My normal technique is to shut off the fuel valve and run the carb dry,
while keeping the tank full with gas and Sta-Bil. I don't generally have
any problems. I think keeping the tank full with stabilized fuel helps
prevent rust in the tank if it's a metal tank, obviously not a factor
for a plastic one. Running the carb dry keeps gunk from forming as the
gas slowly evaporates.
My father used to drain the mower tank, fill with kerosene, and store
for the winter months. The mower still runs after 40 years. I fill
the tank, add Stabil, run the engine for a few minutes, then store.
Me too. I usally put the Stabil into the empty petrol container first
before I go to the filling station. That way the Stabil is mixed well
and acts on the "fresh" petrol. I have never had any issues with
petrol deposits. I just store the mower over winter basically "as is".
Half full, full or empty ....
Many an old fart will use this stuff:
If I'm going to store an engine for a long period,
I run it dry then crank it with this oil in the fuel
system to coat everything. Then remove the spark plug,
squirt some into the cylinder and crank the engine a
few times before replacing the plug. Of course a tarp
over it to keep the dirt and dust off and you're done.
either way,treat that last tank of fuel with stabilizer. when you
run one out of gas,there is still some fuel in the carb bowl that needs
the stabilizer so it wont turn to gum.
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