What is the right gap for spark plug to my engine

Freeman1982

Seaman
Joined
Aug 19, 2020
Messages
53
Hello guys , What is the right gap for spark plug to my engine ?
50gxic 270 R
A196003
40869324
 

alldodge

Moderator
Staff member
Joined
Mar 8, 2009
Messages
42,054
Manuals for GXI-C and D and GXI-F and G shows plugs 3861632 or TJ14R-P15 gaped at .060
 

dubs283

Vice Admiral
Joined
Jul 27, 2005
Messages
5,322
Gonna be a delco 41-xxx series iridium plug pre-gapped at .060"

Good plugs but retail is $25/plug and not 100,000 mile rated in a marine engine
 
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