If it is disconneted, hook it back up. It is not choke as such. Chokes normally cut off the air flow to richen the mix for starting. This carb has a 'Fuel Enrichner. This is a fuel circut in the carb monitored by a needle valve. This valve opens to add more fuel to the mix for startng. The needle is moved by a thermal solonoid [the black thing on the side of the carb with wires]. The needle valve stays normally open to richen the mix when cold. As the motor warms , the needle moves down to close off the circut , the fuel mix then goes to a normal ratio for running. When the motor cools the needle opens again , ready for the next start. Removing the solonoid or disconnecting the wires causes the circut to stay open all the time, keeping the fuel mixture too rich, causing flooding, poor performance and fouled plugs. your having to start your buggy like a flooded car, pedal to the floor.
You can test the enrichener by removing it from the carb while the motor is cold, lay it down next to a ruler, position the needle by some number, connect the wires to a low amp 12 volt source, a battery charger, then watch the needle extend. should extend around 3/16ths. disconnect the power, the needle will contract. if not? replace it. If it works and is in place on the carb, check for a bad connection in the buggy wire harness. It's important that this solonoid gets power at all times.
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