Correct spark plugs

C

Captn Dave

Petty Officer 2nd Class
Joined
Dec 5, 2001
Messages
176
What are the correct Champion plugs to use for a 1989 225 HP and 1990 140 HP. Both engines are Johnsons.
 
R

red boat

Petty Officer 2nd Class
Joined
May 4, 2005
Messages
141
Re: Correct spark plugs

Both motors use Champion QL77JC4 gapped at .030 or .040 for extended idleing
 
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