Re: I'm about to use this motor as a boat anchor!
install stock muffler, drill 2 or 3 quarter-inch holes in bottom cap for breathing, try same amount of holes in back of stock filter. you have to remove carb, drain it, flip it over, remove 2 float bowls screws, let bowl and float come off, the main jet is what you'll be looking at. takes a straight slot screwdriver. sounds like wrong jet from factory. and 20:1 is really, really rich. i like 4 ounces per gallon after break in. but that's me