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Manage My Life

26HP Kohler tractor (917.276920) does not start.

by Manage My Life Last activity date:
February 18th, 2011

My lawn tractor does not start. The flywheel spins with the turn of the key, but does not fire. Both spark plugs are firing and brand new. Fuel line is NOT frozen. Usage of starting fluid only fires about once and does not keep the engine firing for any length of time. I'm wondering if the fuel is being drawn in the engine or not. Is there anything left to do other than draining the fuel and replacing it, replacing the fuel filter, or taking the carburetor off and cleaning it? The mower worked fine for my last mow of the season before using it to snow plow, but a month later .... nothing. Any advice would be great.


Thanks,

Mark

Tags:
Lawn Tractors , Lawn Mowers
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Answers (7)
Manage My Life
Well, that would make sense. If you raise up/down on the seat the engine will kill itself and when you sit back down on it quickly it will usually backfire a little and then catch back up. I've had situations with a very light weight customer bouncing on their seat across a rough yard and it backfiring like crazy and ending up with a bent pushrod.

I'm glad you were able to get it back running again. If you do notice any backfiring try and make mental notes about what you were doing right before you noticed it. If there isnt anything abnormal about what you are doing it could be water in the fuel or trash in the carb causing it to backfire.

If we can assist with anything else, just give us a shout. Have a great weekend!
by Manage My Life
February 18th, 2011
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Manage My Life
He asked me if the last time I used it if there was any back firing the last time it actually ran. I told him no. He was quite confused and was attributing it to cold weather. After he got the push rods installed and ran it for a bit, he would lean one way or the other to operate the handle for the plow blade and noticed that the seat switch was tripping when he leaned. So he adjusted it to be "less sensitive" so that the safety would not inadvertently stop everything. So I'm guessing that he thinks that I got up too quick or something the last time I used it. Go figure.
by Manage My Life
February 18th, 2011
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Manage My Life
Did they tell you why both intake pushrods were bent? that's very unusual to have them both bend. I certainly didn't see that coming.
by Manage My Life
February 18th, 2011
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Manage My Life
FYI ... two bent intake push rods. $125 parts and labor at a local place. Just in time for warm weather with my plow still on the front. :-P
by Manage My Life
February 17th, 2011
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Manage My Life
Your engine should have a fuel pump mounted just above the rocker arm cover on one side or the other (usually the left side). There will be 3 hoses connected to it; one goes to the carburetor. Take the hose that leads to the carburetor off (either end of it is fine), then turn the engine over as if to start and make sure gas spray out of the hose.

If the pump produces no gas there is either a blockage in the line or the pump is bad. If there is gas (I suspect there will be) we will be looking at an issue with the carburetor. If the machine sat for more than about 4-5 weeks with fuel in it there will almost certainly be an issue with the carburetor.

After about 4 weeks gasoline will begin to break down. The deposits left behind when the gas breaks down can cause all sorts of problems in the carburetor and the way the engine runs, if you are able to start.

If you determine that the fuel pump is working I recommend you get a can of spray carb/choke cleaner and take the carburetor down for cleaning.

Thank you for using Manage My Life!
by Manage My Life
January 20th, 2011
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Manage My Life
My problem is not the starter or the starter solenoid since it spins the flywheel. Where is this fuel shut off solenoid? My fuel line is a consistent tube from the tank to the fuel filter chamber to what looks like a fuel pump that works off of a vacuum since no wires go to it. From there is goes directly into the engine
by Manage My Life
January 20th, 2011
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Manage My Life
Having the tractor not working can be a big inconvenience. I placed a link down bellow where an expert provides further information upon your issue. I hope that you find the information helpful and also helpful.
Answered in 8 minutes
by Manage My Life
January 18th, 2011
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