2009 YAMAHA GRIZZLY 450 warning

8-35
83. 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 bolts and tighten them to the speci-
fied torque.
WARNING
EWB02340Do 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 totouching exhaust components.EBU23920V-belt cooling duct check hose If dust or water collects in the V-belt cooling duct
check hose, remove the hose and clean it.
1. Tailpipe
2. Spark arresterTightening torque:
Tailpipe bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
1. V-belt cooling duct check hose (left front side of ATV)
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8
WARNING
EWB02471Operating with improperly serviced or adjust-
ed brakes could cause loss of braking ability,
which could lead to an accident.
After servicing:
Make sure the brakes operate smoothly and
that there is no free play.
Make sure the brakes do not drag.
Make sure the brakes are not spongy. All air
must be bled from the brake system.
Replacement of brake components requires
professional knowledge. These proceduresshould be performed by a Yamaha dealer.EBU28635Adjusting the brake pedal and rear
brake lever free play and checking the
brake pedal position The brake pedal and brake lever free play and the
brake pedal position must be checked and, if nec-
essary, adjusted at the intervals specified in the
periodic maintenance and lubrication chart.
TIP
Always perform this maintenance completely in
the following order whenever adjusting the rear
brake.
When adjusting the rear brake, be sure to adjust
both the brake pedal and the brake lever.
Before adjusting the brake lever and brake pedal
free play, check the rear brake friction plates forwear.
Adjusting the brake pedal and brake lever free
play
The brake pedal free play should measure 17.0–
20.0 mm (0.67–0.79 in). The brake lever free play
should measure 8.0–10.5 mm (0.31–0.41 in). If ei-
ther free play is incorrect, adjust it as follows.
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8
WARNING
EWB02080Operating with improperly serviced or adjust-
ed brakes could cause loss of braking ability,
which could lead to an accident.
After servicing:
Make sure the brakes operate smoothly and
that the free play is correct.
Make sure the brakes do not drag.
Replacement of brake components requires
professional knowledge. These proceduresshould be performed by a Yamaha dealer.
EBU24230Axle boots The axle boots must be checked for damage at the
intervals specified in the periodic maintenance and
lubrication chart. Check the axle boots for tears or
damage. If any damage is found, have them re-
placed by a Yamaha dealer.
1. Distance between brake pedal and footboard
1. Front axle boot (each side)
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8
EBU24900Checking and lubricating the cables The operation and the condition of all control ca-
bles should be checked before each ride, and the
cables and cable ends should be lubricated if nec-
essary. If a cable is damaged or does not move
smoothly, have a Yamaha dealer check or replace
it.
WARNING
EWB02130Inspect cables frequently and replace if dam-
aged. Corrosion can result when the cable
sheaths become damaged, and cables can
also become frayed or kinked, which could re-
strict the operation of controls and lead to anaccident or injury.EBU28711Checking and lubricating the front and
rear brake levers The operation of the front and rear brake levers
should be checked before each ride, and the lever
pivots should be lubricated if necessary.
EBU28832Checking and lubricating the brake
pedal The operation of the brake pedal should be
checked before each ride, and the pedal pivot
should be lubricated if necessary. Recommended lubricant:
Engine oilRecommended lubricants:
Front brake lever:
Silicone grease
Rear brake lever:
Lithium-soap-based grease
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8
WARNING
EWB02160Battery electrolyte is poisonous and danger-
ous, as it contains sulfuric acid, which can
cause severe burns. Avoid contact with skin,
eyes or clothing. Always shield your eyes
when working near batteries.
Antidote:
EXTERNAL: Flush with water.
INTERNAL: Drink large quantities of water or
milk. Follow with milk of magnesia, beaten egg
or vegetable oil. Call a physician immediately.
EYES: Flush with water for 15 minutes and get
prompt medical attention.
Batteries produce explosive gases. Keep
sparks, flame, cigarettes or other sources of ig-
nition away. Ventilate when charging or using
in an enclosed space.KEEP OUT OF REACH OF CHILDREN.
To remove the battery
1. Remove the seat. (See page 4-18.)
2. Remove the battery holding plate by removing
the bolts.3. Disconnect the negative battery lead first,
then the positive battery lead by removing
their bolt.
4. Pull the battery out of its compartment.
To charge the battery
Have a Yamaha dealer charge the battery as soon
as possible if it seems to have discharged. Keep in
mind that the battery tends to discharge more
quickly if the ATV is equipped with optional electri-
cal accessories.
1. Bolt
2. Battery holding plate
3. Positive battery lead (red)
4. Negative battery lead (black)
3
4
12
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8-54
8 2. Remove the blown fuse, and then install a
new fuse of the specified amperage.
WARNING
EWB02171Always use a fuse of the specified rating, and
never use a substitute object in place of the
proper fuse. An improper fuse or a substitute
object can cause damage to the electrical sys-tem, which could lead to a fire.3. Turn the key to “ON” and turn on the electrical
circuits to check if the devices operate.
4. If the fuse immediately blows again, have a
Yamaha dealer check the electrical system.
EBU25480Replacing a headlight bulb If a headlight bulb burns out, replace it as follows.
1. Remove the cover at the rear of the headlight
by pulling it off.
2. Remove the headlight bulb holder cover by
pulling it off. Specified fuses:
Main fuse:
30.0 A
Headlight fuse:
15.0 A
Ignition fuse:
10.0 A
Four-wheel-drive motor fuse:
10.0 A
Signaling system fuse:
10.0 A
Auxiliary DC jack fuse:
10.0 A
Backup fuse:
10.0 A1. Cover at the rear of the headlight
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8-55
83. Remove the headlight bulb holder by pushing
it in and turning it counterclockwise.4. Remove the defective bulb by pulling it out.
WARNING
EWB02220A headlight bulb is hot when it is on and imme-
diately after it is turned off. Wait for the bulb to
cool before touching or removing it. You can
be burned or a fire could start if the bulb touch-es something flammable.
5. Insert a new headlight bulb into the bulb hold-
er by pushing it in.
1. Headlight bulb holder cover
1. Headlight bulb holder
1. Do not touch the glass part of the bulb.
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8
EBU25740Troubleshooting Although Yamaha ATVs receive a thorough in-
spection before shipment from the factory, trouble
may occur during operation. Any problem in the fu-
el, compression, or ignition systems, for example,
can cause poor starting and loss of power.
The following troubleshooting charts represent
quick and easy procedures for checking these vital
systems yourself. However, should your ATV re-
quire any repair, take it to a Yamaha dealer, whose
skilled technicians have the necessary tools, expe-
rience, and know-how to service the ATV properly.
Use only genuine Yamaha replacement parts. Im-
itation parts may look like Yamaha parts, but they
are often inferior, have a shorter service life and
can lead to expensive repair bills.
WARNING
EWB02280Do not smoke when checking the fuel system.
Fuel can ignite or explode, causing severe inju-
ry or property damage. Make sure there are no
open flames or sparks in the area, including pi-lot lights from water heaters or furnaces.U37S60E0.book Page 60 Thursday, June 5, 2008 6:51 PM