Generac — Prepare Fuel System for Storage
Maintenance
From a Generac owner's manual — check it applies to your exact model before use.
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Before you start
- Eye protection required to avoid spray from spark plug hole when cranking engine
Procedure
- Change engine oil
- Remove spark plug
- Pour tablespoon (5-10cc) of clean engine oil or spray a suitable fogging agent into cylinder
- Pull starter recoil several times to distribute oil in cylinder
- Install spark plug
- Pull recoil slowly until resistance is felt to close valves
- Gently release recoil
Source: Generac owner'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.