Honda CRF250F Owner's Manual Installation And Operation page 221

3. To prevent rusting in the cylinder,
perform the following:
• Remove the spark plug cap from the
spark plug. Using tape or string,
secure the cap to any convenient
plastic body part so that it is
positioned away from the spark plug.
• Remove the spark plug from the
engine and store it in a safe place. Do
not connect the spark plug to the
spark plug cap.
• Pour a tablespoon (15—20 cm
clean engine oil into the cylinder and
cover the spark plug hole with a piece
of cloth.
• Crank the engine several times to
distribute the oil.
• Reinstall the spark plug and spark
plug cap.
96
4. Remove the battery. Store in an area
protected from freezing temperatures
and direct sunlight.
Slow charge the battery once a month.
5. Wash and dry the motorcycle. Wax all
painted surfaces. Coat chrome with
rustinhibiting oil.
6. Lubricate the drive chain (page 71).
7. Inflate the tyres to their recommended
pressures. Place the motorcycle on
blocks to raise both tyres off the ground.
8. Cover the motorcycle (don't use plastic
) of
3 or other coated materials) and store in
an unheated area, free of dampness with
a minimum of daily temperature
variation. Do not store the motorcycle in
direct sunlight.