drain bolt YAMAHA WOLVERINE 450 2004 Owners Manual

8-33 1. Engine oil drain bolt
1. Boulon de vidange de l’huile de moteur
1. Perno de drenaje del aceite de motor
7. If the engine oil is at or below the minimum
level mark, add sufficient oil of the recom-
mended type to raise it to the correct level.
8. Insert the dipstick into the oil filler hole, and
then tighten the oil filler cap.
9. Install the panel.
To change the engine oil (with or without oil fil-
ter cartridge replacement)
1. Remove panel F. (See page 8-29 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.
U5ND61.book Page 33 Thursday, June 5, 2003 7:02 PM

8-37 1. O-ring
1. Joint torique
1. Junta tórica
1. Torque wrench
1. Clé dynamométrique
1. Llave de apriete
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.
9. Install panel E.
10. Install the engine oil drain bolt, and then tight-
en it to the specified torque. Tightening torque:
Oil filter cartridge:
17 Nm (1.7 m·kgf)
Tightening torque:
Engine oil drain bolt:
23 Nm (2.3 m·kgf)
U5ND61.book Page 37 Thursday, June 5, 2003 7:02 PM

8-43 1. Final gear case cover 2. Bolt (× 2)
1. Couvercle du carter de transmission finale 2. Boulon (× 2)
1. Cubierta del cárter de la transmisión final 2. Perno (× 2)
1. Final gear oil drain bolt
1. Boulon de vidange d’huile de transmission finale
1. Perno de relleno de aceite de la transmisión final
Final gear oil replacement
1. Remove the final gear case cover by remov-
ing the bolts.
2. Place the machine on a level surface.
3. Place a container under the final gear case to
collect the used oil.
4. Remove the oil filler bolt and the drain bolt to
drain the oil.
5. Install the drain bolt, and then tighten it to the
specified torque.
Tightening torque:
Final gear oil drain bolt:
23 Nm (2.3 m·kgf)
U5ND61.book Page 43 Thursday, June 5, 2003 7:02 PM

8-49 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
Differential gear oil replacement
1. Place the machine 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)
U5ND61.book Page 49 Thursday, June 5, 2003 7:02 PM

8-57 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 8-27–
8-29 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 8-21 and 8-25 for panel removal and
installation procedures.)
U5ND61.book Page 57 Thursday, June 5, 2003 7:02 PM

8-59 1. Radiator cap
1. Bouchon du radiateur
1. Tapa del radiador
1. Coolant reservoir hose
1. Flexible du vase d’expansion
1. Manguera del depósito de refrigerante
5. Remove the radiator cap.
6. Remove panel D. (See pages 8-17–8-19 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.
11. Connect the coolant reservoir hose.
12. Pour the recommended coolant into the res-
ervoir to the maximum level mark, and then
install the reservoir cap and panel D.
13. Pour the recommended coolant into the radi-
ator until it is full, and then install the radiator
cap. Tightening torque:
Coolant drain bolt:
10 Nm (1.0 m·kgf)
U5ND61.book Page 59 Thursday, June 5, 2003 7:02 PM