(1) Compatible Models: Specially designed for 1906 AVS2 650CFM Carburetor (Interchange Part Number: 1906). For 1906 AVS2 650CFM Carburetor. - Carburetor Structure: The components of a carburetor usually include a liquid fuel storage chamber, a choke, an idling (or slow-running) spout, a main spout, a venturi-shaped air-flow restriction, and an accelerator pump.
