I have a 70's or 80's model 115 merc that I just put on my boat. It runs good but when I put it in the lake to let it run when its idling it blows exhaust and spit a little water out where the steering stem comes out of the lower cowling. I don't know if these have a exhaust tube or hose that...
I have a 1978 70hp Johnson that I had carbs rebuilt last year along with a new fuel pump kit. I went to put it in the water and it wouldn't idle unless I had it choked. When I'd put it in gear or would try to rev it up it would die. So I put in new plugs and put it back in the water this time it...
