Yamaha YFM660FS Owner's Manual page 33

1. Lever
2. On-command four-wheel drive switch "2WD"/"4WD"
On-command four-wheel drive switch
"2WD"/"4WD"
To change from 2WD to 4WD, stop the ATV,
and then set the switch to "4WD". When the
ATV is in 4WD, the 4WD indicator "
come on in the speedometer unit display.
To change from 4WD to 2WD, stop the ATV,
be sure the lever is set to position a, and then
set the switch to "2WD".
1. Differential gear lock switch "LOCK"/"4WD"
2. Lever
Differential gear lock switch "LOCK"/
"4WD"
To lock the differential gear in 4WD, make sure
the on-command four-wheel-drive switch is set
to "4WD", stop the ATV, move the lever to po-
" will
sition b, and then set the switch to "LOCK".
When the differential gear is locked, the differ-
ential gear lock indicator ("DIFF.LOCK") light
will come on along with the indicator "
the speedometer unit display.
To release the differential gear lock, stop the
ATV and set the switch to "4WD".
4-11
" in
DIFF.
LOCK