torque YAMAHA WOLVERINE 2018 User Guide

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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 re- place it if necessary.
5. Install the oil filler bolt and its gasket, and
then tighten the bolt to the specified
torque. Changing the final gear oil
1. Park the vehicle 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, the fi-
nal gear oil drain bolt and their gasket to
drain the oil.1. Final gear oil
2. Gasket
3. Final gear oil filler bolt
4. Correct oil level
24
3
1
Tightening torque:Final gear oil filler bolt:23 N·m (2.3 kgf·m, 17 lb·ft)1. Final gear oil drain bolt
2. Gasket
21
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4. Install the drain bolt and its new gasket,and then tighten the bolt to the specified
torque.
5. Refill with the recommended final gear oil up to the brim of the filler hole.TIPGL-4 is a quality and additive rating; GL-5
rated hypoid gear oils may also be used.
 If desired, an SAE 80W-90 hypoid gear oil
may be used instead. 6. Check the oil filler bolt gasket for dam-
age, 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 for oil leakage. If oil leakage is
found, check for the cause.
EBU36061Differential gear oilCheck the oil level and change the differential
gear oil at the intervals specified in the gener-
al maintenance and lubrication chart.NOTICEECB03600When checking or changing the differen-
tial gear oil, make sure that no foreign ma-
terial enters the differential gear case. If
necessary, clean the differential gear oil
filler bolt and surrounding area.
Tightening torque:Final gear oil drain bolt:22 N·m (2.2 kgf·m, 16 lb·ft)
Tightening torque: Final gear oil filler bolt:23 N·m (2.3 kgf·m, 17 lb·ft)
Recommended oil: SAE 80 API GL-4 Hypoid gear oil
Oil quantity: 0.18 L (0.19 US qt, 0.16 Imp.qt)
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Checking the differential gear oil level1. Park the vehicle on a level surface.
2. Remove the differential gear oil filler bolt
and its gasket, and then check the oil lev-
el. It should be up to the brim of the filler
hole.
3. If the level is low, add sufficient oil of the recommended type to raise it to the
specified level. 4. Check the gasket for damage, and re-
place it if necessary.
5. Install the differential gear oil filler bolt and its gasket, and then tighten the bolt
to the specified torque.
Changing the differential gear oil 1. Park the vehicle 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.1. Differential gear oil filler bolt
2. Gasket
3. Differential gear oil
4. Correct oil level
1
2
3
4
Tightening torque:Differential gear oil filler bolt:23 N·m (2.3 kgf·m, 17 lb·ft)
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4. Install the differential gear oil drain boltand its new gasket, and then tighten the
bolt to the specified torque.
5. Refill the differential gear case with the recommended oil.
TIPGL-4 is a quality and additive rating; GL-5
rated hypoid gear oils may also be used.
 If desired, an SAE 80W-90 hypoid gear oil
may be used instead. 6. Check the oil filler bolt gasket for dam-
age, and replace it if necessary.
7. Install the differential gear oil filler bolt and its gasket, and then tighten the bolt
to the specified torque.
8. Check for oil leakage. If oil leakage is found, check for the cause.
1. Differential gear oil drain bolt
2. GasketTightening torque:Differential gear oil drain bolt:9.8 N·m (0.98 kgf·m, 7.2 lb·ft)
12
Tightening torque: Differential gear oil filler bolt:23 N·m (2.3 kgf·m, 17 lb·ft)
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6. Remove the coolant reservoir cap.7. Place a container under the coolant res-
ervoir.
8. Disconnect the coolant reservoir hose and drain the reservoir.
9. After draining both the radiator and the
reservoir, thoroughly flush the cooling
system with clean tap water.
10. Install the coolant drain bolt with a new
gasket, and then tighten to the specified
torque.1. Coolant drain bolt
2. Gasket
1 2
1. Coolant reservoir cap
2. Coolant reservoir hose
12
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11. Connect the coolant reservoir hose.
12. Pour the specified amount of fresh cool-ant into the radiator, then install the radi-
ator cap.
13. Pour the specified amount of fresh cool- ant into the reservoir, then install the res-
ervoir cap.
14. Remove the right panel and right rear panel. (See page 8-11.)
15. Loosen the water pump air bleed bolt to
allow air to escape from the system. 16. When coolant begins to flow out, tighten
the bleed bolt.
17. Loosen the cylinder head air bleed bolt to allow air to escape from the system.Tightening torque:Coolant drain bolt:8 N·m (0.8 kgf·m, 5.9 lb·ft)
1. Water pump air bleed boltTightening torque: Water pump air bleed bolt:8 N·m (0.8 kgf·m, 5.9 lb·ft)
1
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18. When coolant begins to flow out, tightenthe bleed bolt.
19. Start the engine and let it idle for ten mi- nutes.TIPWhile the engine is idling, check the cooling
system for leaks.
20. Rev the engine five times, then stop theengine and allow it to cool.TIPWhile waiting for the engine to cool, clean up
the used coolant and prepare it for disposal
according to local regulations. 21. When the engine is cool, remove the radi-
ator cap and check the coolant level in
the radiator. WARNING! Never attempt
to remove the radiator cap when the
engine is hot.
[EWB04250]
If necessary, add
coolant until the radiator is full. Install the
radiator cap.
22. Check the coolant level in the reservoir and replenish if necessary.
23. Install the panels and the hood.
EBU32400Axle bootsCheck the axle boots for holes or tears.
If any damage is found, have them replaced
by a Yamaha dealer.
1. Cylinder head air bleed boltTightening torque: Cylinder head air bleed bolt:10 N·m (1.0 kgf·m, 7.4 lb·ft)
1
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Installation1. Clean the surface of the spark plug gas-
ket and its mating surface, and then wipe
off any grime from the spark plug
threads.
2. Install the spark plug and tighten it to the specified torque. If a torque wrench is not
available when you are installing the
spark plug, a good estimate of the cor-
rect torque is one-quarter to one-half turn
past finger tight. Have the spark plug
tightened to the specified torque as soon
as possible.
3. Install the spark plug cap.
EBU33581Cleaning the air filter elementThe air filter element should be cleaned every
20–40 hours. It should be cleaned and lubri-
cated more often if the vehicle is operated in
extremely dusty areas. Each time air filter ele-
ment maintenance is performed, check the air
inlet to the air filter case for obstructions.
Check the air filter elem ent rubber joint to the
throttle body and manifold fittings for an air-
tight seal. Tighten all fittings securely to avoid
the possibility of unfiltered air entering the en-
gine.NOTICEECB02270Never operate the engine with the air filter
element removed. Doing so would allow
unfiltered air to enter, causing rapid en-
gine wear and possible engine damage.
Additionally, the fuel injection system
would be affected, re sulting in poor engine
performance and possible overheating.
Spark plug gap: 0.8–0.9 mm (0.031–0.035 in)
Tightening torque: Spark plug:11 N·m (1.1 kgf·m, 8.1 lb·ft)
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2. Remove the tailpipe by pulling it out ofthe muffler, and then remove the gasket.
3. Tap the tailpipe lightly, and then use a
wire brush to remove any carbon depos-
its from the spark arrester portion of the
tailpipe and inside of the tailpipe housing. 4. Install the gasket, and then insert the tail-
pipe into the muffler and align the bolt
holes.
5. Install the bolts and tighten them to the
specified torque.1. Tailpipe bolt
1
1
1. Gasket
2. Spark arrester
3. TailpipeTightening torque:Tailpipe bolt:10 N·m (1.0 kgf·m, 7.4 lb·ft)
3
2
1
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EBU33090Wheel installation1. Install the wheel and the nuts.
2. Lower the vehicle so that the wheel is onthe ground.
3. Tighten the wheel nuts in a crisscross pattern to the specified torque.
WARNING
EWB03400Do not reverse the rims on your Yamaha
Wolverine to widen the track width. Install-
ing wheels improperly increases the risk of
wheel failure and accidents.
EBU32643BatteryThis model is equipped with a 12–volt VRLA
(valve–regulated lead–acid) battery. There is
no need to check the electrolyte or to add dis-
tilled water. However, the battery lead con-
nections need to be checked and tightened,
and the battery terminals cleaned if corroded.
If the battery seems to have discharged, re-
charge it as soon as possible.
WARNING
EWB03410Avoid battery contact with skin, eyes, or
clothing. Shield eyes when working near
batteries. Keep out of reach of children.
You could be poisoned or severely burned
by the sulfuric acid in battery electrolyte. In
case of accidental contact with battery
electrolyte:
EXTERNAL: Flush with water.
Tightening torques:Front wheel nut:75 N·m (7.5 kgf·m, 55 lb·ft)
Rear wheel nut: 75 N·m (7.5 kgf·m, 55 lb·ft)
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