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Fixing a Lawn Mower That Won't Start


Gold Post Medal for All Time! 899 Posts
May 10, 2013

mowing the lawnWe have a Craftsman mower (with a Briggs and Stratton engine) that we have not taken very good care of. Not only did we not remove the gasoline before wintering it over, but we also did not maintain the air filter or spark plug. So it was not surprising that when we went to use it this spring it wouldn't start. However, with these simple steps we were able to get it running as good as new.

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Total Time: 20 minutes

Supplies:

  • spark plug
  • air filter
  • fresh gasoline
  • carb cleaner
  • gas siphon
supplies
 

Steps:

  1. Begin by siphoning out the old gasoline into a container for proper disposal. It is best to use one intended for this purpose, instead of using your mouth and a hose.
  2. siphon out gas
     
  3. Now add fresh gasoline and put the cap back on the gas tank.
  4. add fresh gas
     
  5. Remove the spark plug using a spark plug socket. Put the new plug in and reattach the wire.
  6. remove spark plug
     
    old and new spark plugs
     
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  7. Open the air filter housing and remove the filter. Some air filters can be washed and reused, however if it has been a long time you may want to just replace it.
  8. take out old filter
     
    dirty air filter
     
  9. Once the filter is out you need to spray carb cleaner directly into the carburetor. A few good sprays should do.
  10. spray carb cleaner
     
  11. Put the new air filter in and close the housing door.
  12. put in new filter
     
  13. Now is a good time to try starting the mower. Be sure to prime the mower with the priming button. It may take a few tries to get the mower going.
  14. start mower
     
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  15. I suggest running it for a few minutes the first time you start it. This will help get the new gas running through everything. Happy mowing!
Read More Comments

March 23, 2006

I'm looking for assistance in getting my gas lawn mower to start more easily. Last year I had minor back surgery. After that I had trouble pulling the cord hard and fast enough to get the motor to "catch" and run. I often ended up needing to pull the cord over and over to start - probably as many as 20-25 times.



It was maddening, frustrating, painful, and exhausting. I'm 58 years old and not in the best physical condition. The mower is 7 years old. I do all the recommended maintenance. Last year my neighbor was able to get it going in 6 or 7 pulls, so I don't think there's a mechanical problem. It's probably just me. I'm not currently in a financial position to buy a new mower or to hire a lawn care service.
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Does anybody know anything I can do to make it easier for me to get the mower started? Thanks for any help.

Hardiness Zone: 5a

Amy from Lafayette, IN

Answers

By Kayray (Guest Post)
March 23, 20060 found this helpful

does it have a gas primer button? I have to push mine about 20 times, then it starts easily. Sorry I don't have any other suggestions, other than make sure the spark plug is good, or call a neighbor kid to come over and start it for you.

 
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August 6, 2007

Lawnmower problem. Bought a new Poulan self-propelled in June 07. Briggs and Stratton engine. Very hard to start. Have used twice. Requires maybe 30 compressions of the primer (3 is recommended). I think it's a lemon--but are mower lemons returnable? My guess: needs some carburetor adjustment. Anyone have advice?



Robert

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April 15, 2008
Click to read more ideas from older posts on ThriftyFun.
 
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July 31, 2008
Click to read more ideas from older posts on ThriftyFun.
 
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September 8, 2009

When I try to start my mower the first few times it seems to try to start, then the next time it's silent. What's wrong with it?

 
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March 22, 2010

I tuned up my Scott 6.5hp push lawnmower. I changed the oil, spark-plug, put in fresh gas and a new air filter. The mower started, ran for 1 min, then shut off and will not start again. Can anyone tell me what might be the problem? Thanks.

By mike from Houston

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May 16, 2010

I just tried to start my push mower and the cord is sticking, not pulling out all the way. Also gas is squirting out of the carburetor every time I try.

 
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June 17, 2010

I have a Troy Built lawn mower. I have already used it this year, but when I went to use it today, it just sputtered and wouldn't start. Any suggestions?

 
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October 7, 2010

I have a 2010 Briggs and Stratton push mower that won't start. It has new gas, the carburetor is clean, and it has a new spark plug. Could it be the fuel filter, and where is that located?

 
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December 3, 2010

I have a Troy Bilt push mower with a 6.75 engine. It has no spark from the plug wire. Any ideas?

By parkercarsfly from Columbus, OH

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January 31, 2011

I have a pretty new lawn mower that won't start. The blade won't move and the cord won't pull freely.

 
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September 3, 2011

My mower has 12 volts at the starter, but it will not engage the starter.

By Bob


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June 18, 2012

My Honda HGR 536 lawnmower is not starting. I have tried all the normal things, ie. change spark plug, checked the spark, and made sure it has enough fuel and oil. I also checked that the cut of fuel tap is in the correct position.

By S Jarratt from London, England

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August 20, 2012

I haven't used my mower in about 2 months. I tried to start it today, no luck. I dumped the old gas out and cleaned the filter just like the internet said to do. I just purchased it in May of this year. What do I do?

By Larry

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July 20, 2013

So what is the next step, when the primer doesn't seem to be working properly?

By Cynthia E.

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November 14, 2013

I have a Craftsman mower, model #917375622. I cleaned the carb and it starts for about 8 seconds then dies. It's fairly new, but I can't get it to keep running. It has a good plug and filter; choke works. What now? Should I try recleaning the carb again?

By Matt

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January 6, 2015

I have a Briggs and Stratton classic/sprint/quattro, model series 90,000-100,000. I just need a belt, but what size is it?

By Mike from Morbihan, France

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March 16, 2015

I have a Craftsman 6.5 HP self propelled mower. It is maybe 10yrs old and runs great once I get it started. I have the problem every week. I have to prime 15+ times, then pull the thing until my arm is about to fall off. I have had it serviced, oil, plug, carbkit, and the base air cleaner replaced. This one has the primer bulb. It is not bad gas, I drain and run it out every year. Once I have it started it will run and restart without an issue. A week later, same issue.

By Ken

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