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8-26
82. Remove the tailpipe by pulling it out of the
muffler.
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. Insert the tailpipe into the muffler and align the
bolt holes.
5. Install the bolt and tighten it to the specified torque.
6. Remove the purging bolt and the gasket.
1. Tailpipe
2. Tailpipe bolt
2
1
1. Tailpipe
2. Spark arresterTightening torque: Tailpipe bolt:8 Nm (0.8 m·kgf, 5.8 ft·lbf)
1
2
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8-27
8
7. Start the engine and rev it up approximately
twenty times while momentarily creating ex-
haust system back pressure by blocking the
end of the muffler with a shop towel.
8. Stop the engine and allow the exhaust pipe to cool.
9. Check the gasket for damage, and replace it if necessary.
10. Install the gasket and the purging bolt, and then tighten the bolt to the specified torque.
WARNING
EWB02380Never run the engine in an enclosed area when
purging the spark arrester, otherwise it could
cause injury to the eyes, burns, carbon monox-
ide poisoning, possibly leading to death, and
start a fire.●Always let the exhaust system cool prior to
touching exhaust components.●Always wear eye protection, and make sure
no one is behind the ATV.●Make sure there are no combustible materi-
als in the area.EBU26811Adjusting the engine idling speed The engine idling speed must be checked and, if
necessary, adjusted as follows at the intervals
specified in the periodic maintenance and lubrica-
tion chart.
1. Purging bolt
2. Gasket
1
2
Tightening torque:Purging bolt:27 Nm (2.7 m·kgf, 20 ft·lbf)
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8-36
8
TIPIf the cable length cannot be adjusted to specifica-
tion, consult a Yamaha dealer.6. Tighten the locknut on the brake cable.
7. Slide the rubber cover to its original position.
8. Turn in the adjusting bolt at the rear brake cal-iper until it feels tight, then turn it out 1/8 turn
and tighten its locknut to the specified torque.
NOTICE: When tightening the locknut, hold the adjusting bolt with a wrench so
that it does not turn together with the lock-
nut.
[ECB00521]
WARNING
EWB02090Operating with improperly serviced or adjust-
ed brakes could cause the brakes to malfunc-
tion, resulting in reduced braking
performance. This could increase the chance
of a collision or accident. After adjusting the
parking brake free play, block the rear of the
ATV off the ground and spin the rear wheels.
Check to make sure there is no brake drag. If
brake drag is noticed, perform the adjustment
again.EBU24743Brake light switches The brake light, which is activated by the brake
pedal and brake lever, should come on just before
braking takes effect.
1. Rubber cover
2. Parking brake free play adjusting nut
3. Locknut
1
(b)
(a) 2
3
Tightening torque:
Locknut (rear brake caliper):16 Nm (1.6 m·kgf, 12 ft·lbf)
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8-40
8vent this from occurring, keep the drive
chain slack within the specified limits.
[ECB00542]
6. Pull the rod out, and then tighten the rear axle
pinch bolts to the specified torque in the order
shown.
EBU24882Lubricating the drive chain The drive chain must be cleaned and lubricated at
the intervals specified in the periodic maintenance
and lubrication chart, otherwise it will quickly wear
out, especially when riding in dusty or wet areas.
Service the drive chain as follows.NOTICEECB00561The drive chain must be lubricated after wash-
ing the ATV or riding in the rain or wet areas.1. Clean the drive chain with kerosene and asmall soft brush. NOTICE: To prevent dam-
aging the O-rings, do not clean the drive
chain with steam cleaners, high-pressure
washers or inappropriate solvents.
[ECB00571]
Tightening torque: Rear axle pinch bolt:21 Nm (2.1 m·kgf, 15 ft·lbf)
31 24
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8-53
8
2. Loosen the wheel nuts.
3. Elevate the ATV and place a suitable stand
under the frame.
4. Remove the nuts from the wheel.
5. Remove the wheel.
EBU27481Installing a wheel 1. Place the ATV on a level surface.
2. Install the wheel and the nuts.
TIPWhen installing the wheel, make sure its arrow
mark points toward the rotating direction of the
wheel.3. Lower the ATV to the ground.
4. Tighten the wheel nuts to the specified torques.
1. Wheel nut
1. Arrow markTightening torques:Front wheel nut:45 Nm (4.5 m·kgf, 33 ft·lbf)
Rear wheel nut: 45 Nm (4.5 m·kgf, 33 ft·lbf)
U1PE61E0.book Page 53 Thursday, April 4, 2013 6:18 PM