Spark Plug Gap? - '97 Merc 250 EFI

Cane Pole

Recruit
Joined
May 31, 2005
Messages
2
What is the recommended gap for this motor?<br />Running Champion QL77CC plugs.<br />Thanks!
 

Perfidiajoe

Petty Officer 1st Class
Joined
Apr 1, 2005
Messages
378
Re: Spark Plug Gap? - '97 Merc 250 EFI

I have a 1995, EFi that takes the same 6 plugs, the book says .035 for the champions. If you run the NGK's the book says .040 Good Luck Joe
 

Perfidiajoe

Petty Officer 1st Class
Joined
Apr 1, 2005
Messages
378
Re: Spark Plug Gap? - '97 Merc 250 EFI

I have a 1995, EFi that takes the same 6 plugs, the book says .035 for the champions. If you run the NGK's the book says .040. Should be the same on the 1997. Good Luck Joe Sorry for the double post,
 
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