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I have fuel in with my oil on my ride on mower

We havent used it for a couple of years, pulled it out to do mainenance, drained oil and it has fuel in with it , how can this happen , how do i fix

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Are you sure it is gas and not water? If it is gas, then it has seeped past the needle valve in the carburator. The needle and seat are very inexpensive and fairly easy to replace.

Posted on Dec 15, 2008

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Craftsman riding mower fuel in oil


the needle and seat in the carb are not sealing the cab over fills and the fuel drains into the crankcase some times you can get lucky and change the needle and seat and at times you need to replace the carb ether way add a fuel shut off on the supply hose and use it when ot using the mower

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Gas in oil? How can I flush/clean out old oil to replace with new? I have drained oil twice, but still dirty/with gas is draining out.


have you repaired the gas getting into the oil?the needle valves in the carb melt from the new fuel then overflows into the crankcase changing it a couple times should get it out

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I have a 2cyl Mantis that has a problem. The pull cord pulls very hard. When I take out the plug the engine turns over ok. Was ok at the end of the last season, I drained it and put oil in cyllinder. What...


pull it a few times to get the oil out off the cylinder 2cycles dont run on heavy oil well put fresh plug
in with gas and oil and try again you did use oil and gas mix last year right

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Toro CCR2450 Snowblower - was tuned up every year and worked fine. Last year sat empty in garage and never used. Added gas/oil combo and white smoke is billowing out. Any idea of cause?


Hello,
My name is Dane and I am going to try to help you solve your problem. Are you sure nothing is rubbing outside the engine creating the smoke? If this smoke is indeed coming from the exhaust, I would think that your problem has to be in your fuel. You may have mixed too much oil in the mixture or it has been contaminated with water. Remove your spark plug and make sure it isn't oil fouled. If you find it is, drain your fuel and either clean with a wire brush or replace the plug. Refill with properly mixed fuel and you should be good to go. It may smoke for a couple of minutes until the fuel in the lines works through the carb though. No harm done.
I hope I've helped. If you found this information useful, please leave feedback as deserved. Thank you! Dane

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1 Answer

Weedeater 20" push mower 300 series 4.5 hp B & S The engine kind of dies down from time to time, it doesn't completely quit. I was wanting to know what that might be and I was also needing to know...


you have water in your fuel tank, drain the tank by using a catch bucket and tip the mower sideways to empty out the fuel tank. replace with fresh fuel. Use any motor oil rated at 10W30 for the oil change.

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I have a riding lawn mower. It starts up ok, then light blue smoke starts coming from the engine. The smoke is so thick I can barely see my hand in front of my face. The engine is only two years old and I...


Is the crankcase full of fuel? Remove the dipstick from the engine ( do not wipe clean) and walk away from the engine and in a safe manner hold a lighter to the dipstick. If the dipstick lights and burns then there is fuel in the oil.
If there is fule in the oil then drain then change your oil and rebuild the carb being sure to replace the inlet needle. It is also a good idea to install an inline shut-off valve in the fuel line. Then start and run it again. It will take about 5-10 minutes to burn out the residual oil/fuel from the exhaust. After that it should clear up and not smoke anymore. Dont forget to shut the fuel off when the unit is not in use.

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Craftsman 24Hp Lawn tractor engine dying out


1. check the oil level... don't want the auto shut off to be the problem due to low oil level
2. pull the carb bowl and check for residue. Spray out the needle valve in the carb, spray out the bowl and any jet openings you can find...spray them out too.
3.When you winterized, did you put fuel stabilizer in the tank? If not, drain the tank and refill with fresh...
4. check the air filter element and make sure it is clean...

let me know how it goes...

k

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I have a Murray 36" cut riding lawn mower, with a 11 hp Briggs engine. the problem, I am having, is it is getting gas mixed in with the oil. when I drained the old oil, it had a strong gas odor. I...


You need to rebuild your carburetor and fuel pump.
Once done, change the oil again.

You might want to consider adding a fuel shutoff valve to your fuel line between the tank and filter. It is a great convenience if you do your own repair work.

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2007 Toro LX 425 Riding Mower, slow cranking.


check the starter see if it is going bad or not?

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