Riding mower & lawn tractor repair guides
If your riding lawn mower won't start, it runs rough or it doesn't cut grass like it should, let Sears PartsDirect help you learn how to fix it. We have easy-to follow riding lawn mower repair guides and videos, as well as expert troubleshooting advice in our DIY repair help section. Once you find out which part you need to replace, search your model number to find the complete list of parts for your riding mower or lawn tractor.
Repair guides for 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.…
How to replace the flywheel key on a riding lawn mower
If the engine won't restart after hitting a stump or rock, the problem could be a sheared flywheel key. Follow these ste…
How to replace the seat switch on a riding lawn mower
Follow the steps in this guide to install a new riding mower seat switch in about 15 minutes.…
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 …
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 replac…
How to replace the seat on a riding lawn mower
A broken seat can keep the mower from running.…
How to replace the starter solenoid on a riding lawn mower
Replace the starter solenoid if it doesn't click when you turn the ignition key.…
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.…
How to replace a riding lawn mower ignition coil
If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in…
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.…
How to rebuild a riding lawn mower carburetor
Get your sputtering carburetor running smoothly in 60 minutes.…
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.…
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 t…
How to replace a riding lawn mower fuel filter
Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.…
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 guides for rear-engine riding mowers
How to adjust the neutral control on a zero-turn riding mower
Adjust the neutral control if your zero-turn riding mower creeps forward or backward while both steering lap bars are in…
How to remove the mower deck on a zero-turn riding mower
Follow the steps in this guide to remove the mower deck for cleaning or inspection.…
How to replace a cutting blade on a zero-turn riding mower
Replace a bent or dull cutting blade in 30 minutes or less. …
How to replace the blade belt on a zero-turn riding mower
A worn or broken blade belt on a zero-turn riding mower prevents the mower blades from working. Here’s how to replace th…
How to replace the electric clutch on a zero-turn riding mower
The electric clutch mounts on the engine crankshaft and controls the cutting blades. This step-by-step guide explains ho…
How to replace the ground drive belt on a zero-turn riding mower
The ground drive belt connects the engine crankshaft to the transmission pulleys to drive the rear wheels.…
Repair guides for front-engine lawn tractors
How to replace a ground drive belt on a riding lawn mower
Replace the ground drive belt if it's broken or too worn to spin the transaxle pulley.…
How to replace a blade clutch cable on a riding lawn mower
If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…
How to replace the brake interlock switch on a riding lawn mower
If the engine won’t start even though the brake is on, the brake interlock switch could be at fault. Here’s how to repla…
How to replace a riding lawn mower blade drive belt
Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…
How to replace a riding lawn mower front tire
Get your mower moving again by using these instructions when replacing a damaged front tire.…
Most common symptoms to help you fix your 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 ma…
Main causes: faulty battery, bad alternator…
Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…
Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…
Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…
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…
Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…
Effective articles & videos to help repair your 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.
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Check the starter solenoid, starter motor, wiring, battery and engine.…