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86. Check the oil level check bolt gasket and the
oil filler bolt gasket for damage, and replace
them if necessary.
7. Install the oil level check bolt, the oil filler bolt and their gasket, and then tighten the bolts to
the specified torques.
8. Check the final gear case for oil leakage. If oil is leaking, check for the cause.
EBU23427Differential gear oilThe differential gear case must be checked for oil
leakage before each ride. If any leakage is found,
have a Yamaha dealer check and repair the ATV.
In addition, the differential gear oil level must be
checked and the oil changed as follows at the in-
tervals specified in the periodic maintenance and
lubrication chart. To check the differential gear oil level
1. Place the ATV on a level surface.
2. Remove the differential gear oil filler bolt and its gasket, and then check the oil level in the
differential gear case. 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.
4. Check the gasket for damage, and replace it if necessary.
Tightening torques:
Final gear oil level check bolt:10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Final gear oil filler bolt: 23 Nm (2.3 m·kgf, 17 ft·lbf)
1. Differential gear oil filler bolt
2. Gasket
3. Differential gear oil
4. Correct oil level
1
2
3
4
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8
5. Install the oil filler bolt and its gasket, and then
tighten the bolt to the specified torque.
To change the differential gear oil 1. Place the ATV on a level surface.
2. Place an oil pan under the differential gear case to collect the used oil.
3. Remove the differential gear oil filler bolt, the differential gear oil drain bolt and their gasket
to drain the oil from the differential gear case. 4. Install the drain bolt and its new gasket, and
then tighten the bolt to the specified torque.
5. Refill with the recommended differential gear oil to the brim of the filler hole as shown.
NOTICE: Be sure no foreign material en-
ters the differential gear case.
[ECB00412]
Tightening torque: Differential gear oil filler bolt:23 Nm (2.3 m·kgf, 17 ft·lbf)1. Differential gear oil drain bolt
2. Gasket
12
Tightening torque: Differential gear oil drain bolt:9.8 Nm (0.98 m·kgf, 7.1 ft·lbf)1. Differential gear oil filler bolt
2. Gasket
3. Differential gear oil
4. Correct oil level
1
2
3
4
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86. Check the oil filler bolt gasket for damage,
and replace it if necessary.
7. Install the oil filler bolt and its gasket, and then tighten the bolt to the specified torque.
8. Check the differential gear case for oil leak- age. If oil is leaking, check for the cause.
EBU23471CoolantThe coolant level should be checked before each
ride. In addition, the coolant must be changed at
the intervals specified in the periodic maintenance
and lubrication chart.EBU34201To check the coolant level1. Park the ATV on a level surface.
TIPThe coolant level must be checked on a cold en-
gine since the level varies with engine tempera-
ture. 2. Check the coolant level in the coolant reser- voir.TIPThe coolant should be between the minimum and
maximum level marks.
Recommended differential gear oil:See page 10-1.
Tightening torque: Differential gear oil filler bolt:23 Nm (2.3 m·kgf, 17 ft·lbf)
1. Maximum level mark
2. Minimum level mark
12
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88. After draining the coolant, thoroughly flush
the cooling system with clean tap water.
9. Install the coolant drain bolt and its new gas- ket, and then tighten the bolt to the specified
torque.
10. Connect the coolant reservoir hose.
11. Pour the recommended coolant into the radi- ator until it is full. 12. Pour the recommended coolant into the res-
ervoir to the maximum level mark, and then
install the reservoir cap. NOTICE: Mix anti-
freeze with distilled water only. However, if
distilled water is not available, soft water
may be used for refilling. Do not use hard
water or salt water since they are harmful
to the engine.
[ECB00992]
13. Loosen the water pump air bleed bolt, with- out removing it, to allow all of the air to es-
cape from the air bleed bolt hole.
1. Coolant reservoir hoseTightening torque:Coolant drain bolt:8 Nm (0.8 m·kgf, 5.8 ft·lbf)
Antifreeze/water mixture ratio:1:1
Recommended antifreeze: High-quality ethylene glycol antifreeze con-
taining corrosion inhibitors for aluminum
engines
Coolant quantity: Radiator (including all routes):1.76 L (1.86 US qt, 1.55 Imp.qt)
Coolant reservoir (up to the maximum level
mark): 0.25 L (0.26 US qt, 0.22 Imp.qt)
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8
14. When coolant begins to flow out of the bolt
hole, tighten the water pump air bleed bolt to
the specified torque.
15. Remove panel E. (See page 8-10.)
16. Loosen the cylinder head air bleed bolt, with- out removing it, to allow all of the air to es-
cape from the air bleed bolt hole. 17. When coolant begins to flow out of the bolt
hole, tighten the cylinder head air bleed bolt
to the specified torque.
18. Start the engine and let it idle for ten minutes.
19. Rev the engine five times.
20. Pour additional coolant into the radiator until it is full.
1. Water pump air bleed boltTightening torque:Water pump air bleed bolt:8 Nm (0.8 m·kgf, 5.8 ft·lbf)
1
1. Cylinder head air bleed boltTightening torque: Cylinder head air bleed bolt:10 Nm (1.0 m·kgf, 7.2 ft·lbf)
1
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821. Stop the engine and allow it to cool. If the
coolant level has dropped after the engine
has cooled, add sufficient coolant until it
reaches the top of the radiator, and then in-
stall the radiator cap.
22. Start the engine, and then check for coolant leakage.
TIPIf any leakage is found, have a Yamaha dealer
check the cooling system. 23. Install the footboard by installing the boltsand nuts, and then tighten them to the speci-
fied torques.
TIPTighten footboard bolts B in the order shown. 1. Footboard nut
2. Footboard bolt A
3. Footboard bolt B
3
1
2
1
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8
24. Install the panels.
EBU34230Cleaning the air filter elementThe air filter element should be cleaned at the in-
tervals specified in the periodic maintenance and
lubrication chart. Clean or, if necessary, replace
the air filter element more frequently if you are rid-
ing in unusually wet or dusty areas.TIPThere is a check hose at the bottom of the air filter
case. If dust or water collects in this hose, empty
the hose and clean the air filter element and air fil-
ter case. 1. Place the ATV on a level surface.
Tightening torques:
Footboard nut:4.0 Nm (0.40 m·kgf, 2.9 ft·lbf)
Footboard bolt A: 4.0 Nm (0.40 m·kgf, 2.9 ft·lbf)
Footboard bolt B: 8 Nm (0.8 m·kgf, 5.8 ft·lbf)
4
1
2
3
1. Air filter case check hose
1
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8
4. Check the gasket for damage, and replace it
if necessary.
5. Make sure the gasket is properly positioned, then insert the tailpipe into the muffler and
align the bolt holes.
6. Install the bolts and tighten them to the spec- ified torque.
WARNING
EWB02341Do not start the engine when cleaning the
spark arrester, otherwise it could cause injury
to the eyes, burns, carbon monoxide poison-
ing, possibly leading to death, and start a fire.
Always let the exhaust system cool prior to
touching exhaust components. EBU23932V-belt case drain plugAfter riding in water deep enough to allow it to en-
ter the V-belt case, remove the V-belt case drain
plug to drain the water from the case.TIPIf water drains from the V-belt case after removing
the plug, have a Yamaha dealer check the ATV as
the water may affect other engine parts.
1. Gasket
2. Spark arrester
3. TailpipeTightening torque:Tailpipe bolt:10 Nm (1.0 m·kgf, 7.2 ft·lbf)
3
2
1
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