Lawn motor wont start and leaks gas

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  #1  
Old 05-12-05, 01:11 PM
jeeper01ca
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Lawn motor wont start and leaks gas

Hi group,
My Sears gas lawn motor been sitting in my garage for 3 years, last week I took it out, changed the oil, spark plug, filled it up (fuel) and it wouldn't start, as a fact, It was leaking gas, until about 1/2 the fuel tank, this leak was coming from the point where the airfilter attaches, I took it (air filter) out and it kept leaking.
My guess is the carburator. maybe an O-ring somewhere.

Any suggestions?
Anyone has a schematic diagram of sears lawn motor?
 
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  #2  
Old 05-13-05, 12:53 AM
cheese's Avatar
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I am going to assume this is a Tecumseh engine (sounds like it from the info in your post). The needle and seat are not sealing in the carburetor. I imagine the float is stuck in the down position, and a good carb cleaning may be all that it takes to get it going again.
 
  #3  
Old 05-15-05, 06:14 PM
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Join Date: Jul 2004
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carburetor

My neighbor had the same problem with his 18hp lawn tractor. The problem was the float was sticking.

I had a similar experience. I picked up a MTD 5hp that was sitting in a garage for 10 years and only run once. I poured gas in the tank and gas began pouring out the carburetor. I rebuilt the carburetor, kit was around $10.00. The black rubber gas hose going to the carburetor from the fuel tank was dry rotted so I replaced that. After doing this the engine starts usually on the first pull. It does look like you may have a carburetor problem. I you have a gas line hose going to the carburetor look at it carefully where the clamp is. Some hose clamps can cut into the hose causing a leak. dave
 
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