Kohler M18 / M20 — Clean and Reoil Foam Precleaner
Maintenance · Air cleaner
For the Kohler M18 / M20, from the Kohler service manual.
Applies to: Kohler M18 / M20 engine
Procedure
- Remove precleaner from paper element; wash in warm water with detergent.
- Rinse thoroughly; squeeze out excess water (do not wring); air dry.
- Saturate precleaner in clean, fresh engine oil.
- Squeeze out excess oil.
- Reinstall precleaner over paper element.
Specs & values
- Every 25 operating hours; more often in dusty conditions
Source: Kohler service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.