What are the best plugs for a 1975 Johnson 70 HP???
C chopper_man Cadet Joined Jul 17, 2005 Messages 23 Jul 16, 2006 #1 What are the best plugs for a 1975 Johnson 70 HP???
R Rudy Brown Petty Officer 1st Class Joined Apr 3, 2005 Messages 289 Jul 16, 2006 #2 Re: Spark Plugs Champion L77JC4 or QL77JC4 (the Q is for a resistor)
