2006 YAMAHA GRIZZLY 660 drain bolt

8-43 1. Engine oil drain bolt
1. Boulon de vidange de l’huile
1. Perno de drenaje del aceite de motor
To change the engine oil (with or without oil fil-
ter cartridge replacement)
1. Remove panel F. (See page 8-33 for panel
removal and installation procedures.)
2. Start the engine, warm it up for several min-
utes, and then turn it off.
3. Place an oil pan under the engine to collect
the used oil, and then remove the engine oil
filler cap.
4. Remove the engine oil drain bolt to drain the
oil from the crankcase.
U2C660.book Page 43 Monday, April 11, 2005 10:29 AM

8-49
9. Install panels D and E.
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
U2C660.book Page 49 Monday, April 11, 2005 10:29 AM

8-53 1. Final gear oil filler bolt
1. Boulon de l’orifice de remplissage du carter de transmission finale
1. Perno de relleno de aceite de la transmisión final
1. Final gear oil drain bolt
1. Boulon de vidange du carter de transmission finale
1. Perno de drenaje de aceite de la transmisión final
EBU08801
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.
Replacing the final gear oil
1. Place the ATV on a level surface.
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:
Final gear oil drain bolt:
23 Nm (2.3 m·kgf)
U2C660.book Page 53 Monday, April 11, 2005 10:29 AM

8-59 1. Differential gear oil drain bolt
1. Boulon de vidange de l’huile de différentiel
1. Perno de drenaje de aceite de engranajes del diferencial
Replacing the differential gear oil
1. Place the ATV on a level surface.
2. Place a container under the differential gear
case to collect the used oil.
3. Remove the differential gear oil filler bolt and
differential gear oil drain bolt to drain the oil.
4. Install the differential gear oil drain bolt and
tighten it to the specified torque.
Tightening torque:
Differential gear oil drain bolt:
10 Nm (1.0 m·kgf)
U2C660.book Page 59 Monday, April 11, 2005 10:29 AM

8-67 1. Coolant drain bolt
1. Boulon de vidange du liquide de refroidissement
1. Perno de drenaje del refrigerante
1. Trough
1. Feuille de papier repliée en forme de conduit
1. Pasante
EBU13221
Changing the coolant
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. _1. Place the ATV on a level surface.
2. Remove panels E and F. (See pages 8-31–
8-33 for panel removal and installation proce-
dures.)
3. Place a container under the engine, and then
remove the coolant drain bolt. (Use a trough
or a similar object as shown to prevent cool-
ant from spilling on the footrest.)
4. Remove the front carrier and panel C. (See
pages 8-25–8-29 for panel removal and in-
stallation procedures.)
U2C660.book Page 67 Monday, April 11, 2005 10:29 AM

8-69 1. Radiator cap
1. Bouchon du radiateur
1. Tapa del radiador
1. Coolant reservoir drain hose
1. Boulon de vidange du liquide de refroidissement
1. Manguera de drenaje del depósito de refrigerante
5. Remove the radiator cap.
6. Remove panel D. (See pages 8-19–8-21 for
panel removal and installation procedures.)
7. Remove the coolant reservoir cap.
8. Disconnect the hose on the coolant reservoir
side, and then drain the coolant from the
coolant reservoir.
9. After draining the coolant, thoroughly flush
the cooling system with clean tap water.
10. Replace the coolant drain bolt washer if it is
damaged, install the coolant drain bolt, and
then tighten it to the specified torque.
Tightening torque:
Coolant drain bolt:
10 Nm (1.0 m·kgf)
U2C660.book Page 69 Monday, April 11, 2005 10:29 AM