2010 YAMAHA GRIZZLY 550 torque

8-27
8 4. Install the oil level check bolt and oil filler bolt,
and then tighten them to the specified torques.
To change the final gear oil
1. Place the ATV on a level surface.
2. Place an oil pan under the final gear case to
collect the used oil.3. Remove the final gear oil filler bolt, final gear
oil level check bolt, and the final gear oil drain
bolt to drain the oil from the final gear case.
4. Install the drain bolt, and then tighten it to the
specified torque.
5. Refill with the recommended final gear oil to
the brim of the check hole as shown. NOTICE:
Be sure no foreign material enters the final
gear case.
[ECB00421]
1. Final gear oil filler boltTightening 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. Final gear oil drain boltTightening torque:
Final gear oil drain bolt:
23 Nm (2.3 m·kgf, 17 ft·lbf)
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8-28
8
6. Install the oil level check bolt and oil filler bolt,
and then tighten them to the specified torques.7. Check the final gear case for oil leakage. If oil
is leaking, check for the cause.
EBU23423Differential gear oil The 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.TIPThe differential gear oil level must be checked
when the engine is cold.2. Remove the differential gear oil filler bolt, and
then check the oil level in the differential gear
case. The oil level should be at the brim of the
filler hole.
1. Final gear oil
2. Final gear oil level check bolt
3. Correct oil levelRecommended final gear oil:
See page 10-1.
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)
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8-29
8 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. Install the oil filler bolt, and then tighten it 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 and
the differential gear oil drain bolt to drain the
oil from the differential gear case.
4. Install the drain bolt, and then tighten it to the
specified torque.
1. Differential gear oil
2. Differential gear oil filler bolt
3. Correct oil levelTightening torque:
Differential gear oil filler bolt:
23 Nm (2.3 m·kgf, 17 ft·lbf)
1. Differential gear oil drain boltTightening torque:
Differential gear oil drain bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
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8-30
85. 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.
[ECB00411]
6. Install the oil filler bolt, and then tighten it to the
specified torque.7. Check the differential gear case for oil leak-
age. If oil is leaking, check for the cause.
EBU23470Coolant The 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.EBU27124To check the coolant level
1. Place 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.
1. Differential gear oil
2. Differential gear oil filler bolt
3. Correct oil levelRecommended differential gear oil:
See page 10-1.
Tightening torque:
Differential gear oil filler bolt:
23 Nm (2.3 m·kgf, 17 ft·lbf)
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8-33
8 4. Remove panel B. (See page 8-8.)
5. Remove the radiator cap.6. Remove the coolant reservoir cap.
7. Disconnect the hose on the coolant reservoir
side, and then drain the coolant from the cool-
ant reservoir.
8. After draining the coolant, thoroughly flush the
cooling system with clean tap water.
9. Replace the coolant drain bolt washer if it is
damaged, install the coolant drain bolt, and
then tighten it to the specified torque.
1. Trough
1. Radiator cap
1. Coolant reservoir hoseTightening torque:
Coolant drain bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
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8-34
810. Connect the coolant reservoir hose.
11. Pour the recommended coolant into the radia-
tor until it is full.
12. Pour the recommended coolant into the reser-
voir to the maximum level mark, and then in-
stall the reservoir cap. NOTICE: Mix
antifreeze with distilled water only. Howev-
er, 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.
[ECB00991]
13. Loosen the water pump air bleed bolt, without
removing it, to allow all of the air to escape
from the air bleed bolt hole.
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 8-8.)
16. Loosen the clamp screw, and then remove the
V-belt cooling duct. Antifreeze/water mixture ratio:
1:1
Recommended antifreeze:
High-quality ethylene glycol antifreeze con-
taining corrosion inhibitors for aluminum en-
gines
Coolant quantity:
Radiator capacity (including all routes):
1.99 L (2.10 US qt, 1.75 Imp.qt)
Coolant reservoir capacity (up to the maxi-
mum level mark):
0.24 L (0.25 US qt, 0.21 Imp.qt)1. Water pump air bleed boltTightening torque:
Water pump air bleed bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
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8-35
8 17. Loosen the cylinder head air bleed bolt, with-
out removing it, to allow all of the air to escape
from the air bleed bolt hole.18. When coolant begins to flow out of the bolt
hole, tighten the cylinder head air bleed bolt to
the specified torque.
19. Start the engine and let it idle for ten minutes.
20. Rev the engine five times.
21. Pour the recommended coolant into the radia-
tor until it is full.
1. V-belt cooling duct
2. Clamp screw
1. Cylinder head air bleed boltTightening torque:
Cylinder head air bleed bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
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8-40
8
EBU27810Cleaning the spark arrester Select a well-ventilated area free of combustible
materials and make sure the exhaust and muffler
are cool.
1. Remove the bolts.
2. Remove the tailpipe, by pulling it out of the
muffler, and then remove the gasket.
3. Tap the tailpipe lightly, and then use a wire
brush to remove any carbon deposits from the
spark arrester portion of the tailpipe and inside
of the tailpipe housing.4. Install the gasket, and then insert the tailpipe
into the muffler and align the bolt holes.
5. Install the bolts and tighten them to the speci-
fied torque.
6. Remove the purging bolt.1. Bolt
1. Tailpipe
2. Spark arrester
3. GasketTightening torque:
Tailpipe bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
U28P61E0.book Page 40 Wednesday, March 18, 2009 9:25 AM