Riding Mowers & Tractors: Flat tire

Check your tractor tires regularly. When a tire goes flat, you can often repair it with tire sealant. You can also sometimes install an inner tube to repair leaks that you can't fix the leak with tire sealant. Replace the tire if you find too much damage to repair.

riding mowers & tractors

These repairs may help solve your riding mowers & tractors problem

Replace the riding mower front tire

Replace the riding mower front tire

Riding lawn mower tires are durable, but like all tires they wear out over time or can be punctured. Replace a damaged front lawn tractor tire with a new one that's the same size as the other front tire.

January 1, 2015
By Lyle Weischwill
How to replace a riding lawn mower front tire

If you can't repair a flat front tire on your riding lawn mower, it's time to replace it. Follow the step-by-step repair guide and video to install a new front tire on a riding lawn mower.

Repair difficulty
Time required
 60 minutes or less
Read more
Replace the riding mower rear tire

Replace the riding mower rear tire

Rear tires on a riding lawn mower need deep tread for good traction to move the mower through the grass when mowing. Replace a worn or damaged rear tire with one that's the same size as the other rear tire.

January 1, 2015
By Lyle Weischwill
How to replace a riding lawn mower rear tire

If your riding lawn mower's rear tire is beyond repair, replacing it is an easy DIY task. This repair guide and video explain how to install a new rear tire on a riding lawn mower.

Repair difficulty
Time required
 60 minutes or less
Read more
Symptoms common to all riding mowers & tractors

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

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clogged carburetor
Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim
Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly
Main causes: faulty battery, bad alternator
Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, broken fuel line
Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components
Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, dirty carburetor
Main causes: shift lever needs adjustment, neutral control needs adjustment
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs 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 a mandrel assembly on a riding lawn mower

Replace the mandrel assembly if the blade shaft vibrates or doesn't spin.

Repair difficulty
Time required
 30 minutes or less
How to replace the air filter on a riding lawn mower

Get your mower running smoothly again by replacing the air filter—it's a quick job you can do yourself, following these steps.

Repair difficulty
Time required
 15 minutes or less
February 1, 2015
By Lyle Weischwill
How to replace a riding lawn mower ignition switch

Get your mower started again by replacing the ignition switch—it's a quick job you can do by following these steps.

Repair difficulty
Time required
 15 minutes or less
Articles and videos common to all riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

December 1, 2017
Wiring schematic symbols explained video
By Sears PartsDirect staff

Learn some of the most common symbols found in a wiring diagram and what they mean.

May 1, 2017
Troubleshooting a riding lawn mower blown fuse video
By Sears PartsDirect staff

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

March 1, 2016
How to level a riding lawn mower deck for an even cut video
By Sears PartsDirect staff

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