Honda UMK425T Owner's Manual page 54

3.Clean in warm soapy water, rinse and allow to dry to thoroughly. Or
clean in high flash point solvent and allow to dry. Dip the element in
clean engine oil and squeeze out all the excess.
The engine will smoke during initial startup if too much oil is left in
the foam.
Clean
4.Reinstall the air cleaner element.
5.Reinstall the air cleaner cover by inserting the lower tabs, then insert
the upper tab.
Squeeze and dry
Do not twist.
Dip in oil
Squeeze
Do not twist.
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