I’ve got a 1982 50 horse mercury tiller style outboard engine that is losing power. At one time I could run mid 20s with 2 guys and gear in my 17.5 foot aluminum v hull. now I struggle to run 9 or 10. Engine has good compression on all cylinders, new plug wires and the prop is NOT slipping, carbs seem to be fine. What could be the cause for my loss of power? The boat won’t get on plane of course and has a huge swell behind at full power.
Engine runs really good it fires up with the bump of the key, just wondering what else I could do.
Thanks


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