Yamaha Ultramatic GRIZZLY 660 Owner's Manual - page 118
8-25
8
5. Add the recommended differential gear oil to
the brim of the filler hole as shown.
CAUTION:
ECB00410
Be sure no foreign material enters the differen-
tial gear case.
6. Install the oil filler bolt, and then tighten it to the
specified torque.
7. Check the differential gear case for oil leak-
age. If oil is leaking, check for the cause.
EBU23470
Coolant
The coolant level should be checked before each
ride. In addition, the coolant must be changed at
the intervals specified in the periodic maintenance
and lubrication chart.
EBU27120
To check the coolant level
1. Place the ATV on a level surface.
NOTE:
The coolant level must be checked on a cold en-
gine since the level varies with engine tempera-
ture.
2. Check the coolant level in the coolant reser-
voir.
1. Differential gear oil
2. Differential gear oil filler bolt
3. Correct oil level
Recommended differential gear oil:
See page 10-1.
Tightening torque:
Differential gear oil filler bolt:
23 Nm (2.3 m·kgf, 17 ft·lbf)
U2C612E0.book Page 25 Wednesday, March 8, 2006 10:15 AM