after receiving some less than helpful advice on another site, i think i will have more help here.no spark on no.3 and 4 cylinders IF everything is hooked up.disconnect no.3 cylinder coil and cylinder no.4 will now fire. several people said replace trigger so i did.this did not help me.same problem.this engine runs very well.i had a new waterpump and housing installed last year.problem started not long after that.i felt it was unrelated and did not return boat to repair facility.any help would be great thanks alot. buell guy
