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Difficulty starting mower. stalls several times before running smoothly. previous owner stated it had been stored for one season. tank had some gas when purchased. it's a Murray model 309008x99a. thanks!!!

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I would drain the gas out, take the fuel bowl off because this bowl hold gas and the gas may be old which built up slimy old gas. While you have the bowl off cleaning it, replace the float and needle. Cost about $5. Re-install and fill with gas.

Posted on May 27, 2010


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Posted on Jan 02, 2017


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Engine smokes on first use this season.oil level is correct.did not smoke when last used previous season.

It probably ok. Smokes because of sitting. If contint bad rings, air filter?

Feb 27, 2016 | Garden

1 Answer

I can not start my J1940 190cc craftsman lawn mower, its not getting gas, although I have a full tank


If you are sure that the mower is not getting fuel, you can also check the following items:

1. Make sure the strainer inside the fuel tank isn't plugged. This can happen after several seasons of use. You will have to remove the fuel and possibly the tank to check. Another way is to remove the hose from the bottom of the tank but be careful - remember this is gasoline and very flammable. Fuel should run freely from the tank and can be drained into another receptacle while you're checking.

2. The fuel line from the tank to the carburetor. After several seasons, fuel lines can swell internally and prevent fuel from reaching the carburetor. This is not that likely but is possible.

3. The carburetor - it may be necessary to remove the fuel bowl to check to see if the float or the inlet valve is stuck. You can try to lightly tap the fuel bowl with the handle of a screwdriver to see if you can un-stick the fuel valve. Do not use a hammer and do not strike the fuel bowl too hard. While you're at it, check the air filter. This should be changed or at least cleaned annually. The carburetor bolts should also be checked to make sure they are tight.

As a general practice, it's a good idea to run the mower dry of fuel for winter (if you have winter in your location). You can also add a product called "Stabil" to the fuel to store the mower for the winter. This product keeps the fuel from spoiling which can lead to sticky parts like the carburetor float valve.

See what your owner's manual says about adding fuel line cleaner to the fuel tank once in a while. Don't use too much.

Jul 21, 2015 | Craftsman Garden

1 Answer

Toro mower won't start

Try adding a good amount of Berryman's ChemTool in the tank and operate the throttle without the choke while cranking a few times. Let it sit overnight and try again. No need to worry about dilution, the engine will run on straight Chemtool. Always run all fuel out before storing for the end of the season to prevent gum and varnish in the carb.

Feb 13, 2015 | Toro Garden

1 Answer

Why does my honda hr214 sx lawn mower starts for 30 seconds then stalls

The fuel inlet tube is most likely clogged with fuel varnish or debris. Remover the carb bowl and slide a thin rod or paper clip up through tube and clean out fuel passage. Spray carb clean up through tube to complete cleaning. Repeat this at the end of the season and then remove gas from tank or use fuel stabilizer available at WalMart or any auto parts store.

Jun 17, 2014 | Husqvarna 160 CC Honda OHC Engine 21 in

1 Answer

I used my tiller one time and the second time I used it, it was hard to start and when she did, she blew white smoke and would not start after that.

This happens frequently after a tiller, mower, snowblower, etc. sits for a season. Your tiller is probably flooded due to a stuck carb float. You can try a quick fix by tapping gently a few times on the float bowl, then pulling the spark plug and cleaning it with a wire brush, and then wiping it dry with a cloth. If you have a new spare plug to install, that is even better.
Try to start your tiller again, and if the same thing happens, your float is still stuck and you may need to have your carb serviced.
You can try one more alternative if you do not want to go through the bother and cost of having your carb serviced (or purchasing a kit and trying to do it yourself), but it is a 50/50 "hit or miss" sometimes it works, sometimes it don't type thing:
Drain all the gas out of your tiller. put about 2 ounces of carb/injector cleaner in the tank, and top off with gas. Give the float bowl a few taps. Now, pull the spark plug..... make sure the spark plug wire is at least 1 inch away from any metal. With the throttle set to full and the spark plug removed, Pull the starter cord 5 or 6 times (if you have electric start, crank it for about 5 seconds). You may see some vapors come out through the spark plug hole- this is OK.
Clean, install, and connect your spark plug (again, a new plug is even better). Give the bowl a few taps for luck, and try and start your tiller again. If the procedure worked, your tiller may run rough for 10 or 15 seconds (maybe even up to a minute or so... let it take its course!), but then smooth out.... if it stalls, don't worry.... Start it back up.
This will often work for tillers, snowblowers, mowers, generators.... pretty much any 4 stroke "lawnmower engine". It all depends on how badly the float is stuck after the engine sits.
You can minimize having this problem in the future (it may still happen, but less often and less severe) by adding a good fuel stabilizer (such as the brand name STA-BIL) to your gas and running for 10 minutes or so before you store your "lawnmower engine" for the season.
If you still have problems, the likely cause is a stuck carb float and the carb will need to be serviced.... but hopes are high that my solution helps!
Good Luck, and Thank You for using FixYa!

Apr 20, 2011 | Garden

1 Answer

I bought a john deere riding mower less than a year ago. i used it last season without any problems. I think the last time i used it, was in august 2010. winter came about, the grass wasn't growing, so...

First, I've had a motorcycle for almost 50 years and have never drained the gas. At one point it was not used for 3 years. It started, I added gas and it ran fine.
Second, next time you are running the machine and it begins to stall, immediately loosen the gas cap. If it starts to run good again, drill out the air vents on the cap.

Mar 09, 2011 | Garden

1 Answer

My mower starts fine, and idles smoothly, but once I start moving, occasionally it will sputter, and the engine will lag a little, then will rev back up and then run smoothly for several more minutes...

Probably a dirty carburetor. Try some carb cleaner in the gas tank. If this is a Briggs engine, and the carb sits on top of the fuel tank, often times the pick up tube will become clogged.. You may have to remove the carb and spray clean it with carb cleaner spray can.
Also, spray the linkage on the carb.

Aug 05, 2009 | Troy Bilt 5.5hp Self Propelled Mower

1 Answer

Billows of white smoke when Toro lawn mower runs

You overfilled the oil. If the mower runs, just go ahead and mow grass until it runs the oil out of the gas tank. Or you can empty the gas tank and fill with new gas. White smoke is not a serious problem. Only a hassle.

Jun 19, 2009 | Toro Lawn Mower With Toro Power Tools

1 Answer

Troybilt self-propelled mower - model 556 won't start

pipe from carb to engine broken. couldn't tell until covers & fuel tank removed. also part of deck holding engine came apart on mine. due to excessive vibration???

Apr 04, 2009 | Troy Garden

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