This step-by-step riding mower repair guide shows how to replace the fuel filter in a riding lawn mower. The fuel filter keeps dirt from getting into the carburetor. A clogged or dirty fuel filter doesn’t let enough fuel reach the carburetor, so the engine run roughs or stops running completely. Remove the old fuel filter and install a new one when you tune up your lawn tractor each year, using a manufacturer-approved replacement part.
This procedure works for common Briggs & Stratton engines that power Craftsman, MTD, Husqvarna, Murray, Toro, Troybilt, Snapper, Yard-Man, Ariens, Poulan and John Deere riding mowers and lawn tractors.
This video explains how to replace the fuel filter on a riding lawn mower.
Disconnect the spark plug
Park the tractor on a level surface in a well-ventilated area.
Set the parking brake.
Turn the ignition switch off and remove the key.
Let the engine cool.
Wear work gloves to protect your hands.
Lift the tractor hood and disconnect the spark plug wire.Tip: Disconnect both spark plug wires if your tractor has 2 cylinders.
Disconnect the spark plug.
Remove the old fuel filter
Remove the lower dash fastener and pull off the lower dash.
Clamp hose pinch-off pliers onto the fuel line on each side of the fuel filter to block the flow of fuel.
Position the shop rag under the fuel filter to catch drips.
Release the hose clamps and remove the hose from each side of the fuel filter.
Wipe up any spilled fuel.
Clamp off the fuel line.
Install the new fuel filter
Connect the hose on each side of the new fuel filter using the hose clamps.
Release the hose pinch-off pliers from each side of the fuel filter.
Reinstall the lower dash and secure it with the fastener.
Install the new fuel filter.
Reconnect the spark plug
Reconnect the spark plug wire and lower the tractor hood.Tip: Reconnect both spark plug wires if your engine has 2 cylinders.
These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.
If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replace it.
If the engine is hard to start or if the spark plug electrode is burnt or cracked, take 15 minutes to replace it.
Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.
Troubleshoot fuel, spark and compression issues.
How often and tall you mow your lawn has a big impact on its health. Check out these 3 rules.
See how to unlock the factory default start code so you can set your own passcode.