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: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, dirty carburetor
Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clogged 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

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 spark plug

If the engine is hard to start or if the spark plug electrode is burnt or cracked, take 15 minutes to replace it.

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

If the engine of your lawn tractor surges or is hard to start, the carburetor could be the problem. Follow these steps to install a new one.

Repair difficulty
Time required
 45 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.

May 1, 2017

Riding lawn mower engine spins but won't start video

By Sears PartsDirect staff

Troubleshoot fuel, spark and compression issues.

June 1, 2016

How to mow a lawn for healthier grass

By Erin Hynes

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

March 1, 2016

How to change the Smart Switch Ignition password on a lawn tractor video

By Sears PartsDirect staff

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