Try leaving the fuel cap loose to see if that helps.
Will it start up when it dies with starting fluid.
Peace,
Pat
Pat Horne
We support Habitat for Humanity
On May 20, 2019, at 4:57 PM, David Hillman via Shop-talk
<shop-talk@autox.team.net> wrote:
Ok, I'm out of ideas. Requesting new ones.
I have a Craftsman walk-behind mower with a 163cc Briggs & Stratton 4-stroke
engine ( engine: 104m02-0008-f1 to be precise ). It's only 3 or 4 years old,
but it will not run. And it's starting to piss me off.
It starts normally ( no manual prime or choke, so it takes ~3 pulls but it
always has ), and runs fine for less than 5 minutes. After that, it surges
rhythmically and after a minute or so of that, dies. Following that, it will
not re-start until allowed to rest for a few minutes.
I have installed a new plug, new air filter, new carburetor, and new ignitor.
I checked and set the gap on the plug and the ignitor to spec ( .030" and
.006-.014" respectively ). Has clean oil, and brand new gas. Fuel screen in
the tank is clean, as is the fuel hose to the carb. Carb bowl has fuel.
What else can be wrong with it? It seems to be heat-related, but it has no
cooling system.
Thanks.
Obligatory Shop Content: I can't work on anything interesting until this damn
mower runs.
--
David Hillman
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