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choke plate

Glossary “choke plate” Definition:
Butterfly valve that closes at the inlet of the carburetor to enrich the air/fuel mixture, as when starting the engine.

choke

Glossary “choke” Definition:
Manually or thermostatically controlled device mounted to a choke shaft having vanes at the mouth of a carburetor that closes when the engine is cold. This increases the fuel content in the air/fuel mixture that aids in starting when fuel evaporation is low.

choke heater

Glossary “choke heater” Definition:
Device that warms the thermostatic coil of an automatic choke, causing it to open quickly. Later-model carburetors often have an electrical heating element and/or a timer circuit.