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Old 10-19-2015, 09:38 AM   #21
Capt.Bill11
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City: Sarasota/Ft. Lauderdale
Join Date: Apr 2014
Posts: 5,438
On the advice of a lot of outboard mechanics this is what I add the gas to clean out and keep clean the fuel system on all brands of outboards.

Quickleen Mercury Quicksilver 12oz.

One trick to use is if you have a spin on type inline fuel filter is to empty the filter of gas and fill it with cleaner. Then pump it to the engine so the fuel system gets a strong flush of cleaner right off the bat.
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