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Discussion Starter #1
I added probably about an ounce of stabilizer to only one gallon of fuel in my tank and my sled won't run now.

Could the stabilizer be fouling the plugs or something? They are sparking and it does run for a second if I add fuel in the spark plug holes.
 

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Welcome to the forum!

I would suspect that fuel isn't being picked up in the tank. It could be a plugged weighted filter on the end of the pick-up hose, a kinked hose, or a rotted hose that has fallen off the outlet. It could also be the gas is shut off, a bad fuel pump, or the inlet needle/seats on the carbs are stuck shut and won't allow fuel into the carbs. The amount of stabilizer you added shouldn't have any effect to the operation of the engine.
 

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Last year I used stabilizer, and it put a coating on my spark plugs that wouldn't let my sled start. I wire brushed my plugs and it helped a lot
 
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