O.S. Carburetor Rotor #61B 91HZTower Stock# LXVHH7 • Manufacturer Stock# 29085200
Notes from our tech department:
on the 91HZ F3C Competition Helicopter Engine.
This Rotor is a round cylinder that rotates inside the carburetor
to open and close the throttle.
One carb rotor
The remaining carb components