Here is a little back story of what happened. over about 3 runs on the boat my idle started to increase and I stopped running it when the idle jumped really bad. its idling at about 2400rpm. and I'm looking for a vacuum leak, but to no avail so i turned to possible timing issue. im new to boats...
Hello fellow boaters. I am new to this forum. I have a 1990 Evinrude V4 100hp VRO engine. When I start my engine it jumps to a very high idle between 1800 to 2000 rpm when it is either cold or warm. I've sprayed carb cleaner around the bottom carburetor and the idle suddenly drops. I've checked...