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Posted by Manjo on April 16, 2008, 10:30 pm
I have a leaf blower that uses a 5 hp B&S "L" head engine. The carb
is pretty simple with a choke butterfly, throttle butterfly, and
rubber diaphragm fuel pump. The carb sits on top of the fule tank.
The carb has no bowl. The governor linakges are clean and the
governor appears to be working fine.
The leaf blower was starting to run poorly last fall. This spring it
started right up, but after4-5 seconds after running smoothly at
proper speed, it will slowly loose rpms and finally stop after 15-20
seconds.
I have cleaned the pick-up tube, replaced the carburetor diaphragm
fuel pump along with the gaskets between the carb and the fuel tank,
and the gasket between the carb and the engine. I've also
disconnected the engine ground wire that normally kills the engine
when the throttle is tuned full off. But after doing all this the
engine still will not stay running for more than 30 - 40 seconds.
Thanks in advance for any tips, suggestions, or coments.
Manjo
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Posted by gpsman on April 16, 2008, 11:31 pm
> the
> engine still will not stay running for more than 30 - 40 seconds.
Got to be spark or fuel, sounds like fuel. Assuming this is a 2-
cycle, how's the fuel mix? I always like to check the simplest thing
first.
Other than that, you'll have to hold it up to the interweb so I can
hear it.
-----
- gpsman
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Posted by S. Barker on April 17, 2008, 1:01 am
when was the last time you saw a briggs and stratton TWO-CYCLE!?!
s
>> the
>> engine still will not stay running for more than 30 - 40 seconds.
>
> Got to be spark or fuel, sounds like fuel. Assuming this is a 2-
> cycle, how's the fuel mix? I always like to check the simplest thing
> first.
>
> Other than that, you'll have to hold it up to the interweb so I can
> hear it.
> -----
>
> - gpsman
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Posted by Jeff on April 18, 2008, 4:19 pm
"S. Barker" wrote:
> when was the last time you saw a briggs and stratton TWO-CYCLE!?!
Although the original poster's engine is a 4 cycle, B&S certainly has made
two cycle engines, and I believe they still do, at least for some snow
applications.
http://www.briggsandstratton.com/images/bsshop/100/ec_l_800100.jpg
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Posted by S. Barker on April 18, 2008, 4:40 pm
Well then i stand corrected. I had no idea they'd try that market. I guess
they figgered they failed the four stroke test. (they USED to make the best
4 stroke on the market, now they're junk)
s
>
>
> "S. Barker" wrote:
>
>> when was the last time you saw a briggs and stratton TWO-CYCLE!?!
>
> Although the original poster's engine is a 4 cycle, B&S certainly has made
> two cycle engines, and I believe they still do, at least for some snow
> applications.
>
> http://www.briggsandstratton.com/images/bsshop/100/ec_l_800100.jpg
>
>
>
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