Kohler 14RES / 20RES — Oil Change Procedure

Maintenance · Lubrication System

For the Kohler 14RES / 20RES, from the Kohler operator's manual.

Applies to: Kohler 14RES, Kohler 20RES, Kohler CH 740 engine, Kohler CH1000 engine

Procedure

1. Press OFF button on generator set controller.
2. Disconnect utility power to generator set.
3. Disconnect engine starting battery, negative lead first.
4. Remove housing side panel.
5. Clean area around dipstick and oil fill cap.
6. Remove oil drain hose from retaining clip and lower into collection container.
7. Open oil drain valve on engine.
8. Remove dipstick and oil fill cap; allow oil to drain completely.
9. Close oil drain valve and replace cap on drain hose.
10. Replace oil filter by rotating counterclockwise with wrench.
11. Clean gasket sealing surface of oil filter adapter.
12. Apply light coat of clean oil to rubber seal of new filter.
13. Install new oil filter per filter instructions.
14. Add recommended oil through oil fill port.
15. Use dipstick to check oil level before adding final quart.

Full service-parts list: Kohler 14RES →, Kohler 20RES →

Source: Kohler operator's 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.

More Kohler repair guides →