.5hp Self Propelled Mower

1 Answer

Just want to know eaxactly where the air filter is on my poulan pro 22" lawn mower. It won't start and I want to clean it and replace the spark plug.

Before you go thru a lot of unnecessary work, did you hit something recently, or did you put gas in your mower that was sitting in a gas can for a while. If you hit something, your timing is off. If gas fill possibly condensation /water in gas.
Back to your question, you can test your plug by taking it out, leave in spark plug wire, place bottom against engine for ground , and pull the starter cord. If plug makes spark ,it's OK. Air filter is attached to end of carburator in the area of your primer button. Usually one screw holds on the cover to the filter. If the filter is dirty black, change it. If the filter is put up to sun and you can see the light it's OK.
If you wish to get back to me for any additional questions ,I would be more than happy to help you. GOOD LUCK.

Sep 01, 2011 | Poulan Pro 22" Self Propelled High Wheel...

1 Answer

I have a Toro 20" self propelled, electric start

I am strictly Briggs&Stratton. They are hard to start when the fuel tank is half empty. Clean the plug and air filter.

Jun 15, 2011 | Toro Power Lawn Mower

1 Answer

I put new spark plug in and changed gas in lawn mower and now it won't start.

Your mower has to have these things all working in unison to start 1. Compression (the engine has to be in good shape) 2. Clean Air (Check Air Filter) 3. Clean,fresh constant fuel supply (Maybe remove bowl of carburetor and clean/check for debris and/or water). 4.Strong Spark (Remove Plug and ground the body against the engine. Pull starter and check for nice, blue spark.
Sometimes, the problem is as simple as the brass bolt that holds the bowl on the bottom of the carburetor is clogged and needs cleaning. That's because this dual purpose bolt is ALSO the main jet. So if you remove it to clean the float bowl, clean the bolt as well. Use no metal objects on it at all. There are small holes in bottom and along the sides that get gummed up when fuel dries.
Carb/Choke areosol spray cleaner will clean the bolt. Remember, don't scrape it up.
Check all these things. To maybe "coax" the engine to run, remove the spark plug and spray a couple of shots of carb cleaner into the engine. Immediately choke it and pull start.
Some OHV lawn mowers are difficult to start because the overhead valves need adjusting periodically. The Briggs and Stratton website have instructions and specifications for doing this. It is not real complicated and allows for easier starting and much better running. Post back if needed.

Jun 04, 2011 | Troy Bilt 5.5hp Self Propelled Mower

1 Answer

Won't start after 3 seconds it stops

try changing or cleaning the spark plug and scoket

Aug 18, 2009 | Troy Bilt 5.5hp Self Propelled Mower

2 Answers

My toro 6.5 self propelled mulching mower with guaranteed one pull start will not start. It will start for 5 seconds and then shut off. I have changed the oil, filter, and put in fresh gas. Nothing has...


Aug 12, 2009 | Garden

1 Answer

My toro self propelled only runs for a few minutes. I replaced air filter and spark plug, and cleaned out carb. Any ideas?

Have you tried replacing the gas cap? I had the same problem with my mower and did everything you have done, changed gas cap no problem since

Jul 25, 2009 | Toro Lawn Mower With Toro Power Tools

1 Answer

6.75 B and S push mower wont start.

Check the kill switch. It may be stuck in the off position.

Apr 26, 2009 | Troy Bilt 5.5hp Self Propelled Mower

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