2006 YAMAHA BRUIN 350 4WD check oil

8-9
NOTE:

Recommended brake fluid: DOT 4


Brake fluid replacement:
When disassembling the master cylinder or caliper, replace the brake fluid. Normally check the
brake fluid level and add fluid as required.
On the inner parts of the master cylinder and caliper, replace the oil seals every two years.
Replace the brake hoses every four years, or if cracked or damaged.
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8-21 1. Engine oil filler cap
1. Bouchon de remplissage d’huile de moteur
1. Tapa de relleno de aceite de motor
1. Maximum level mark 2. Minimum level mark
1. Repère de niveau maximum 2. Repère de niveau minimum
1. Marca de nivel máximo 2. Marca de nivel mínimo
EBU14540
Engine oil and oil filter cartridge
The engine oil level should be checked before
each ride. In addition, the oil must be changed and
the oil filter cartridge replaced at the intervals
specified in the periodic maintenance and lubrica-
tion chart.
To check the engine oil level
1. Place the ATV on a level surface.
2. Start the engine, warm it up for several min-
utes, and then turn it off.
3. Wait a few minutes until the oil settles.
4. Remove the engine oil filler cap and wipe off
the dipstick with a clean rag.
5. Insert the dipstick in the oil filler hole (without
screwing it in), and then remove it again to
check the oil level.NOTE:_ The engine oil should be between the minimum
and maximum level marks. _
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8-31
‘1. Final gear oil
2. Final gear oil filler bolt
3. Correct oil level
1. Huile de transmission finale
2. Boulon de l’orifice remplissage du carter de transmission finale
3. Niveau d’huile correct
1. Aceite de la transmisión final
2. Perno del orificio de llenado de aceite de la transmisión final
3. Nivel de aceite correcto
9. Start the engine and warm it up for several
minutes. While warming up, check for oil
leakage. If oil leakage is found, turn the en-
gine off immediately and check for the cause.
10. Turn the engine off, and then check the oil
level and correct it if necessary.
EBU11453
Final gear oil
Checking the final gear oil
1. Place the ATV on a level surface.
2. Remove the oil filler bolt, and then check the
oil level in the final gear case.NOTE:_ The oil level should be at the brim of the filler hole. _3. If the oil is below the brim of the filler hole,
add sufficient oil of the recommended type to
raise it to the correct level.CAUTION:_ Be sure no foreign material enters the final
gear case. _
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8-37
7. Install the oil filler bolt, and then tighten it to
the specified torque.
8. Check for oil leakage. If oil leakage is found,
check for the cause.
9. Install the final gear case cover bolts, and
then tighten them to the specified torque. Tightening torque:
Final gear oil filler bolt:
23 Nm (2.3 m·kgf)
Tightening torque:
Final gear case cover bolt:
16 Nm (1.6 m·kgf)
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8-41
5. Fill the differential gear case with the speci-
fied amount of the recommended oil.NOTE:_

Do not exceed the specified differential gear
oil quantity when filling. Overfilling will cause
the oil to seep out of the breather hose during
and after riding.


The differential gear oil level cannot be
checked. The differential gear case capacity
is greater than the recommended oil quantity,
therefore the oil level cannot be accurately
checked from the oil filler cap hole.
_
Recommended oil:
SAE 80 API GL-4 Hypoid gear oil
Oil quantity:
0.35 L
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8-43
CAUTION:_ Be sure no foreign material enters the differen-
tial gear case. _6. Install the oil filler bolt, and then tighten it to
the specified torque.
7. Check for oil leakage. If oil leakage is found,
check for the cause. Tightening torque:
Differential gear oil filler bolt:
23 Nm (2.3 m·kgf)
U5UH62.book Page 43 Tuesday, April 5, 2005 6:57 PM

8-75

Refill with the same type of brake fluid. Mixing
fluids may result in a harmful chemical reaction
and lead to poor brake performance.


Be careful that water does not enter the brake
fluid reservoir when refilling. Water will signifi-
cantly lower the boiling point of the fluid and
may result in vapor lock.


Brake fluid may deteriorate painted surfaces or
plastic parts. Always clean up spilled fluid im-
mediately.


Have a Yamaha dealer check the cause if the
brake fluid level goes down.
U5UH62.book Page 75 Tuesday, April 5, 2005 6:57 PM