What would cause a riding lawn mower to 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.

How do you fix a riding lawn mower that 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.

What are the symptoms of a bad solenoid on a riding lawn mower?

First, turn the ignition key to the “On” position. Look for the large terminal posts on the solenoid where the thick red wires connect to the solenoid. Touch the metal shaft of a screwdriver to both of the large terminals at the same time. If the engine turns over and starts, the solenoid is bad and should be replaced.

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When I turn the key on my lawn mower and nothing happens?

Bad Battery



If you turn the ignition key on your riding mower, and nothing happens, your battery could be dead. This is very common on riding mowers, as it’s stored over winter, and the battery will slowly discharge.

What are the symptoms of a bad starter on a riding lawn mower?

A riding lawn mower that has a bad starter can be difficult to diagnose. A bad starter can manifest itself in a cranking noise without engine turnover, a clicking when the ignition button is pressed, or a mower that simply does not respond to attempts to start.

How do you start a riding lawn mower that has been sitting for years?

To start a lawnmower that’s bit sitting for years, you first need to check all fluids and fluid-containing parts for any wear or tear, or leaks. Then, check the tires, and look for any rust or corrosion on the bottom side of the riding lawnmower. Charge the battery and then start it!

What does a bad solenoid sound like on a riding lawn mower?

If the connection between the battery and solenoid is loose, broken or improperly grounded, you’ll hear nothing. Otherwise, you should hear a click, then a whirring sound as the starter motor engages the main engine. When only a clicking sound occurs, something is wrong with the starter.

Where is the solenoid located on a riding lawn mower?

The solenoid, typically located near the starter motor, is easily found by tracing the red cable from the battery’s positive terminal directly to the solenoid, where the other end of the cable is attached.

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Why has my tractor stopped working?

The most common cause for the engine not turning over is simply the battery. Either the battery itself is dead, the terminals are corroded so the current can’t travel through them, or the battery cables themselves are damaged. Inspect your battery terminals and cables, and test the battery.

How do I start my lawn mower with a bad starter?

Attach a jumper cable from the large lug where the engine starter cable and other lugs connect to the battery cable. Finally, rotate the ignition keys of the lawn mower. If it just clicks without starting the lawn mower, you may need to replace the solenoid.

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