Yes, low speed needle, high speed needle, and an idle screw. No mid range needle.
Matt
ORIGINAL: voodoo
three adjustable controls are provided on this
carburetor.
CARBURETOR CONTROLS
The Needle-Valve: For adjusting the mixture strength when the throttle
is fully open.
The Mixture Control Screw: For adjusting the mixture strength at part-throttle
and idling speeds, to obtain steady idling and
smooth acceleration to mid speeds
The Throttle Stop Screw: for setting the minimum idling speed