A lawn mower choke reduces the airflow of the engine, allowing for more fuel to be used. This process allows the engine to spark and ignite easier, starting up in an instant. Choke valves should only be used when absolutely necessary, as they can damage the engine if they’re overused.
Can you run a mower with the choke on?
It’s bad to run a mower with the choke on because it can damage the engine. Most mowers can’t even run with the choke one, but you should check what the problem is if yours does. No machinery should operate outside the normal functioning system.
Should choke be open or closed when starting lawn mower?
Normally, the choke is closed when starting cold and gradually opened in the few seconds after the engine starts. It is left fully open once the engine is running and may not need to be closed when starting warm. A typical starting procedure for an engine with a choke might be: Close the choke (usually on carburetor).
How do I start my lawn mower with a choke?
Open the choke all the way if you notice that it has been closed. If it has been open, the carburetor may be flooded. Close the choke, and pull the starting cord a few times. When you get the engine to sputter, open the choke, and try starting the mower.
How do you tell if choke is on or off?
The “choke” is off when the choke lever is down or when the choke lever is facing you if your choke is a handle bar mount. Choke off means that the choke plate is not covering the carb throat.
What happens if choke is left on?
Leaving the choke on for too long will cause unnecessary engine wear and waste fuel. This is also bad for the environment. The choke is mainly used during winter to help with starting. The engine needs its fuel to be vaporised in order to burn it.
What happens if you leave the choke on mower?
A choke connection that is left on when operating will result in wasted fuel, engine failure, and abnormal engine power performance. A manual fuel primer bulb is used by some engines so that the ratio of fuel to fuel in the exhaust fuel mixture is enhanced for the start of the engine.
How do you use a choke?
So basically it's very very simple you step on the accelerator pedal. About 3/4 of the way down and pull out the choke. And then let off of the gas.
How do I adjust the choke on my lawn mower?
How to Adjust the Choke on a Craftsman Lawn Mower
- Pull the choke adjustment knob on the dashboard out completely if the engine is cold. …
- Start the engine.
- Push the choke knob in partially until the engine is running smoothly.
- Continue to push the choke adjustment knob in slowly as the engine is warming up.
How do you properly choke an engine?
How to Use a Manual Choke on a Car
- Pull the manual choke knob to decrease the air intake and provide a richer fuel-to-air ratio before you start the ignition. …
- Pull out the choke knob more for a cold engine start, or on a cold day. …
- Switch on the ignition and start the engine.
What position should choke be in?
The choke is located before the throttle, and manages the total amount of air going into the engine. The choke is only used when starting a cold engine. When doing a cold start, the choke should be closed to limit the amount of air going in.
What is the choke symbol on a lawnmower?
The choke symbol is in the on position restricting air into the engine when the lever points to an angled or horizontal line. This can also be designated by the words ‘Choke’, ‘Full Choke’, or ‘Start’. When the choke is off or disengaged the lever points to a vertical line or the word ‘Run’.
How do you start a automatic choke lawn mower?
Simply set the Throttle to fast (hare symbol) for the auto choke. For mowers with manual choke, set it to full choke to start. Some Honda mowers won’t have any throttle levers, the engine has a factory set speed. If you are unfamiliar with choke, how and when to use it, you are not on your own (see below).
Where is the lawnmower choke?
The choke on a lawnmower is usually on the left-hand side of your riding mower. Often accompanied by pictures to indicate fast or slow, using the choke is simple. All you need to do is move the lever. Whether you should open or close the choke depends on your riding mower.
What do I do if my lawn mower won’t start?
Your Mower Won’t Start:
- Loose, Dirty or Disconnected Spark Plug in Your Lawn Mower: Check it out, clean off debris, re-connect and tighten.
- Dirty Air Filter: Clean or replace.
- Fuel Not Reaching the Engine: Tap the side of the carburetor to help the flow of gas. If this doesn’t work, you might need a new fuel filter.
Why is my lawn mower turning over but not starting?
Q. Why is my lawn mower turning over but not starting? The most likely reason is bad gas. Gas that sits for many months during the off-season will eventually break down, gumming up the fuel line and carburetor in the engine and preventing it from starting.