Question about Craftsman 17.5 hp 42 in. Deck Lawn Tractor - CA Model

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Lawn mower engine stopped aND gas flows out of

Riding lawn mower engine stopped aND gas flows out of top of carburetor when restarting

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The float is stuck or damaged and sinking.

Posted on May 27, 2010

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Posted on Jan 02, 2017

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Hard stating flooding


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    Basic Troubleshooting - Lawn & Garden Tractors - Cub Cadet

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    Sep 13, 2002 - Engine fails to start, Engine flooded, Crank engine with throttle in FAST... Engine runs erratic or stalls, Tractor running with CHOKE activated ...


Jan 25, 2016 | Garden

2 Answers

Why is my riding lawn mower acting like its running out of gas?


probably needs carb rebuilt and needle and seat put in

Aug 25, 2014 | Garden

1 Answer

Craftsman riding mower dies after it gets warmed up


Check the choke. Typically these are automatic types on most new mowers. The choke is closed during cold starts then automatically open as the engine warms (think of it like a car that fast-idles in the winter, then slows down as it warms...it's not exactly the same thing, but in theory works on the same principle).
What could be happening with your problem is that the choke is stuck closed or partially closed, and remains closed after the engine warms. When the choke is closed when the engine is warm, it floods the engine with fuel and stalls (and can be difficult to restart, if you can get it to restart).


To test if this is your issue, operate it until it's warm and quits. Remove the air filter and check that the butterfly valve at the top of the carburetor is open. If it's closed, open it all the way (might have to put a screwdriver, or something in there to hold it open), then try to restart it. If it's open all the way, there is likely a fuel flow restriction to the carb, or in the carb, but these problems typically cause problems running the engine hot or cold.

Two recommendations.
1. Remove carburetor, and clean with spray carb cleaner. The choke is the butterfly valve visible where the air filter attaches. Check the linkage for debris, bent or restricted linkage. After cleaning and re installation, check for free movement of butterfly choke valve.
2. Prevention. There is not a lot that can be done, but to clean the carb/choke and throttle linkage during spring tune up before first use. May require more cleaning depending on amount of use. ALWAYS USE 100% GAS, NO ETHANOL. If you must use ethanol because 100% gas in unavailable, always mix with an additive that neutralizes the effect of the ethanol. Infrequently used engines (unlike cars) that use ethanol are prone to problems because the fuel system retains water. Carburetors do not like water, cause corrosion, and repairs can be costly. For example, Someone just gave me a nice (fairly new) Bolens Riding Mower (38" B&S engine - worth about $800 ) that would not run, they just got tired of it not running right and the cost of repair shop work was about $200. I bought a $65 carb on Amazon and now I've got a nice new riding mower. They saved $.50/gal on gas and I saved $740 on a new mower...yeah, baby!

Sep 02, 2013 | Craftsman Garden

1 Answer

Smokes a lot on starting runs for 2 min. then stalls


check oil level. See if it's high. sometimes when carburetors start to go bad, they let gas flow into the carburetor throat that ends up in the cylinder and down into the crankcase. does the oil smell like gas?

Aug 26, 2013 | Yard Machines 155 Torque Briggs Stratton...

1 Answer

Gas somehow is getting into oil reservoir. Twice now. Initially thought it was operator error. After second time, know it is the mower. Craftsman 17 hp 24 inch riding.


I would check the carburetor float to ensure that it stops gas flow once it is full. It is possible that the float is stuck and gas is getting to the top of the engine and getting past the rings.
Gary

Jun 29, 2011 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

1 Answer

I have a 7 year Craftsman 17.5 HP 42 in. lawn tractor. It starts to leak gas recently and stops frequently after running over 30-40 minutes. I can not identified where is the gas leak from but I saw gas on...


I have a Craftsman mower. Last year I had a similar problem with the mower stopping after running awhile. I noticed that the plastic gas tank was collapsing. The next time it began to stall, I immediately loosened the gas cap and it didn't stall. The vent holes in the cap had plugged up. Check this out.
I can't help you locate the fuel leak, although it sounds like the carburetor float is not stopping gas from flowing into the carburetor.

Dec 02, 2010 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

3 Answers

Murray riding mower 12.5 hp briggs & stratton spitting oil & gas out of carb & muffler when trying to start


Drain oil... it is full of gasoline due to a bad float pin and rubber gromet in your carb. When your float pin and gromet fail, gas just keeps flowing into your carburetor, eventually flooding your motor with gas and oil mix.

Jul 07, 2009 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

2 Answers

Cub Cadet 2165 engine surges and eventually stalls


Replace the fuel cap!!! The problem is that hte fuel cap vents from it's underside. In so doing it sucks up all of the grass debris and dust that hte mower deck kicks up and the vents get clogged up. As the engine uses the gas, it builds up a vacuum in the tank and the gas can no longer flow from the tank to the engine.

Jun 15, 2009 | Cub Cadet Street Sign- tractor lawn riding...

1 Answer

Possible carburetor problem? Mower runs for


i have a lt 1000 2005 when i start it with cold engine it boggs for a minute then it starts to run smoothly please help me

Apr 19, 2009 | Craftsman Garden

1 Answer

Lawn Mower begins then stops before in use


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It means that either not enough gas is getting into the engine. The gas you pump in when you prime is enough to start the engine but not to keep it going.


There could be several things that cause this.
1. Old fuel:
Solution: Replace the fuel. Dump out the old stuff. If it is a year old it won;t work.

2. A dirty carburetor:
Solution: Clean the carburetor.
Easy carb clean:
Pull the bowl off and use carb cleaning solution to clean it. (you can buy carb cleaning solution a Wal-Mart in the automotive section. I have also heard acetone will work but I have not tried it.) Make sure not to loose the little parts like the pin.

Better carb clean:
pull the carb off the machine and clean each part with carb cleaner. There is a youtube video someone else posted on how to do this.

3. Your gas/air flow is not adjusted properly.
To check:
Pull off or out the air filter. Try to start it.
Solution:
If the machine runs longer there are two options: The air filter is dirty so replace it, or the air flow is not adjusted proberly. There should be a screw like thing sometimes called the "main jet" that you turn to adjust the air flow. It is on the carburetor side or bottom.
If the machine dies faster or won't start there is probably too much air flow and by removing the filter you added more air. Adjust the "Main Jet" as above.



Apr 15, 2009 | Craftsman 10.5 Hp 33" Commercial Cutting...

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