Yamaha YFM660FS Owner's Manual page 13

8 9
WARNING
UNDER
Operating this ATV if you are under
the age of 16 increases your chance
of severe injury or death.
NEVER operate this ATV if you are
under age 16.
5FE-21697-01
0
Turning the ATV in 4WD-LOCK("DIFF. LOCK")
takes more effort.
Operate at a slow speed and allow
extra time and distance for maneuvers
to avoid loss of control.
1-4
WARNING
5KM-21558-00