Honda EB2500X Owner's Manual page 37

1. Drain the carburetor by loosening the drain screw. Drain the gasoline
into a suitable container.
Gasoline is extremely flammable and is explosive under certain
conditions. Perform this task in a well ventilated area with the engine
stopped. Do not smoke or allow flames or sparks in the area during this
procedure.
DRAIN
2. Change the engine oil (page 27).
3. Remove the spark plug, and pour about a tablespoon of clean engine oil
into the cylinder. Crank the engine several revolutions to distribute the oil,
then reinstall the spark plug.
4. Slowly pull the starter grip until resistance is felt. At this point, the piston
is coming up on its compression stroke and both the intake and exhaust
valves are closed. Storing the engine in this position will help to protect
it from internal corrosion.
STARTER GRIP
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