Evinrude 1986 90hp

eula30

Petty Officer 1st Class
Joined
Mar 16, 2003
Messages
231
Hi, does anyone know what is the sparks plugs gap for this motor ( Evinrude 90hp 1986). Is it, .30 or .40. <br /><br />Thank you
 

rickdb1boat

Supreme Mariner
Joined
Jan 23, 2002
Messages
11,195
Re: Evinrude 1986 90hp

The official recommended gap is .030, but many use .040, which was the original recommedation back then before OMC changed it's mind.
 

eula30

Petty Officer 1st Class
Joined
Mar 16, 2003
Messages
231
Re: Evinrude 1986 90hp

Do you know witch one is best?<br />Thank You
 

ob

Admiral
Joined
Aug 16, 2002
Messages
6,992
Re: Evinrude 1986 90hp

If you troll a lot the .040" gap will help with a more complete burn and inhibit oil fouling.Otherwise the .030" will work just fine.
 
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