Alrighty, here's an easy (?) one for ya:<br /><br />'71 Johnson 50HP, elec shift (50ESL71). At WOT, it runs as if you are feathering the throttle from 3/4 to full. Some background: No tach, new water pump, recently rebuilt carbs, new plugs (upper plug {#1} has some black crusty crap on it...