Walk-behind lawn mower repair guides
If your walk-behind lawn mower won't start, the engine runs rough or the mower doesn't cut grass like it should, learn how to fix it by following the steps in these DIY repair guides and videos. Our repair help covers major brands, like Craftsman, Poulan and Snapper. Search your model number to find a complete list of replacement parts, then order the part you need.
These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.
The flywheel key couples the flywheel to the engine crankshaft. Replace the flywheel key if it's broken.
Replace the ignition coil if it isn't sending electric current to the spark plug when you pull the recoil starter rope.
The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive cable if it's broken or frozen up inside the sheath.
The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.
Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cracked.
Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.
Replace the recoil starter if it doesn't move when you pull the starter rope.
Check your lawn mower blade regularly and replaced it if it's bent or damaged.
Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.
The carburetor mixes air with fuel to drive the piston. Replace the carburetor if it's clogged or damaged.
Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.
If the starter rope on your walk-behind lawn mower won't retract, replace the mower recoil starter assembly.
When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to replace this tiny but essential part.
If the spark plug doesn't fire when you try to start the mower, you could have a defective ignition coil. Follow these step-by-step instructions to replace it.
Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.
See how to tune up your mower once a year to keep it running well.
Do these 5 things this spring for a lawn that's healthier all summer.
Prevent your mower deck from rusting by following our advice for keeping grass clippings from sticking.