What is a choke for and how does it work, on small engines.
In: 65
To run an engine, you want to run a fairly specific balance if fuel and air to get it to combust efficiently.
The problem is that the fuel will evaporate more slowly in a cold engine than in a hot one, so you will want to use a different ratio of fuel to air in a cold engine than you will in a hot one.
The choke is a service that alters the fuel to air ratio, so that you can feed the engine more fuel to get it started and warm up, then once it is at operating temperature you can dial this back to a more efficient setting for normal operation.
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