Automatic Choke System: Description

On 2T-C and 4M engines, an electric assist choke is used. This system consists of a choke breaker diaphragm, an electrically heated bimetallic choke cap, and a choke control relay. On 20R engine, a coolant heated choke is used. This system consists of a choke breaker diaphragm and a coolant heated bimetallic choke cap. Engine coolant flows through choke cap to assist heating choke.