Yamaha WARRIOR YFM350XP Owner's Manual page 218

WARNING
_
Use proper gear and maintain steady speed
when climbing a hill. If you lose all forward
speed:
G
Keep weight uphill.
G
Apply the brakes.
G Lock the parking brake, after you are
stopped.
If you begin rolling backwards:
G Keep weight uphill.
G
Never apply the rear brake while rolling
backwards. Apply the front brake. When
fully stopped, apply the rear brake as well,
and then lock the parking brake.
Dismount on uphill side or to a side if pointed
straight uphill. Turn the ATV around and re-
mount, following the procedure described in
the Owner's Manual.
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