Do you drain the old gas out of your lawnmower every fall, or do you add
stabliizer to it, and leave it in the unit over the winter months?
What about snowblowers? I always add stablizer to the gas/oil mix in
the spring, and leave it in the unit all summer long.
Of course, I always run the equipment for about five minutes after
Drain is always best. One year I drained my snowblower and it ran OK
the next but I left stabilized gas in it and it would not start and I
needed the carburetor cleaned. Might have been alcohol in gas that
caused problem as manual says not to use gas with alcohol or depending
on the carburetor there could be evaporation which leaves a clogging
residue. I keep stabilized gas in my generator but start it every few
months. If you leave gas in anything it is a good idea to start
I leave mine in, but then empty it out at first use, and add fresh gas.
Don't know how good this is, but I figure it is better to have something in
there than completely empty. Smell like varnish when I dump it, so I
usually use it on gopher holes that appear in spring.
I don't do anything special to the mover, tiller, nor any other fair
weather gas powered tools and have never had a problem. My gawd, here in
SE Iowa they only set unused from mid November to early April (four to
five months). Actually, I have let some set for as long as three years
and they still started and ran fine. Of course if you want to spend the
time and money put some stabilizer in the gas and let it run for a
couple of minutes before putting it to bed.
My experience as well. The only item I run dry is the backup generator.
First use of lawn mower in the spring might take 2 or 3 pulls instead of the
usual 1, but otherwise I've never seen an issue with it.
I do nothing as well on a mower, tractor and small garden tools. BYW
had a great Honda mower for 25 years ... never did anything for the
winter ... and it started everytime on a single pull. Finally junked it
due to the al deck rotting out.
I have a 1986 Lawnboy, never had a carb issue and I just put it away
recently, I run it dry, I have a few pieces I run dry and all are
fine, once I left gas in a sthil trimmer and it needed a carb clean 6
moths later. I guess stabil works but im scared to test it, Stabil
costs money, running it dry is free, a carb rebuild is alot of money
and driving around.
Here comes a lengthy conversation, with all kinds of proofs.
I'm waiting for someone to quote Aristotle and that will be
I usually run equipment dry, but havn't done a double blind
study or anything.
An issue no one has addressed yet is what environment the equipment is
stored in. Gas sitting in a relatively cool place is going to
degrade a lot slower than gas that's in a mower in a shed that's 100F.
I put stabilizer in the last gas can I get filled near the end of the
mowing season. I also put it in my Harley and my boat when I owned
it. The snowblower I run dry, because it will sit unused a lot
longer and over the hottest months. Also, reading the manual never
I just got back online after a busy weekend.
Thanks everyone for all of your replies.
My mower sits in my shed from November - April every year.
Like I said, I do put stabilizer in it. It gets very cold in there
this time of the year.
My snowblower sits in the shed from April - November where it gets very
hot during the summer months.
I try to run tanks pretty empty, just in case* (so I don't waste a full
tank), but I never add anything, run the thing completely dry etc. and I
haven't ever had a problem.
* more worried about things like lines splitting etc.
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