Honda EM25 Manuel De L'utilisateur page 21

3. Check the air cleaner.
Check the air cleaner elements to be sure they are clean and in good
condition.
Unsnap the four clips, remove the air cleaner cover, remove the foam
element from the air cleaner cover, and check the both elements.
Clean or replace the element(s) if necessary (see page 35).
CAUTION:
Never run the engine without the air cleaner element. Rapid engine
wear will result from contaminants, such as dust and dirt, being drawn
through the carburetor, into the engine.
AIR CLEANER COVER PAPER ELEMENT
CLIPS
FOAM ELEMENT
AIR CLEANER COVER
18