How Does An Automatic Choke Work On A Lawn Mower?

If you own a lawnmower, you know that sometimes it can be difficult to start. This is because it uses an engine, which needs gas and oil to run properly. One of the common problems people have with their lawn mower is that it suddenly stops running when they’re in the middle of a job. This can be frustrating and time-consuming if you’re trying to finish your yard quickly. In order to fix this issue, many people get an automatic choke for their lawnmower. So here’s what you need to know about how an automatic choke works on a lawnmower.

What is an automatic choke?

An automatic choke is a device that essentially acts as an engine stabilizer. When the engine on your lawn mower runs out of gas, it automatically shuts off the engine to prevent damage. The downside to this device is that it can only be used when the gas in the tank is running low.

Another thing you should know about an automatic choke because it’s not necessary for every lawnmower. Some models have a manual choke, which you could use instead of an automatic choke if you wanted to. If your model has a manual choke, you won’t need to buy anything else for your lawnmower!

When Does an Automatic Choke Work?

kyles auto choke lets the user set how much time the engine has before it starts up again when the trigger button is released with one hand while using another hand to guide the machine around curves and other obstacles. It works by disengaging the spark plugs and shutting off fuel flow until the user pushes in a switch or pulls back on a lever, at which point it will allow fuel flow again so that the engine can start-up easily.

Before release, the amount of time needed depends on how long it takes for enough fuel in the carburetor float bowl (connected to the engine).

How To Install An Automatic Choke

Installing an automatic choke on your lawnmower is relatively simple. You’ll need to follow these steps:

Be sure that your lawnmower is off and has been properly shut down. Remove the old choke from the engine by turning it counter-clockwise and pulling it out of the engine. Install the new choke by threading it onto the crankshaft with a wrench, then tightening it clockwise using a socket wrench. Reinstall the air filter assembly, spark plug, gas cap, and any other parts removed for this installation. Start your lawnmower up for about 10 seconds to ensure proper operation of the new choke installation.

That’s all! Your new automatic choke should be installed in just five minutes or less!

How Can I Keep My Lawn Mower Happy?

If your lawn mower isn’t starting, you should check to ensure that it’s getting gas and oil. If it is, then go ahead and start the mower up again. However, if the problem isn’t with the gas or oil, you probably need an automatic choke for your mower.

An automatic choke is a device that regulates the amount of air entering the engine by adjusting the point at which fuel enters the combustion chamber. It does this through an electrically-controlled solenoid valve activated when you push down on your thumb-operated choke lever.


The more you know about your lawnmower, the more efficient it will be. As these machines get better and better, it’s important to know how they work.


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