You asked: What do you do when your lawn mower won’t start?

What causes a lawn mower to stop working?

The most common cause of a mower failing to keep running is a clogged air filter. Take the cover off the air filter compartment and remove the filter to see if it is dirty, or clogged with oil and dust. … If it is a dirty paper filter, buy a new one; these cannot be cleaned.

Can a lawn mower get flooded?

Flooding a lawnmower is easy to do. … Priming it too many times by pushing the primer bulb can also cause flooding. The most common cause of flooding, however, is too many attempts to start the engine by not pulling the starter cord firmly or quickly enough to spark the mower into engagement.

How do I know if my lawn mower carburetor is bad?

Dirty Carburetor Symptoms

  1. The lawn mower engine has trouble starting.
  2. The engine starts but stalls while you’re cutting the lawn.
  3. The engine runs rough during mowing.
  4. Black smoke is seen coming out of the muffler.
  5. There is a noticeable increase in fuel consumption during normal lawn mower use.

Are lawn mowers easy to fix?

Fortunately, it is easy to learn small engine repair and basic lawnmower repair when it comes to simple issues. Most problems can be remedied with a few tools, replacement lawnmower parts, and patience.

IT IS IMPORTANT:  Frequent question: Can I mix regular oil with gas for lawn mower?

How do you test a lawnmower?

Diagnosis of a No-Start Mower

  1. First, check that there is indeed fuel in the gas tank. …
  2. If there is fuel, remove the air filter and pump the primer bulb a couple of times to make sure fuel is squirting into the carburetor.
  3. Give the starter a push or a pull (depending on your mowers starting system) a couple of times.

How do you start a choke lawn mower?

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 start a lawn mower after winter?

Give the spark plug wire a little tug to see if it’s loose. If it is, push it onto the plug and try starting the mower. If there isn’t any difference, remove the plug with a spark plug wrench and clean the gap with an emory board. If the plug looks worn, replace it with a new one.

Where is the choke on a lawn mower?

There’s a variety of lawn mowers, but for an internal combustion engine, the choke valve is usually located on the body of the engine or a lever on the handle. Most choke valves are butterfly valves mounted in the manifold up from the carburetor jet.