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searching for lawn mower repair advice Rick 04-24-2008
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Posted by Jim Elbrecht on April 25, 2008, 8:05 pm
wrote:

-snip-
>My fear is that I'll have to replace the whole carb.and that a kit
>won't help me.

I wouldn't waste time & effort on a kit. Carbs for most mowers can be
had for about $40-50.

The kit ill cost you about $15, take a few hours to rebuild- and
results are unknown.

Pat's small engines plus is my first stop these days when carbs give
me trouble-
http://www.psep.biz/index.htm
[no connection other than satisfied customer]

Jim

AppliancePartsPros.com, Inc.
Posted by gpsman on April 24, 2008, 12:33 pm
>
> What has happened to it since it last ran properly?

In my ICE experience (not extensive, but substantial) this type of
problem always seemed to be fuel supply.
-----

- gpsman

Posted by PaPaPeng on April 25, 2008, 12:04 am
On Thu, 24 Apr 2008 09:33:42 -0700 (PDT), gpsman

>>
>> What has happened to it since it last ran properly?
>
>In my ICE experience (not extensive, but substantial) this type of
>problem always seemed to be fuel supply.
> -----
>
>- gpsman


Don't know if your engine is a two stroke or four stroke. If two
stroke, and it is an older engine, it is quite sensitive to the
oil-fuel mix ratio. A bit too rich and what you have just experienced
will happen. My lawnmower, gas trimmer and snow thrower went through
all the cleaning and adjustments in their time. All three couldn't
have the same sickness. So I figured it must be the oil-fuel mix
ration (all three have different ratios). That fixed their problems.

Mix a correct fuel batch. Dilute a cupful of the mix by adding double
the fuel. Start the engine with this low oil mix and run to burn off
the excess oil. If it runs smoothly for two minutes top up the gas
tank with the correct mix and run some more. See if that solves the
problem.

Posted by Oren on April 24, 2008, 2:45 pm
wrote:

>
>Hi;
>
> I've got a Tecumseh mower engine that will start but runs for a
>second or two then dies.
>
>I've read through some posts on this list discussing the same
>problems.and followed the advice; fuel lines are clean, the carb. bowl
>fills up with gas when primed, Needle valve seems intact and opening
>is clear. I've removed and soaked the carb. in paint thinner and blew
>out the openings with air. Scrubbed it and reinstalled it.
>
>No change in operation though. The air cleaner is not even installed
>at this point so I think that can be ruled out. The little tube is
>sticking out in the open air (yes, the tube is clear) Choke linkage
>also appears to move freely.
>
>The engine is a Tecumseh LEV 120.
>I got on their website but was not able to download an owners manual.
>
>Any advice appreciated,
>Rick

Check the fuel cap vent or use a paper clip / wire to ensure it is
clear. Will the engine run longer with the gas cap removed?

Check the choke butterfly; see if it is sticking...


Posted by Bob F on April 25, 2008, 3:45 pm

>
> Hi;
>
> I've got a Tecumseh mower engine that will start but runs for a
> second or two then dies.
>
> I've read through some posts on this list discussing the same
> problems.and followed the advice; fuel lines are clean, the carb. bowl
> fills up with gas when primed, Needle valve seems intact and opening
> is clear. I've removed and soaked the carb. in paint thinner and blew
> out the openings with air. Scrubbed it and reinstalled it.
>
> No change in operation though. The air cleaner is not even installed
> at this point so I think that can be ruled out. The little tube is
> sticking out in the open air (yes, the tube is clear) Choke linkage
> also appears to move freely.
>
> The engine is a Tecumseh LEV 120.
> I got on their website but was not able to download an owners manual.

http://www.small-engines.com/
http://www.repairfaq.org/sam/lmfaq.htm




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