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I have a 88 Mariner magnum 150 II that starts fine and idles.Then it has a nice bog until I get above 2400 rpm. If I feather the throttle it will gain rpm but if I mash it will hit 2100 and stay. I have checked compression and all are sitting at 115. I have cleaned the carbs and checked the vent...
I know that this has probably been talked about before but what are the differneces between a 1989 Mariner 150 Vs 1989 Mariner Magnum II 150?
I was just curious. I have a relative with a 150 Mariner and I just bought a 89
Champion 18'6" Bass boat with a Mariner Magnum II 150.
Any info would be...
