2005 YAMAHA YFZ450 drain bolt

8-29 1. Crankcase engine oil drain bolt
1. Boulon de vidange d’huile du carter
1. Perno de drenaje de aceite de motor del cárter
1. Engine oil tank drain bolt
1. Boulon de vidange du réservoir d’huile
1. Perno de drenaje del depósito aceite de motor
4. Remove the engine oil filler cap and the
crankcase engine oil drain bolt.
5. Remove the engine oil tank filler cap and the
engine oil tank drain bolt.
6. Check the washers for damage, and replace
if necessary.
U5TG61.book Page 29 Friday, April 2, 2004 11:28 AM

8-33
11. Install the crankcase engine oil drain bolt and
the engine oil tank drain bolt, and then tighten
them to the specified torques.
12. Pour the specified amount of recommended
engine oil through the engine oil tank filler
hole, insert the dipstick, and then tighten the
engine oil tank filler cap.
13. Pour the specified amount of recommended
engine oil through the engine oil filler hole,
and then install and tighten the engine oil filler
cap. Tightening torque:
Oil filter element cover bolt:
10 Nm (1.0 m·kgf)
Tightening torques:
Crankcase engine oil drain bolt:
20 Nm (2.0 m·kgf)
Engine oil tank drain bolt:
19 Nm (1.9 m·kgf)
U5TG61.book Page 33 Friday, April 2, 2004 11:28 AM

8-45 1. Coolant drain bolt 2. Trough
1. Boulon de vidange du liquide de refroidissement
2. Feuille de papier pliée comme illustré
1. Perno de drenaje de refrigerante
2. Elemento de paso
1. Radiator cap
1. Bouchon de radiateur
1. Tapa del radiador
EBU14130
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 panel A. (See page 8-17 for panel
removal and installation procedures.)
3. Place a container under the engine, and then
remove the coolant drain bolt. (Use a trough
or a similar object as shown.)
4. Remove the radiator cap.
U5TG61.book Page 45 Friday, April 2, 2004 11:28 AM

8-47 1. Coolant reservoir cap 2. Coolant reservoir
3. Bolt (× 2)
1. Bouchon du vase d’expansion 2. Vase d’expansion
3. Boulon (× 2)
1. Tapa del depósito de líquido refrigerante
2. Depósito de refrigerante
3. Perno (× 2)
5. Remove the coolant reservoir by removing
the bolts.
6. Remove the coolant reservoir cap, and then
turn the coolant reservoir upside down to
empty it.
7. After draining the coolant, thoroughly flush
the cooling system with clean tap water.
8. Install the coolant reservoir by installing the
bolts.
9. Replace the coolant drain bolt washer if it is
damaged, and then tighten the coolant drain
bolt to the specified torque.
10. Pour the recommended coolant into the radi-
ator until it is full.
11. Pour the recommended coolant into the cool-
ant reservoir to the maximum level mark. Tightening torque:
Coolant drain bolt:
10 Nm (1.0 m·kgf)
U5TG61.book Page 47 Friday, April 2, 2004 11:28 AM