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 with repair help and online manuals from Sears PartsDirect. These mower repair guides cover major brands, like Craftsman, Poulan and Snapper. Enter your model number for even more specific help, recommendations and answers, including user manuals and manufacturer-approved lawn mower parts.

Most Popular Guide

All Guides

How to Replace a Lawn Mower Recoil Starter on a Flathead Engine

mower starter pull rope PD_0071_247_951-10658

If the starter rope on your walk-behind lawn mower won't retract, replace the mower recoil starter assembly.

How to Replace a Lawn Mower Flywheel Key on an OHV Engine

file

The flywheel key couples the flywheel to the engine crankshaft. Replace the flywheel key if it's broken.

How to Replace a Lawn Mower Wheel

wheels PD_0071_071_33095

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.

How to Replace a Lawn Mower Spark Plug

file

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.

How to Replace a Lawn Mower Blade

file

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

How to Replace a Lawn Mower Safety Switch

file

The safety switch stops the engine when you release the lever on the handle. This repair guide explains how to replace it if it's not working correctly.

How to Replace a Lawn Mower Drive Belt

file

Learn how to replace the drive belt on your lawn mower if it's worn or broken and won't drive the mower.

How to Replace a Lawn Mower Starter Rope

starter rope PD_0071_500_697316

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.

How to Replace a Lawn Mower Ignition Coil on an OHV Engine

file

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

How to Replace a Lawn Mower Flywheel Key on a Flathead Engine

file

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.

How to Replace a Lawn Mower Drive Cable

file

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.

How to Replace a Lawn Mower Recoil Starter on an OHV Engine

file

Replace the recoil starter if it doesn't move when you pull the starter rope.

How to Replace a Lawn Mower Front Deck Tray

file

Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.

How to Replace a Lawn Mower Transmission

file

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.

How to Replace a Lawn Mower Ignition Coil on a Flathead Engine

file

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.

How to Replace a Lawn Mower Carburetor

file

The carburetor mixes air with fuel to drive the piston. Replace the carburetor if it's clogged or damaged.

How to Rebuild a Lawn Mower Carburetor

file

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.