I have a 1980 16 1/2' aluminum boat with a 1984 2 cyl. 60hp Evinrude motor.
Was running great, fast as can be--45+mph.
Then, all of a sudden, it dropped to only about 20% of full power--about 15 mph.
It starts fine, revs loud and fast when the start fast idle lever is in the up position. It...
