Kohler — Oil Change
Maintenance · Lubrication system
From a Kohler service manual covering: 4CFKM, 4CKM, 5CKM, 5CKM/SCKMR, ACKM/4CKMR. Check it applies to your exact model before use.
Applies to: Kohler 4CFKM, Kohler 4CKM, Kohler 5CKM, Kohler M18 / M20 engine, Kohler M18 engine
Procedure
- Place container below oil drain and open drain petcock beneath dipstick.
- Allow old oil to drain completely, then close petcock.
- Remove oil fill cap dipstick.
- Replace oil filter if required.
- Fill crankcase with specified amount and type of oil.
- Start generator set and check for oil leaks.
- Stop set, check level, add oil to max mark.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Capacity 1.5 qt (1.4 L) 4 kW; 2.5 qt (2.36 L) 5 kW
- SAE 30, API SF or SG
Full service-parts list: Kohler 4CFKM →, Kohler 4CKM →, Kohler 5CKM →
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.