Keeping your riding mower in top shape isn't hard--and with the right maintenance it can
run reliably for years.
When working on your mower, do it in a well-ventilated area on a hard, flat surface.
Also, disconnect the battery.
And be sure to read your owner's manual for instructions specific to your mower.
Every time you mow you should check for loose or missing fasteners, shields, and deflectors.
See that the tires are fully inflated and test the brakes.
Also check the oil level with the dipstick.
After you’ve cut your lawn, it's important to brush off the deck and engine.
Be careful, the motor may be hot.
A couple of times a season, lubricate the spindles and pivot points, and check the air
filter.
If it's dirty or damaged, put in a new one.
If your mower uses an air filter pre-cleaner, wash it with detergent and water, rinse and
dry.
Also, make sure the blades aren't bent or broken, and if they are replace them.
Next, change the oil.
Run the mower for a minute to make it easier to drain.
Turn it off, and disconnect the battery.
Remove the drain cap, and drain the oil into a pan.
Always replace the oil filter when you change the oil.
Wipe around the canister, and twist it off.
Then, wipe some clean oil on the new filter gasket, and screw on the canister until the
gasket contacts the base.
Then tighten one half turn.
Be sure to dispose of the old oil and filter properly.
Add oil until the level settles at the full mark.
DON’T OVERFILL.
Reconnect the battery and run the engine to check for leaks.
Check the level one more time and add oil if necessary.
Now, here are some things to do at the end of every season.
Clean the engine cooling fins with a brush or compressed air.
And check that the muffler and spark arrester aren't rusted or loose.
It’s a good idea to replace the spark plugs once a year.
With the engine cool and the battery disconnected, remove the plug wires and unscrew the spark
plugs.
Screw the new plugs into the engine and replace the wires.
Next, replace the fuel filter.
Do this when the tank is empty.
Put a pan under the filter and slide away the hose clamps.
Then pull off the hoses.
Connect the new filter with the arrow pointing in the direction of the fuel flow.
Install the clamps and check for leaks.
Now remove mower deck.
Thoroughly clean it—including underneath—and check the condition of the drive belts.
Replace them if they're cracked or worn.
After a season of mowing the blades will be dull.
It’s easiest just to replace them with new ones.
Start by blocking them with a piece of wood.
Remove the nut, along with the blade and washer.
To reinstall, position the blade on the splined shaft with the cutting edge facing the ground.
Install the washer and replace the nut.
With the blades blocked, tighten with a wrench.
Reinstall the deck and check that it's level.
To store your gasoline-powered mower for the winter follow the instructions for your mower
and engine.
Manufacturers may instruct you to run the fuel system dry or to store the mower with
the tank full of fuel mixed with a fuel stabilizer.
Then, remove the spark plugs and squirt about an ounce of oil into the cylinders.
Put the plugs back in and crank the engine a few times to distribute the oil.
After that you can remove the battery and store it where it will not freeze.
Store the mower in a dry, protected place.
And that's it.
Some simple maintenance will keep your mower in top shape.
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Up next, see how to maintain a push mower.