Engine Trouble weed eater 25cc engine runs on choke

Discussion in '2-Stroke Engines' started by PickerBenny, Jun 26, 2015.

  1. PickerBenny

    PickerBenny New Member

    Hello just finished my first build. friction drive weed eater bike with a peg roller. only runs when I switch the carb between half and full choke. I have black residue exiting the muffler and on top of the sparkplug. too much oil? carb rebuild? thanks for the help in advance.