2003 YAMAHA GRIZZLY 660 oil

8-41
9. Fill the engine with sufficient oil to reach the
specified level. Install the dipstick and tighten
it.CAUTION:_

Do not put in any chemical additives. En-
gine oil also lubricates the clutch and addi-
tives could cause clutch slippage.


Be sure no foreign material enters the
crankcase.
_
Recommended oil:
See page 10-2.
Oil quantity:
Total amount:
2.2 L
Periodic oil change:
1.9 L
With oil filter replacement:
2.0 L
U5KM60.book Page 41 Thursday, June 21, 2001 2:40 PM

8-43
‘1. Final gear oil drain bolt
1. Boulon de vidange de l’huile de couple conique arrière
1. Perno de drenaje de aceite de la transmisión final
10. Start the engine and warm it up for several
minutes. While warming up, check for oil
leakage. If oil leakage is found, stop the en-
gine immediately and check for the cause.
11. Install the panels.
EBU00880
Final gear oil
The final gear case must be checked for oil leak-
age before each ride. If any leakage is found, have
a Yamaha dealer check and repair the ATV.
Final gear oil replacement
1. Place the machine on a level place.
2. Place a container under the final gear case to
collect the used oil.
3. Remove the oil filler bolt and the drain bolt to
drain the oil.
U5KM60.book Page 43 Thursday, June 21, 2001 2:40 PM

8-45
4. Install the drain bolt and tighten it to the spec-
ified torque.
5. Fill the final gear case with oil.CAUTION:_ Be sure no foreign material enters the final
gear case. _6. Install the filler bolt and tighten to the speci-
fied torque. Tightening torque:
Drain bolt (final gear case):
23 Nm (2.3 m·kgf)
Recommended oil:
See page 10-3.
Oil quantity:
Periodic oil change:
0.25 L
Total amount:
0.30 L
U5KM60.book Page 45 Thursday, June 21, 2001 2:40 PM

8-47
7. Check for oil leakage. If oil leakage is found,
check for the cause. Tightening torque:
Filler bolt (final gear case):
23 Nm (2.3 m·kgf)
U5KM60.book Page 47 Thursday, June 21, 2001 2:40 PM

8-49 1. Differential gear oil
2. Differential gear case oil filler bolt
3. Specified level
1. Huile de différentiel
2. Boulon d’orifice de remplissage du carter de différentiel
3. Niveau d’huile spécifié
1. Aceite de engranajes del diferencial
2. Perno de relleno de aceite de la caja del diferencial
3. Nivel especificado
EBU00706
Differential gear oil
Differential gear oil measurement
1. Place the machine on a level place.
2. Remove the oil filler bolt and check the oil lev-
el. It should be up to the brim of the hole. If
the level is low, add sufficient oil to raise it to
the specified level.CAUTION:
Be sure no foreign material enters the differen-
tial gear case. 3. Install the oil filler bolt and tighten it to the
specified torque.
Tightening torque:
Oil filler bolt:
23 Nm (2.3 m·kgf)
U5KM60.book Page 49 Thursday, June 21, 2001 2:40 PM

8-51 1. Differential gear case oil drain bolt
1. Boulon de vidange de l’huile de différentiel
1. Perno de drenaje de aceite de engranajes del diferencial
Differential gear oil replacement
1. Place the machine on a level place.
2. Place a container under the differential gear
case to catch the oil.
3. Remove the filler bolt and drain bolt to drain
the oil.
4. Install the drain bolt and tighten it to the spec-
ified torque.
Tightening torque:
Drain bolt:
10 Nm (1.0 m·kgf)
U5KM60.book Page 51 Thursday, June 21, 2001 2:40 PM

8-53
5. Fill the differential gear case with oil.CAUTION:
Be sure no foreign material enters the differen-
tial gear case. 6. Install the filler bolt and tighten it to the speci-
fied torque.
7. Check for oil leakage. If oil leakage is found,
check for the cause. Recommended oil:
SAE 80 API “GL-4” Hypoid gear oil
Oil quantity:
Periodic oil change:
0.28 L
Total amount:
0.33 L
U5KM60.book Page 53 Thursday, June 21, 2001 2:40 PM

8-77 1. Air filter element
1.Élément de filtre à air
1. Elemento del filtro de aire
1. Air filter guide
1. Guide de filtre à air
1. Filtro de aire guía
3. Remove the air filter element and remove it
from its frame.
4. Wash the element gently but thoroughly in
solvent.
WARNING
_ Always use parts cleaning solvent to clean the
air filter element. Never use low flash point sol-
vents or gasoline to clean the air filter element
because the engine could catch fire or ex-
plode. _5. Squeeze the excess solvent out of the filter
element and let it dry.CAUTION:_ Do not twist the filter element when squeezing
it. _6. Inspect the element and replace it if dam-
aged.
7. Apply foam air filter oil to the element. If foam
air filter oil is not available, motor oil may be
used.NOTE:_ The element should be wet but not dripping. _
U5KM60.book Page 77 Thursday, June 21, 2001 2:40 PM