drain bolt YAMAHA BIG BEAR PRO 400 2005 Manuale de Empleo (in Spanish)

8-19 1. Engine oil drain bolt 2. O-ring
3. Compression spring 4. Oil strainer
1. Boulon de vidange de l’huile 2. Joint torique
3. Ressort de compression 4. Crépine à huile
1. Perno de drenaje del aceite de motor 2. Junta tórica
3. Muelle de compresión 4. Colador de aceite
1. Clamp
1. Bride
1. Mordaza
5. 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.CAUTION:_ Make sure that no foreign material enters the
crankcase. _6. Insert the dipstick into the oil filler hole, and
then tighten the engine oil filler cap.
To change the engine oil (with or without oil fil-
ter element cleaning)
1. Place the ATV on a level surface.
2. Warm up the engine for several minutes, and
then turn it off.
3. Place a container under the engine to collect
the used oil.
4. Remove the engine oil filler cap, and then re-
move the engine oil drain bolt to drain the oil
from the crankcase.
U1C160.book Page 19 Wednesday, May 12, 2004 4:55 PM

8-21 1. Engine oil filter element cover bolt (× 3)
2. Oil filter element cover
3. Bolt
1. Boulon de couvercle de l’élément de filtre à huile moteur (× 3)
2. Couvercle de l’élément de filtre à huile
3. Boulon
1. Perno de la tapa del elemento del filtro de aceite de motor (× 3)
2. Tapa del elemento del filtro de aceite
3. Perno
CAUTION:_ When removing the engine oil drain bolt, the
compression spring, oil strainer and O-ring
will fall out. Take care not to lose these parts. _NOTE:_ Skip steps 5–11 if the oil filter element is not being
cleaned. _5. Remove the shift pedal by removing the bolt.
6. Remove the clamp by removing the screw.
7. Remove the oil filter element cover by remov-
ing the bolts, and then remove the oil filter el-
ement.
8. Clean the oil strainer and oil filter element
with solvent.
9. Check the O-ring for damage and replace it if
necessary.
10. Install the oil filter element and O-ring.NOTE:_ Make sure the O-ring is seated properly. _
U1C160.book Page 21 Wednesday, May 12, 2004 4:55 PM

8-23 1. Engine oil filter element 2. O-ring (× 2)
1.Élément du filtre à huile moteur 2. Joint torique (× 2)
1. Element del filtro de aceite de motor 2. Junta tórica (× 2)
11. Install the oil filter element cover by installing
the bolts, and then tighten them to the speci-
fied torque.
12. Install the oil strainer, compression spring,
O-ring and engine oil drain bolt. Tighten the
engine oil drain bolt to the specified torque.CAUTION:_ Before installing the engine oil drain bolt, be
sure to install the O-ring, compression spring
and oil strainer. _
Tightening torque:
Oil filter element cover bolt:
10 Nm (1.0 m·kgf)
Tightening torque:
Engine oil drain bolt:
32 Nm (3.2 m·kgf)
U1C160.book Page 23 Wednesday, May 12, 2004 4:55 PM

8-29 1. Bolt (× 3)
1. Boulon (× 3)
1. Perno (× 3)
1. Oil filler bolt
1. Boulon de l’orifice de remplissage d’huile
1. Perno del orificio de llenado de aceite
EBU00462
Transfer gear oil replacementNOTE:When replacing the transfer gear oil, replace the
engine oil also.1. Remove the transfer gear case guard.
2. Place the machine on a level place.
3. Place a container under the transfer gear
case.
4. Remove the oil filler bolt and drain bolt to
drain the oil.
5. Install the drain bolt and tighten to specifica-
tion.
Tightening torque:
Drain bolt (transfer gear case):
20 Nm (2.0 m·kgf)
U1C160.book Page 29 Wednesday, May 12, 2004 4:55 PM

8-31 1. Drain bolt
1. Boulon de vidange
1. Perno de drenaje
6. Fill the transfer gear case with oil.CAUTION:
Be sure no foreign material enters the transfer
gear case.7. Install the filler bolt and tighten to specifica-
tion.
8. Check for oil leakage. If oil leakage is found,
check for the cause.
9. Reinstall the transfer gear case guard.Recommended oil: See page 10-2
Quantity:
Transfer gear oil and engine oil with
filter replacement:
2.8 L
Tightening torque:
Filler bolt (transfer gear case):
23 Nm (2.3 m·kgf)
U1C160.book Page 31 Wednesday, May 12, 2004 4:55 PM

8-35 1. Bolt (× 3)
1. Boulon (× 3)
1. Perno (× 3)
1. Drain bolt
1. Boulon de vidange
1. Perno de drenaje
Replacing the final gear oil
1. Remove the final gear case cover by remov-
ing the bolts.
2. Place the ATV 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.
6. Add the recommended final gear oil to the
brim of the filler hole. Tightening torque:
Final gear oil drain bolt:
23 Nm (2.3 m·kgf)
Recommended oil:
SAE 80 API GL-4 Hypoid gear oil
Oil quantity:
0.19 L
U1C160.book Page 35 Wednesday, May 12, 2004 4:55 PM

8-39 1. Oil filler bolt
1. Boulon de l’orifice de remplissage d’huile
1. Perno del orificio de llenado de aceite
a. Front drain bolt
b. Rear drain bolt
a. Boulon de vidange avant
b Boulon de vidange arrière
a. Perno de drenaje delantero
b. Perno de drenaje trasero
EBU00826
Differential gear oil replacement
1. Place the machine on a level place.
2. Place a container under the differential gear
case to collect the used oil.
3. Remove the filler bolt and drain bolts to drain
the oil.
4. Install the drain bolts and tighten to specifica-
tion.
5. Fill the differential gear case with oil.Tightening torque:
Drain bolt (differential gear case):
a 23 Nm (2.3 m·kgf)
b 16 Nm (1.6 m·kgf)
Recommended oil:
See page 10-3.
Oil quantity:
Periodic oil change:
0.67 L
Total amount:
0.70 L
U1C160.book Page 39 Wednesday, May 12, 2004 4:55 PM