Replace lawnmower air filter

Why It Matters

A clogged air filter chokes the engine, reduces power, and can cause hard starting and rich fuel mixtures.

Materials

• Replacement air filter (same type and size as the old one)

How to Do It

1. Locate the air filter housing on the engine, typically a plastic or metal cover secured by a clip, wing nut, or screw.
2. Open the housing and remove the old filter, noting whether it is a paper, foam, or dual-element type.
3. Compare the old filter to the replacement to confirm the type and size match.
4. Install the new filter, orienting it the same way the old one sat, then snap or fasten the housing closed.

Related Tasks

• Add fuel stabilizer and run mower for 5 minutes Once a year
• Change lawnmower oil Once a year
• Clean and remove grass clippings from mower Once a year
• Reinstall lawnmower battery Once a year
• Remove and store lawnmower battery indoors Once a year