Riding mower & lawn tractor symptoms
A riding mower or lawn tractor that won't start, won't move, runs rough or misfires is a frustrating problem to deal with when the grass keeps growing and growing. Use our symptoms and DIY troubleshooting solutions to fix these and other lawn tractor problems. Order the parts you need by entering your riding mower's model number in the search bar at the top of the page. Follow the step-by-step procedures in our
riding mower repair guides to install replacement parts and get back to mowing. Back to DIY riding mowers & tractors help Symptoms common to all riding mowers & tractors
Choose a symptom to see related riding mower and lawn tractor repairs.
Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged mandrel pulleys
Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components
Main causes: faulty battery, bad alternator
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tune up
Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, dirty carburetor
Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, broken fuel line
Main causes: shift lever needs adjustment, neutral control needs adjustment
Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly
Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim
Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a tune up
Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clogged carburetor
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.
Your mower can’t run on a damaged rear tire. Here’s how to install a new one.
If a blade on your mower is dull or bent, replace it following the steps in this repair guide.
Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.
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.
Learn how a blade removal tool makes replacing the blade easier and safer
Keep these 6 things on hand to keep the mower season running smoothly.
Learn how to use a battery charger if your mower battery is dead.