August 6, 2020

How to remove a lawn mower blade using a removal tool

By Sears PartsDirect staff
How to use a lawn mower blade removal tool.
How to use a lawn mower blade removal tool.

Replacing a damaged or dull mower blade is easier—and safer—when you use a blade removal tool. This video shows you how to use the tool so the blade doesn’t move when loosening or tightening a blade bolt on a walk-behind or riding lawn mower.

If your mower needs more than just a new blade, check out our DIY repair help for riding mowers and push mowers. You’ll find symptom advice, troubleshooting videos, repair guides and maintenance articles to get your mower in good working condition.

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade
Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up
Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key
Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, bad ignition coil

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

March 1, 2016
By Lyle Weischwill
How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged.

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower ignition coil on an OHV engine

Replace the ignition coil if it isn't sending electric current to the spark plug when you pull the recoil starter rope.

Repair difficulty
Time required
 30 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

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.

Repair difficulty
Time required
 45 minutes or less

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

January 3, 2022

What causes lawn mower engine surging?

By Lyle Weischwill

Learn how to fix your lawn mower when its engine surges

December 29, 2021

Can you use starting fluid on a mower?

By Lyle Weischwill

Learn how to safely use starter fluid on a lawn mower

August 6, 2020

How to remove a lawn mower blade using a removal tool

By Sears PartsDirect staff

Learn how a blade removal tool makes replacing the blade easier and safer