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phbg tuning

  1. E

    Setting up a PHBG carb for the first time, any tips?

    So I picked up a new KTM50SX carb aka the PHBG along with a handful of jets. Finally got around to installing it today and of course it's off to a terrible start. It fired up on the second try, and seemed to rev much harder but it quickly started stumbling like it was over fueled then died. I...