How to test stored gas fr two stroke outboard?

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V

Viktor

I stored gas over winter in 6 galon plastic tank. I added stabilizer. I still afraid to use it because it can clog the fuel system of my outboard. Is there any practical way to test quality of the fuel? I can look inside for signs of the water condensation. People told me to smell it and if it smells like varnish - dump it. Any other good ways to test it?
 
T

Tony Z

Should be OK

If you used the stabilizer and the tank was full, It should be fine. You may want to filter it through a screen to be sure. When in doubt, I just throw it in my truck fuel tank with a full tank to get rid of it. The mix poses no problems that I am aware of.
 
V

Viktor

I drive Audi and it needs premium gas.

And I afraid to have oil in the car's motor. So I will have use it or look for place to dump it (Autozone used to accept it).
 
B

Bob

If in doubt,,,

Since you were smart enough to put stabilizer in it, it is probably fine. However, rather than using it full strength, how about mixing up a fresh batch and blending it half and half? I think you are overly concerned, and for the cost of an additional container you can save the old mix. As a last resort, give it to someone who does have a vehicle that uses regular gas - when mixed in with a full tank the 2-stroke oil will lubricate the top end and won't hurt anything.
 
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Gary

Stored Fuel

Living in Florida with the storms I have stored gas for the last two seasons. I use Stabil brand to treat gas for my generator. I have stored fuel for up to a year, and then used it in my car, truck, lawn mower, and my outboard. I have not experienced any runnability problems to date.
 
Jun 8, 2004
3,009
Catalina 320 Dana Point
I've done as Bob has suggested in runabouts

with 90 HP 2 stroke outboards successfully. Mix with half fresh the stabilized fuel should be fine as long as a good 2 stroke oil was used in the mix originally. The manufacuturer's oils like merc., Johnson, etc. are fine, but there have been instances of off brand 2 stroke oils "gelling" in the tank when mixed with other brands of oil.
 
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Mike

No problems

It seems I always have a couple of gallons left in the outboard's tank at the end of the season. I use fuel stablilzer all the time (even during the season). I leave the partially-filled tank on the floor of my garage all winter, and I use it without a problem the next spring. Sometimes I will blend in fresh fuel/oil, but not always. I used to worry about it too, but my outboard mechanic told me that the fuel would be fine. The guy I bought my boat from used to leave the gas on board the boat (an uncovered boat!) in the outside fuel locker all winter. He had no qualms about using that old fuel the next spring. And he didn't even use stabilizer!
 

Joe

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Jun 1, 2004
8,311
Catalina 27 Mission Bay, San Diego
give it to a gardener....

they will be happy to take it off your hands for their equipment. Just make sure you get your tank back. But I would try using it. 2 strokes are pretty resilient.
 
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tom

Much ado about nothing

Use it. If it was good to start with it is good for at least a year. A lot of this old fuel "problem" is just a way to sell something. My son went overseas in the military and left his car full of fuel and when he returned 14 months later there was no problem. My weedeater sits unused 9 months out of the year full of fuel and in 6 years I've never had to even change a spark plug.
 
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