Coleman Powermate — Long term storage
Maintenance · Generator
From a Coleman Powermate owner's manual — check it applies to your exact model before use.
Procedure
- Replenish engine oil to upper level.
- Drain gasoline from fuel tank, fuel line and carburetor.
- Pour about one teaspoon of engine oil through the spark plug hole, pull the recoil starter several times and replace the plug.
- Pull starter until piston is on its compression stroke and leave it in that position.
- Cover the unit and store in a clean, dry place that is well ventilated away from open flame or sparks.
Source: Coleman Powermate 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.