wrote in message
...
have mower shop . if you run it dry or keep it full of
gas over winter ,treat the fuel on the last use . on most carbs ,there
is still some gas in the carb after you run it dry ,so best if the
little dab of fuel is treated . on my equipment ,i keep tank and carb
full of treated gas over the winter, i figure if theres air in the
tank/carb,there is water that is in the air so it condenses and can
cause corrosion and gummy deposits. lucas

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I always run them dry, turning on the choke or pushing the primer at the end as
it starts to stall to clear as much gas as possible. Never a problem.