Why will my riding mower not start?

There are many reasons a riding lawn mower won’t start—everything from stale gas to ignition switch problems. If you constantly have to charge the battery, a bad battery or failed alternator could be causing the problem. … Lawn mower ignition switch problems can prevent the starter from getting current.

What do you do when your riding lawn mower won’t start?

Your Mower Won’t Start:

  1. Loose, Dirty or Disconnected Spark Plug in Your Lawn Mower: Check it out, clean off debris, re-connect and tighten.
  2. Dirty Air Filter: Clean or replace.
  3. 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.

How do you know if the ignition switch is bad on a riding lawn mower?

To check your ignition switch, you can use an ohmmeter to see if there is any connection between the “S” and “B” terminals. If there isn’t any, the ignition switch is your problem and you will need to replace it to get your mower running properly again.

IT IS IMPORTANT:  Frequent question: What did John Deere do to improve agriculture?

How do I get my riding lawn mower to start after sitting?

To get the mower started, you may have to change the gas and clean or change the plug.

  1. Check the oil before you start a four-cycle mower that has been sitting for a long time. …
  2. Prime the engine by pushing the priming bulb three times. …
  3. Give the spark plug wire a little tug to see if it’s loose.

How do you start a choke on a riding lawn mower?

How to Start a Riding Lawn Mower?

  1. Sit firmly on the seat.
  2. Start the Engine.
  3. Press the Brakes.
  4. Engage the Parking Brake.
  5. Put the Gear to Neutral.
  6. Pull the Throttle onto Choke Position.
  7. Insert the Ignition Key.
  8. Turn the Key to the Right hand side/Clockwise.

How do I know if my lawn mower spark plug is bad?

Here’s How to Know if a Lawn Mower Spark Plug is Bad

  1. You can’t get the engine to fire up at all.
  2. You have to tug extra hard for longer than usual on the rewind.
  3. Your lawn mower loses power while moving.
  4. The gas runs out quicker than it used to.

How can you tell if your ignition switch is bad?

Measure the battery’s voltage using your multimeter, and make sure the key is positioned at the run position on your ignition switch. If the multimeter displays a voltage of less than 90% of your battery’s voltage, then it’s without a doubt, you have a faulty ignition switch.

How do I know if I have a bad ignition switch?

Signs Of A Faulty Ignition Switch

  1. Car Won’t Start. If you turn your key and the car attempts to start, but fails, then you might have a broken ignition switch. …
  2. Key Won’t Turn. …
  3. Car Stalls. …
  4. No Noise From The Starter. …
  5. Dashboard Lights Flicker.
IT IS IMPORTANT:  You asked: Can I use non detergent oil in my lawn mower?

Where is the spark plug on a lawn mower?

Spark plugs are typically located on the back or side of a lawn mower engine. Look for a short wire that’s about 1/4-in. -thick leading to the top of a short, cylindrical protrusion from the engine. If you’re not sure where the spark plug is, consult your owner’s manual.

How do you start a lawn mower when its cold?

How to Start a Cold Lawn Mower

  1. Brush the tip of the spark plug with the wire brush to remove any carbon and oil debris. Spray the tip with starter fluid. …
  2. Press the primer button near the air filter cover three times with you thumb. Take your thumb off and allow the primer button to raise back out. …
  3. Start your lawn mower.

Why does my lawn mower take forever to start?

Your lawn mower takes forever to start because you aren’t pulling it fast enough, there’s not enough fuel in the tank, the spark plugs need to be replaced, or the battery is dying. A dirty air filter will limit the amount of oxygen entering the combustion chamber, which makes it take longer to start.