Fogging a Mercury 50 Bigfoot with EFI

10/29/14 @ 7:35 PM
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John Q. Public
John Q. Public
USER since 8/1/12
Can I fog an EFI through the intake, or must I pull the spark plugs?
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Displaying 1 to 4 of 4 Posts
10/31/14 @ 12:28 PM
GRANDAD
GRANDAD
USER since 6/1/09
You have got to be sure you fill the entire fuel pump,internal pressure tank and ALL lines with Staybill or other fuel stabilizer gas,especially if you use ethenol Gas!I used a separate tank with 1 gallon of treated gas,when it is half empty all lines should be full.This was explained to me by a Merc. Tech and I have no problems!

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10/30/14 @ 9:36 AM
scalemn
scalemn
USER since 3/14/08
The fast and easy way is to Winterize is to own an E-Tec

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10/29/14 @ 8:06 PM
muskie nut
muskie nut
MEMBER since 6/26/01
I do both, fogging the intake while you starve the engine of gas to coat the journals and crankshaft and then pull the plugs and coat the cylinder walls and rings.

What does you owner manual say????

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