Yamaha YXR660FAS Owner's Manual page 142

8. Remove the battery and charge it. Store
it in a dry place and recharge it once a
month. Do not store the battery in an ex-
cessively 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 vehicle.
_
9-4