A Craftsman lawn mower won’t start when the engine is not getting air, fuel or spark due to a plugged air filter, bad fuel, faulty switches, bad battery, bad spark plug, fuel blockages or dirty carburetor.

What would cause a Craftsman riding lawn mower not to 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.

Why is my lawn mower cranking but not starting?

An air filter that’s not letting enough air into the motor can inhibit combustion. Locate the air filter on your mower and remove the plastic cover. If the filter is covered in dirt, grass, or some other contaminant, this may be the reason for your lawn mower turning over but not starting.

What would cause a riding lawn mower not to turn over?

Other possible causes include: 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.

How do you start a Craftsman riding lawn mower manually?


  1. Step 1: Place the key in the ignition switch.
  2. Step 2: Disengage the PTO by setting the lever to the PTO OFF position.
  3. Step 3: Set the parking brake.
  4. Step 4: Activate the choke.
  5. Step 5: Turn the key to START. …
  6. Step 6: Set the throttle/choke control to FAST before you start mowing.

How do you bypass the safety switch on a Craftsman riding lawn mower?

Quote from Youtube video: Simple this is going to be for like 2010. And later craftsman. And Husqvarna tractors you're going to have a plug that's a 4 pin or a 3 pin doesn't matter it's going to be the same either way.

Why does my riding lawn mower clicks but wont start?

If your riding lawn mower engine clicks when you turn the key but won’t turn over, there’s a pretty good chance your mower could have a bad starter solenoid. Other problems, though not as frequent, include a bad starter motor, a wiring failure, a weak battery or a locked-up engine.

Can a dirty air filter cause a lawn mower not to start?

Before the incoming air enters the carburetor, it passes through an air filter to remove dust and dirt. When the filter is doing its job, it may get clogged up with debris removed from the air and not allow a sufficient amount of air into the carburetor and prevent the engine from starting.

How do I clean the carburetor on my lawn mower?

Quote from the video:
Quote from Youtube video: So you want to make sure that's clean and the way you can do that is just simply get a piece of small wire. And see you and you poke it in and out of that hole make sure that it's clean.

Where is the choke on a Craftsman riding mower?

Where is the choke on a craftsman riding lawnmower? The choke lever is typically positioned below the steering wheel on its left side. It is a lever that moves up and down to set the air-fuel mixture.

How do you prime a Craftsman riding lawn mower?

How to Prime a Craftsman Push Mower

  1. Look for a flexible push-button style bulb on the carburetor of your Craftsman mower. …
  2. Park the mower on flat, level ground.
  3. Press the primer bulb fully 3 times. …
  4. Crank the engine.

How do you prime a riding mower?

How to Prime a Lawnmower Carburetor

  1. Remove the cap from the lawnmower fuel tank. …
  2. Locate the primer bulb on the side of the lawnmower engine. …
  3. Press and release the primer bulb three times with your finger to prime the lawnmower carburetor.
  4. Pull the throttle lever on the lawnmower handle to the “fast” position.

How do you start a Sears Craftsman lawn mower?

Quote from the video:
Quote from Youtube video: So you push to push your pedal down lift up on the parking brake. And then let go to pedal that'll lock it in now you can start it all right you have your height adjustment for your mower deck.

How many safety switches does a Craftsman riding mower have?

Where are the safety interlock switches located on a riding mower? There are 4 safety interlock switches on our lawn and garden tractors.

Where are the safety switches on a Craftsman mower?

Operator Presence System (OPS) Sears Craftsman Riding Mowers conform to safety codes standardized for all American manufactured lawn tractors. The safety switch beneath the seat is only one part of the several interconnecting safety features of the modern riding mower.

How do you check a safety switch on a riding lawn mower?

Quote from the video:
Quote from Youtube video: Make sure the leads don't touch each other. But put a lead on each of the post on the same side. And you'll hear there's no tone. So we know on this side hopefully when I push the button.

How do I know if my lawn mower ignition switch is bad?

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.

How do you bypass a lawn mower safety switch?

Quote from the video:
Quote from Youtube video: Your position if you come up off the seat right here the engines gonna shut off. So to disable this switch.

Do riding lawn mowers have fuses?

If you think your riding lawn mower has blown a fuse, trying to locate that fuse may be the most challenging step in replacing it. While different lawn mower manufacturers have located the fuse holder in different areas of the lawn mower, the best place to start looking is near the mower’s battery, according to Sears.

Is there a fuse on a Craftsman riding mower?

This video provides step-by-step repair instructions for replacing the fuse on a Craftsman riding lawn mower. The most common reason for replacing the fuse is when the fuse is blown. Before you replace the fuse in your riding mower Make sure the ignition switch is in the “off” position and the key has been removed.

How do I know if my lawn mower fuse is blown?

Quote from the video:
Quote from Youtube video: And intermittent short can be difficult to find try wiggling each wire harness in the mower back and forth and then repeat the test using the fuse. If you wiggle or harness and the fuse blows.