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How to Change the Air Filter on a Riding Mower

This is how you remove and replace the air filter of a Troy-Bilt riding lawn mower with a Kohler Engine. Always be sure to check your owner's manual for detailed instructions on how to change the air filter of your riding lawn tractor.


Step 1: 
Turn the mower off and make sure the engine is cool. Remove the ignition key. Disconnect the spark plug ignition wire. Engage the parking brake.

Step 2:
Remove the wing nuts from the top and bottom of the air filter assembly.

Step 3:
Remove the assembly.

Step 4:
Separate the foam element from the paper element.

Step 5:
Wash the foam element in mild detergent and water and allow it to dry completely.
Warning: Never use gasoline or low flash-point solvents for cleaning the air cleaner element.

Step 6:
Apply a few drops of clean engine oil to the foam element and squeeze out all excess oil.

Step 7:
Replace the paper and foam elements.

Step 8:
Replace air filter assembly and tighten wing nuts.

Step 9:
Reconnect the spark plug ignition wire.