So guys looking at picking up a spare motor for my boat a 1986 mariner 75hp I currently have a 1975 thunderbolt 850 with mercontrol control box is there anyway to convert the older mercontrol box's to work with the newer stylish quicksilver connections that would be needed for that 86 mariner??
So boys been searching and reading for the last couple days and no such luck with an answer. A little back story, bought a 1972 electric shift 50hp johnson outboard has 120psi compression swapped it onto my 15' boat great right? haha Change the impeller as I have worked on alot of boats for...
