Kohler 12RES / 18RES — Storage Procedure

Maintenance · Generator set

For the Kohler 12RES / 18RES, from the Kohler operator's manual.

Applies to: Kohler 12RES, Kohler 18RES, Kohler CH 740 engine, Kohler CH 980 engine

Procedure

1. Operate the generator set until it reaches operating temperature, or about 15 minutes.
2. Stop the generator set and, while still warm, drain the engine lubrication oil from the crankcase.
3. Refill the crankcase with oil and run the generator set a few minutes to distribute the clean oil, then stop.
4. Start the generator set, shut off the gas supply, and run until the engine stops; place the master switch in OFF/RESET.
5. Remove the spark plugs and pour one tablespoon of engine oil into each spark plug hole.
6. Install the spark plugs and ground the leads; toggle the master switch to crank two or three revolutions.
7. Clean the exterior surface and seal all engine openings with nonabsorbent adhesive tape.
8. Mask all areas to be used for electrical contact and spread a light film of oil on unpainted metallic surfaces.
9. Perform battery storage last: disconnect the battery, negative (--) lead first, and clean it.
10. Place the battery in a warm, dry location and connect to a float/equalize charger or charge monthly with a trickle charger.

Full service-parts list: Kohler 12RES →, Kohler 18RES →

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 →