Hi all; i have a 1978 merc 800 #5004951 its on a 78 16ft Silverline that has a missfire @ idle after it warms up.it runs great, Wot 37mph @ 5100 17p 3 blade.i have rebuilt carbs,put in new CDI trigger "do to bad wires",& checked the switch box "GOOD", checked comp and all was good here.I just...
