I have a ryobi whipper snipper model RST31E with a Zena carb C1U that is at least 4 to 5 years old that will just run on almost full coke . Which sounds like it's not getting enough fuel to run correctly ,,, so I think I need to buy a major carb kit which would have a needle and seat and the very small gauze filter included.
It has red and white adjusters on the top of the carb which are the high and low mixture controls which are also not much good if the carb is not getting enough fuel???
