Question about Toro Lawn Mower With Toro Power Tools

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Lawn mower works when primed, but will pump gas to continue running.I tried to clean the valves.

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If its a briggs engine then the nole in the bottom of the carb bowl( looks like a half in nut) is partially clogged. Clean oit with a torch tip cleaner or fine wire. If its a tecumseh engine then the nole thats deep inside the carb that has 2 orings on it is clogged the same way, remember to replace both o rings if you remove them/

Posted on Nov 17, 2009

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I have two craftman push mowers that will start when primed, but, they won't continue to run ! I have rebuilt the carbs. Help !!


Did you check the Seat inside the Carb??
The rubber seat melts with ethanol gas and then the hole is too small to support the running engine even when the Needle valve is allowing gas past.
Did you unscrew the long jet and clean those tiny holes?

Aug 31, 2015 | Garden

1 Answer

It will start after being pumped/primed but cuts off. If I continue to pump it will continue to run. It appears that it is not pulling up gas.


The carb is dirty and plugged up. It is probably to the point of having to be removed and cleaned. Hope this helps. Please vote yes, thank you.

Nov 02, 2010 | Yard Machines 158cc Push Lawn Mower #11a...

2 Answers

I can get my briggs & stratton push mower to


Your carb needs to by cleaned out. Needs to be taken apart and cleaned with carb cleaner. There is also a gasket that needs to be replaced. It collapsed and not letting gas in the carb.

Jul 07, 2010 | Poulan Pro 22inch 625 Series Briggs ...

1 Answer

Brand new 550! push red pump button 3-4 times... pull handle..mower starts up then dies. Will not continue to run..


Sounds like wet fuel! The priming puts enough gas in to start it but the running circuit does not.

Check your gas can for a layer of water on the bottom of it. If it has a lot of water in it you should dispose of this fuel at a gas station that collects used oil and gas. Drain the mower and take that gas away too.

Put in fresh gas from a known clean and dry source.

Let me know what you find ok?

Good luck and be careful!

Jun 29, 2010 | Craftsman 550 Torque 22 in Deck 2n1 Side...

2 Answers

Won't run unless you continue pushing priming bulb


sounds like the carburator needs to be cleaned out and a new needle and seat valve installed along with a gas tank cleaning and all new fuel and a new air filter.

Jun 21, 2010 | Toro Lawnmower 20099 Mower Mowers Lawn

1 Answer

I can crank my murray gas lawn mower 6.5 quantum


Sounds like you will need to clean your carburetor.
Sometimes you can get by with priming it a few times, and letting it
run a few times like that and it will flush the gunk out of the jets,
but most of the time you will need to rebuild the carburetor.
If the mower is over a couple years old, then I also recommend that you
buy and install a new carburetor repair kit, because the diaphragm will
get hard and that will cause it to be hard to crank.
When you clean your carburetor and remove the jet screws, count the
number of turns it takes to seat the jets from their original position.
That way when you go to put the jets back in, you know how many turns
they were in/out.
Please rate me, Thanks
Good Luck, I hope this helped

May 08, 2010 | Briggs & Stratton Lawn-Boy Insight Series...

1 Answer

Wont continue to run after prime and start


often the last ounce of gas in the tank has some crud in it. Get a can of carbeurator cleaner spray. Remove the air filter and squirt three short bursts of the cleaner spray into the air port and then start it. Keep giving it short bursts of carb. cleaner until it runs smoothly again.

Aug 12, 2009 | Troy Bilt 5.5hp Self Propelled Mower

1 Answer

Can't start toro mower. cleaned spark plug , new air filter . will run for 2 or 3 seconds on prime , then stalls ,will fire every time , but won't continue to run what next? 22" self propelled...


Hello:

There are 2 Possible Causes for this Problem.
1- The Carburetor Requires Soaking and Cleaning.
2- The Valve Clearances Require Setting.
You can View a Breakdown of this Unit at the Following Site Addy.
https://lookup3.toro.com/partdex/default.cfm
Hope this Helps.

Good Luck

Respectfully

John

May 09, 2009 | Toro Lawn Mower With Toro Power Tools

1 Answer

6 yr old mower starts, won't run


sounds like a plugged high speed jet in carb - you can attempt to prime again , push at least 7-8 times - once it fires continue to push primer to keep running - it may clear out the carb if this doesnt work the carb will need to be removed and cleaned

Sep 27, 2008 | Garden

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