initial mixture screw settings on 17.5 carb on zip sp

Discussion in 'General Scooter Discussion' started by bulliporker, Mar 30, 2015.

  1. bulliporker

    bulliporker Member

    Messages:
    279
    does anyone know what the initial settings on a 17.5 mm carb would be on a 50cc sp zip
     
    bulliporker, Mar 30, 2015
    #1
  2. Nathanael

    Nathanael Active Member

    Messages:
    473
    53 main jet in restricted form. 58 if derestricted
    cant remember mixture setting off top of my head.
    Adjust idle screw till it itcks over nicely.
    Then adjust mixture screw to find the highest idle point.
    Readjust idle screw.

    Do it all on a warm engine.
     
    Nathanael, Apr 1, 2015
    #2

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