2003 YAMAHA BIG BEAR PRO 400 recommended oil

5-13
EBU00492*
Engine oil/Transfer gear oil
Make sure the engine oil/transfer gear oil is at the
specified level. Add oil as necessary. (See pages
8-13 ~ 8-25.)
Recommended oil:
Recommended engine oil classification:
API Service SE, SF, SG type or higher
-20˚ -10˚ 0˚
10˚20˚ 30˚40˚50˚C
10W/30
15W/4020W/4020W/50
10W/40
5W/30
EE.book Page 13 Monday, June 18, 2001 10:18 AM

5-14
FBU00492*
Huile de moteur/huile de boîte intermédiaire
S’assurer que l’huile de moteur et l’huile de boîte inter-
médiaire sont au niveau spécifié. Ajouter de l’huile si né-
cessaire. (Voir pages 8-14 à 8-26.)
Huile recommandée:
Classification d’huile de moteur recommandée:
Huiles de type API Service, de classe SE, SF,
SG min.
-20˚ -10˚ 0˚
10˚20˚ 30˚40˚50˚C
10W/30
15W/4020W/4020W/50
10W/40
5W/30
SBU00492*
Aceite del motor/Aceite de la caja transfer
Asegúrese de que el aceite del motor/caja transfer se
encuentra al nivel especificado. Añada aceite según
se requiera. (Ver página 8-14 ~ 8-26.)
Recommended oil:
Recommended engine oil classification:
API Service SE, SF, SG type or higher
-20˚-10˚0˚
10˚20˚30˚40˚50˚C
10W/30
15W/4020W/4020W/50
10W/40
5W/30
EE.book Page 14 Monday, June 18, 2001 10:18 AM

5-17
EBU00495*
Final gear oil/Differential gear oil
Make sure the final gear oil/differential gear oil is at
the specified level. Add oil as necessary. (See
pages 8-27 ~ 8-35.)
If desired, an SAE 80W90 hypoid gear oil may be
used for all conditions.NOTE:GL-4 is a quality and additive rating. GL-5 or GL-6
rated hypoid gear oils may also be used.
EBU00151
Throttle lever
Check to see that the throttle lever operates cor-
rectly. It must open smoothly and spring back to
idle position when released. Repair as necessary
for proper operation.Recommended oil:
See page 10-3.
EE.book Page 17 Monday, June 18, 2001 10:18 AM

8-8 * It is recommended that these items be serviced by a Yamaha dealer.
NOTE:

Recommended brake fluid: DOT 4


Brake fluid replacement:
1. When disassembling the master cylinder or caliper cylinder, replace the brake fluid. Normally check
the brake fluid level and add fluid as required.
2. On the inner parts of the master cylinder and caliper cylinder, replace the oil seals every two years.
3. Replace the brake hoses every four years, or if cracked or damaged.
Drive select lever
safety system*•Check operation.
•Adjust if necessary.Wheels*•Check balance/damage/runout.
•Repair if necessary.Wheel bearing*•Check bearing assemblies for looseness/damage.
•Replace if damaged.Steering system*•Check operation.
•Replace if damaged.
•Check toe-in.
•Adjust if necessary.Axle boots*•Check condition.
•Replace if damaged.Fittings and Fasteners*•Check all chassis fittings and fasteners.
•Correct if necessary.
ITEM ROUTINEINITIAL EVERY
1
month3
months6
months6
months1
year
EE.book Page 8 Monday, June 18, 2001 10:18 AM

8-19
11. Fill the engine with oil and install the oil filler
cap.CAUTION:_ Be sure no foreign material enters the crank-
case. _12. Warm up the engine for several minutes at
idle speed. Check for oil leakage while warm-
ing up.CAUTION:_ If oil leakage is found, stop the engine immedi-
ately and check for the cause. _
Recommended oil: See page 10-2.
Oil quantity:
Periodic oil change:
2.4 L
With oil filter replacement:
2.5 L
Total amount:
3.4 L
EE.book Page 19 Monday, June 18, 2001 10:18 AM

8-25 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)
EE.book Page 25 Monday, June 18, 2001 10:18 AM

8-29 1. Drain bolt
1. Boulon de vidange
1. Perno de drenaje
4. Remove the oil filler bolt and the drain bolt to
drain the oil.
5. Install the drain bolt and tighten it to the spec-
ified torque.
6. Fill the final gear case with oil.CAUTION:_ Be sure no foreign material enters the final
gear case. _
Tightening torque:
Drain bolt (final gear case):
23 Nm (2.3 m·kgf)
Recommended oil:
See page 10-3.
Oil quantity:
Periodic oil change:
0.19 L
Total amount:
0.25 L
EE.book Page 29 Monday, June 18, 2001 10:18 AM

8-33 a. Front drain bolt
b. Rear drain bolt
a. Boulon de vidange avant
b Boulon de vidange arrière
a. Perno de drenaje frontal
b. Perno de drenaje trasero
4. Install the drain bolts and tighten to specifica-
tion.
5. Fill the differential gear case with oil.CAUTION:_ Be sure no foreign material enters the differen-
tial gear case. _
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:
0.47 L
Total amount:
0.5 L
EE.book Page 33 Monday, June 18, 2001 10:18 AM