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

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I found Gasoline inside My Craftsman riding mower engine, this is the third time I have to drain it and replace it with new oil, somehow gasoline is flowing inside and I have no idea where it is coming thru

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  • Jim Parker
    Jim Parker Oct 04, 2010

    Are you getting blue smoke when you run your mower?

    Jim

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There is a fuel shut off solenoid on the bottom of the carb and it is most likely stuck open. The gravity flow of the fuel causes it to force through the carb, through the intake valve, through the cylinder and then into the oil sump.

Posted on Oct 25, 2010

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Posted on Jan 02, 2017

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B&s engine on mower turned upside down, won't start now.


Take the spark plug out, turn ignition key or pull rope until the engine turns over several times. Let it sit for about 5 or 10 minutes and repeat. Replace the spark plug with a new one. Make sure that your crankcase is not over filled or under filled with oil, and make sure that there is plenty of gasoline in the tank. Make sure that gasoline cap and oil cap are on "securely". Now try to re-start. (The engine may smoke for a while, but it should clear up in a few minutes).

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I have a 15.5hp Craftsman riding mower with a 42inch cut I keep getting gasoline under the OHV valve cover and in the oil pan !!!!! The motor won't turn over !!!!!! I adjusted the valves and it started...


Needle valve and seat is the first place I would look. Sounds as though your needle valve is sticking in the carb. Since the needle valve and seat is the only way gas enters your engine, it fills the carb bowl, then because it's sticking/leaking, gas starts running into the engine.
Look for trash in the bowl when you remove the bowl. Shut off/drain the gas then pull the fuel line to the carb, pull the carb and spray some cleaner into the fuel inlet after you remove the float and needle valve.

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1 Answer

I have Gas in my oil sump and sprays mixture out exhust when trying to start mower


what has happened is the rubber seal on the needle and seat has dried out and fuel is leaking passed then the carb overfills and then the gas flows into the cylinder and crankcase

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What type of gas to use in a craftsman edger 358.773110


FUELING ENGINE This engine is certified to operate on unleaded gasoline. Before operation, gasoline must be mixed with a good quality 2-cycle air*cooled engine oil. We recommend Craftsman brand oil. Mix gasoline and oil at a ratio of 40:1 (A 40:1 ratio is obtained by mixing 3.2 ounces of oil with 1 gallon of unleaded gasoline). DO NOT use automotive oil or boat oil. These oils will cause engine damage. When mixing fuel, follow instructions printed on container. Once oil is added to gasoline, shake container momentarily to assure that the fuel is thoroughly mixed. Always read and follow the safety rules relating to fuel before fueling your unit.

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Oil leak on riding Craftsman LT2000 (Kohler)


Fortunately, the engine oil doesn't go through any rubber hoses, so they are mouse-proof. The oil probably leaked out through an engine seal. Oil on the engine surfaces would smoke when it gets hot. Check your oil level and top it up if necessary, before you run the engine again. The engine can run fine even with a slow oil leak; you just have to watch the oil level from time to time. The leak could be easy to fix - by tightening up a few bolts -- or expensive.
The gas runs through rubber hoses, though. If mice ate through that, I think you would have smelled the gasoline, and the engine wouldn't run for more than a few seconds. But if you see a severed hose, you should replace it. Take it off and bring it to a mower shop or auto supply shop, and buy something the same diameter. Inexpensive.
Hope this helped! If so, please rate my answer, thanks!

Jun 07, 2010 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

1 Answer

Gasoline in the crankcase


If, inside of the carburator the needle and seat does not close (dirt in carb) the fuel will slowly keep pushing through the carb,through the intake into the cylinder then into the crank case.
Do not run this engine until the carb. is rebuilt. The float in the carb.also needs checked to be sure it still floats and its at the exact factory setting.
Also have a new inline fuel filter installed.
Check for dirt in fuel tank.
Keep the air filter clean and in good condition.
I hope this helps you.

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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...

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