1. CrazyHunterXIII

    Carb needle adjustment for low altitude

    I have a 48cc bike berry bbr tuning motor with the speed carb: I live in Spencer, WV where the elevation is at 748 feet above sea level. I would like to know what is the recomended setting for the needle? The...
  2. StreetLethal

    slide needle missing notches

    I recently removed a needle from a friend's speed carb and found his needle's e-clip has ground smooth the notches.