Yamaha GRIZZLY 125 YFM125GT Owner's Manual page 130

NOTE:
If the drive select lever is shifted into reverse
while the engine is running, the engine will stop
unless the parking brake or rear brake lever is
applied.
w
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 obsta-
cles or people behind you. When it is safe to
proceed, go slowly.
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