Yamaha RAPTOR YFM660R Owner's Manual page 152

4. Check behind you for people or obstacles,
then release the rear brake pedal.
5. Open the throttle lever gradually and contin-
ue to watch to the rear while backing.
WARNING
Improper operation in reverse could make you
hit an obstacle or person behind you, resulting
in serious injury. When you shift into reverse,
make sure there are no obstacles or people be-
hind you. When it is safe to proceed, go slowly.
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