Yamaha MOTO-4 1987 Owner's Manual page 87

6. If storing in humid or salt-air atmos-
phere, coat all exposed metal surfaces
with a light film of oil. Do not apply oil
to rubber parts or seat cover.
7. Remove battery and charge it. Store in
a dry place and re-charge once a month.
Do not store battery in an excessively
warm or cold place (less than 0°C (30 ° F)
or more than 30°C (90°F)).
NOTE:
Make any necessary repairs before storing
the machine.
9-3