Toro 74593 Operator's Manual page 36

H. Close the fuel shut-off valve.
Important: Do not store stabilizer/conditioned
gasoline over 90 days.
13. Remove and inspect the spark plug; refer to Servicing
the Spark Plug. With the spark plug removed from
the engine, pour 2 tablespoons of engine oil into the
spark plug hole. Use the electric starter to crank
the engine and distribute the oil inside the cylinder.
Install the spark plug, but do not connect the wire to
the spark plug.
14. Disconnect the negative battery cable. Clean the
battery and battery terminals. Check the electrolyte
level and charge it fully; refer to Servicing the Battery.
Leave the negative battery cable disconnected from
the battery during storage.
Important: The battery must be fully charged
to prevent it from freezing and being damaged
at temperatures below 32°F (0°C). You can store
a fully charged battery during the winter without
recharging.
15. Check and tighten all bolts, nuts, and screws. Repair
or replace any part that is worn or damaged.
16. Paint all scratched or bare metal surfaces with paint
available from an Authorized Service Dealer.
17. Store the machine in a clean, dry garage or storage
area. Remove the ignition and KeyChoice keys from
the mower and keep them in a memorable place.
Cover the machine to protect it and keep it clean.
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