Riding mower & lawn tractor articles

From helping you troubleshoot why your riding mower won't start to how to level a mower deck to get an even cut, these articles and how-to videos from Sears PartsDirect help you get the most from your riding mower or lawn tractor. For additional DIY advice, check out our riding mower and lawn tractor repair help section for common symptoms and step-by-step repair instructions.

Riding Mowers & Tractors

Articles and videos common to all riding mowers & tractors

September 27, 2019
Learn about the different types of riding mower blades

Learn about the different kinds of mower blades and how to maintain them.

April 9, 2019
Riding mower parts and supplies to stock up on.

Keep these 6 things on hand to keep the mower season running smoothly.

November 1, 2018
Using a wiring schematic to trace a current.

Find out what’s wrong with your appliance by following a circuit.

November 1, 2018
How to read a wiring schematic.

Learn how to decipher symbols so you can buy the right part for your problem.

May 1, 2017
Riding lawn mower engine spins but won't start video.

Troubleshoot fuel, spark and compression issues.

May 1, 2017
Riding lawn mower engine dies when you release the brake video.

Find out how to check the seat switch to see if it’s broken or unplugged.

May 1, 2017
Troubleshooting a riding lawn mower blown fuse video.

Test the ignition switch and wire harnesses to find the short.

April 1, 2017
How to tune up a riding lawn mower video.

Learn how to change the oil, oil filter, air filter, spark plug and fuel filter.

June 1, 2016
How to mow a lawn for healthier grass.

How often and tall you mow your lawn has a big impact on its health. Check out these 3 rules.

June 1, 2016
Think you need a bigger lawn mower if your grass is really thick?

Don't get taken for a ride! Get the low-down on 3 common misperceptions.

March 1, 2016
How to change the Smart Switch Ignition password on a lawn tractor video.

See how to unlock the factory default start code so you can set your own passcode.

March 1, 2016
If the deck on your riding mower isn't level, the grass will have an uneven look to it when you cut it.

Mower not cutting the grass evenly? Your mower deck might be the problem.

February 1, 2016
How to clean the air filter in your lawn tractor.

Cleaning the air filter in a lawn tractor takes just minutes and improves engine performance.

June 1, 2015
Why does my lawn tractor cut unevenly?

Following these 7 tips will help you achieve a well-manicured lawn.

March 1, 2015
Easy DIY riding lawn mower repairs.

Read about a few of the easy-to-do repairs that you can do yourself on a riding lawn mower or lawn tractor.

Articles and videos for rear-engine riding mowers

February 1, 2015
How to check the safety interlock circuits on a zero-turn lawn tractor.

Learn how to check the safety interlock circuits on a zero-turn mower.

February 1, 2015
When to maintain a zero-turn lawn tractor.

Learn what you can do to keep your zero-turn lawn tractor cutting well.

Symptoms common to all riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, dirty carburetor
Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components
Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, broken fuel line
Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tune up
Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly
Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged mandrel pulleys
Main causes: shift lever needs adjustment, neutral control needs adjustment
Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a tune up

Repair guides common to all riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

How to replace the starter motor on a riding lawn mower

If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replace it.

Repair difficulty
Time required
 30 minutes or less
January 1, 2015
By Lyle Weischwill
How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.

Repair difficulty
Time required
 60 minutes or less
January 1, 2015
By Lyle Weischwill
How to replace a riding lawn mower blade

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.

Repair difficulty
Time required
 30 minutes or less