2004 YAMAHA GRIZZLY 660 torque

5-21
WARNING
_ Wait for the engine and radiator to cool before
removing the radiator cap. You could be
burned by hot fluid and steam blown out under
pressure. Always put a thick rag over the cap
when opening. Allow any remaining pressure
to escape before completely removing the cap. _
EBU01083
Throttle lever
Check to see that the throttle lever operates cor-
rectly. It must open smoothly and spring back to
the idle position when released. Have a Yamaha
dealer repair as necessary for proper operation.
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Fittings and fasteners
Always check the tightness of chassis fittings and
fasteners before a ride. Take the machine to a
Yamaha dealer or refer to the Service Manual for
correct tightening torque.Coolant reservoir capacity
(up to the maximum level mark):
0.3 L
EE.book Page 21 Tuesday, April 1, 2003 12:23 PM

8-3 1. Owner’s manual
2. Owner’s tool kit
3. Low-pressure tire gauge
1. Manuel du propriétaire
2. Trousse à outils
3. Manomètre basse pression pour pneus
1. Manual del propietario
2. Juego de herramientas del propietario
3. Manómetro de baja presión
EBU00563
Owner’s manual and tool kit
You are recommended to put this owner’s manual
in the vinyl bag and always carry it in the storage
box. Put the owner’s tool kit and low-pressure tire
gauge in the space beside the battery.
The service information included in this manual is
intended to provide you, the owner, with the nec-
essary information for completing your own pre-
ventive maintenance and minor repairs. The tools
provided in the Owner’s tool kit are sufficient for
this purpose, except that a torque wrench is also
necessary to properly tighten nuts and bolts.NOTE:_ If you do not have a torque wrench available dur-
ing a service operation requiring one, take your
machine to a Yamaha dealer to check the torque
settings and adjust them as necessary. _
EE.book Page 3 Tuesday, April 1, 2003 12:23 PM

8-27 1. Front carrier stay cover (× 2)
1. Cache de support de porte-bagages avant (× 2)
1. Cubierta de soporte del portaequipajes delantero (× 2)
To install1. Place the panel in the original position and in-
stall the quick fasteners.
2. Install the front carrier by installing the bolts
and tightening them to the specified torques.
3. Install the stay covers.Tightening torques:
Carrier bolt (top):
26 Nm (2.6 m·kgf)
Carrier bolt (under fenders):
7 Nm (0.7 m·kgf)
EE.book Page 27 Tuesday, April 1, 2003 12:23 PM

8-41 1. O-ring
1. Joint torique
1. Junta tórica
1. Torque wrench
1. Clé dynamométrique
1. Llave de apriete
NOTE:_ An oil filter wrench is available at a nearby
Yamaha dealer. _7. Apply a light coat of engine oil to the O-ring of
the new oil filter cartridge.NOTE:_ Make sure the O-ring is seated properly. _8. Install the new oil filter cartridge with an oil fil-
ter wrench, and then tighten it to the specified
torque with a torque wrench.
Tightening torque:
Oil filter cartridge:
17 Nm (1.7 m·kgf)
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8-43
9. Install panel D.
10. Install the engine oil drain bolt, and then tight-
en it to the specified torque.
11. Add the specified amount of recommended
engine oil, and then install the engine oil filler
cap and tighten it. Tightening torque:
Engine oil drain bolt:
30 Nm (3.0 m·kgf)
Recommended engine oil:
See page 10-2.
Oil quantity:
Without oil filter cartridge replacement:
1.9 L
With oil filter cartridge replacement:
2.0 L
EE.book Page 43 Tuesday, April 1, 2003 12:23 PM

8-47 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
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.
4. Install the drain bolt and tighten it to the spec-
ified torque.
Tightening torque:
Drain bolt (final gear case):
23 Nm (2.3 m·kgf)
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8-49
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.
7. Check for oil leakage. If oil leakage is found,
check for the cause. Recommended oil:
See page 10-3.
Oil quantity:
Periodic oil change:
0.25 L
Total amount:
0.30 L
Tightening torque:
Filler bolt (final gear case):
23 Nm (2.3 m·kgf)
EE.book Page 49 Tuesday, April 1, 2003 12:23 PM

8-51 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)
EE.book Page 51 Tuesday, April 1, 2003 12:23 PM