Rich mixture on cold startup (black smoke)

[nitrosteve]

Any suggestions its a 1986 3.0 2bl carb choke is set at full clockwise setting. Boat clears up after it has ran for a few minutes.

Thanks
Steve

 

[bruceb58]

Re: Rich mixture on cold startup (black smoke)

Set your choke adjustment so it comes off earlier. Adjust it so that the choke flap is just barely open instead of fully closed when cold.