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Lawnmower Maintenance

Start Up Check List

We put together a basic lawnmower maintenance check list to get your mower in shape for spring start up and throughout the cutting season.

Spark Plugs

New spark plugs should be a routine procedure at the beginning of the season. A clean, dry spark plug means you're getting a good spark to ignite the gas which pushes the piston and get things running.

If you're having trouble getting the mower to start, checking your spark plug is a good starting place to investigate. If the plug is black from carbon build up or wet, it's time to change it.

Changing The Plug

Start by disconnecting the wire attached to the end of the spark plug. Use the appropriate sized wrench or rachet/sprocket to remove the plug.

Take the old plug with you to the store to be sure you purchase the right sized replacement. Some older lawnmowers might have spark plugs that are no longer manufactured according to the manual specifications. In those cases, a catalogue will cross reference you to a newer plug that will work in your older mower model.

Check Oil and Fuel Levels

Make sure that the mower has oil and that it's at the proper level. The same goes for gas. If you stored the lawnmower at the end of last season without putting in fuel stabilizer, it's best to replace the gas. If you drained the gas before storing it at the end of the season, you'll need to fill the tank with new gas now.

Make sure that the fuel line switch is in the 'on' position. You might need to check the carburetor and fuel line to be sure the gas is getting through.

If you disconnect the fuel hose from the carburetor temporarily, you can see if gas pours out. If it does, all is good, and you just need to reconnect the hose. If it doesn't check the fuel line to be sure it's not gummed up or that the fuel filter is not clogged.

Air Filter and Carburetor

As part of your routine lawnmower maintenance in the spring, you should check that the air filter is clean and replace it if it looks at all to be oily or dusty.

Cleaning the carburetor requires some dis-assembly and cleaning. Look for a nut on the underside of the carburetor that you'll need to remove. This allows you to pull the carburetor off to clean the inside lower portion.

Make sure that the float valve, a small plastic object that hangs down, is moving up and down easily before putting it back in place.

Sharpen The Blade

Be sure to sharpen the mower blade to ensure a clean cut to the grass with less stress on the mower itself.


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