Honda EW140 Owner's Manual page 34

2. Wash the element in a solution of household detergent and warm water,
then rinse thoroughly, or wash in nonflammable or high flash point sol-
vent. Allow'the element to dry thoroughly.
3. Soak the element in clean engine oil and squeeze out the excess oil.
The engine will smoke during initial start-up if too much oil is left in the
element.
4. Reinstall the air cleaner element and the cover.
ELEMENT
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32