HEY GUYS CAN ANYONE TELL ME WHY IM GETTING ALOT OF BACK FIRING WHEN IM IDLING AND BOGGING ON TAKE OFF TOP SPEED RUNS GREAT THIS IS A 87 MODEL 75 HP MARINER JUST BOUGHT DONT KNOW ANYTHING ABOUT IT PLZ HELP THANKS
I would try a set of new plugs first, then, run it on a dark night with the cover off and look for arcing around couils, plugs and plug wires.<br />But my hunch is plugs.
