I am confused. If you leave in old gas, then you can cause carberator
problems. If you burn it off then you create carburetor problems
(i.e. dried diaphragm) too.

So, what should you do at the end of the season before putting away
the lawnmower?

Use sta-bil or similar in your gas, leave it in the tank and use your mower
hassle free.

My son has my 16 year old B & S classic and I'm not even sure that we have
ever changed the spark plug. We do the oil once per year.


Colbyt