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Old 10-03-2011, 05:45 PM   #5 (permalink)
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Originally Posted by Old Tele man View Post lawn-mower sits all winter, and seems to start OK each spring.
I store quite a bit of gasoline in proper 5 gallon storage containers. I've had some of it for up to 2-3 years, still usable, with no bad effects. The worst part is that some of the volume will be lost to evaporation, no matter how you store it.

Gasoline contains additives. If you are going to leave gas in a snow blower or lawnmower, either drain the tank completely (preferably) or keep it entirely full. Gasoline contains additives. If you've ever had to rebuild a lawnmower carb you might find it full of goo from someone who left it sitting for several years with gas still in it. The gas evaporates and leaves a lot of residue that clogs the carb.
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