2012 YAMAHA GRIZZLY 450 battery

Adjusting the rear brake lever and brake pedal free play, and the brake
pedal height ............................................ 8-41
Axle boots ................................................ 8-46
Brake light switches ................................. 8-47
Checking and lubricating the cables ........ 8-47
Checking and lubricating the front and rear brake levers .................................... 8-48
Checking and lubricating the brake pedal ...................................................... 8-48
Checking the wheel hub bearings ............ 8-49
Lubricating the drive shaft universal joint ......................................................... 8-49
Checking the stabilizer bushes ................ 8-50
Lubricating the rear knuckle pivots ........... 8-50
Lubricating the steering shaft ................... 8-51
Battery ...................................................... 8-51
Replacing a fuse ...................................... 8-54
Replacing a headlight bulb ....................... 8-55
Adjusting a headlight beam ...................... 8-57
Replacing the tail/brake light bulb ............ 8-57
Removing a wheel .................................... 8-59
Installing a wheel ...................................... 8-59
Troubleshooting ....................................... 8-61
Troubleshooting charts ............................. 8-62 CLEANING AND STORAGE ..........................9-1
Cleaning ......................................................9-1
Storage .......................................................9-2
SPECIFICATIONS .......................................10-1
CONSUMER INFORMATION.......................11-1 Identification numbers ...............................11-1
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3-1
3
EBU17680
DESCRIPTION
EBU17690Left view
EBU17700Right view
1. Radiator cap
2. Fuel cock
3. Throttle stop screw
4. Air filter case
5. Battery
6. Fuses
7. Tail/brake light
8. Engine oil filler cap
9. Oil filter cartridge
10.Coolant reservoir
11.V-belt cooling duct check hose
1 2 3 4 5,6 7891011
1. Rear shock absorber assembly spring preload adjusting ring
2. Spark arrester
3. Rear storage compartment and tool kit
4. Spark plug
5. Front shock absorber assembly spring preload adjusting ring
6. Rear brake light switch
7. Brake pedal
8. V-belt case drain plug1
2
3
4
5
6
7
8
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4-7
4
EBU18080Engine stop switch“/”
Set this switch to “” before starting the engine.
The engine stop switch controls the ignition and
stops the engine when it is running. Use this switch
to stop the engine in an emergency situation. The
engine will not start or run when this switch is set
to “” .EBU18101Start switch “”
Push this switch to crank the engine with the start-
er. See the starting instructions on page 6-1 prior
to starting the engine.EBU18154Light switch “//OFF ”
Set this switch to “” to turn on the low beams
and the taillight. Set the switch to “” to turn on
the high beams and the taillight. Set the switch to
“ OFF ” to turn off all the lights.NOTICEECB00043Do not use the headlights with the engine
turned off for an extended period of time, oth-
erwise the battery may discharge to the point that the starter motor will not operate properly.
If this should happen, remove the battery and
recharge it. (See page 8-51.)
EBU18170Horn switch
“”
Press the switch to sound the horn.EBU18190Override switch “OVERRIDE ”
Top speed is normally limited when operating in
differential gear lock. If conditions require more en-
gine power when riding forward, push and hold this1. Override switch “OVERRIDE”
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4
5. Turn the accessory on.
6. When the auxiliary DC jack is not being used,
cover it with the cap.
NOTICEECB00120
Do not use accessories requiring more than
the above maximum capacity. This may
overload the circuit and cause the fuse to
blow.
If accessories are used without the engine
running or with the headlights turned on, the
battery will lose its charge and engine start-
ing may become difficult.
Do not use an automotive cigarette lighter or
other accessories with a plug that gets hot
because the jack can be damaged.Maximum rated capacity for the auxiliary DC
jack:DC 12 V, 10 A (120 W)
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6-2
6Position (3):
Cold engine start with ambient temperature
above 25
°C (80 °F).
Ambient temp./starter (choke) position
5. Apply the rear brake lever.
6. Completely close the throttle lever and start the engine by pushing the start switch.
TIPIf the engine fails to start, release the start switch,
then push it again. Pause a few seconds before
the next attempt. Each cranking should be as short as possible to preserve battery energy. Do not
crank the engine more than 10 seconds on each
attempt.
7. If the engine is started with the starter (choke)
in position (1), the starter (choke) should be
returned to position (2) to warm up the engine.
If the engine is started with the starter (choke)
in position (2), keep the starter (choke) in this
position to warm up the engine.
8. Continue warming up the engine until it idles smoothly, then return the starter (choke) to
position (3) before riding.TIPThe engine is warm when it responds quickly to the
throttle with the starter (choke) turned off.NOTICEECB00163For maximum engine life, never accelerate
hard when the engine is cold!
1. Fully open
2. Half open
3. Closed
4. Starter (choke)U1CT61E0.book Page 2 Wednesday, April 20, 2011 6:36 PM

8-51
8
TIPFor parts equipped with a grease nipple, use a
grease gun.EBU25092Lubricating the steering shaft The steering shaft must be lubricated by a Yamaha
dealer at the intervals specified in the periodic
maintenance and lubrication chart.
TIPFor parts equipped with a grease nipple, use a
grease gun.EBU29188Battery The battery is located under the seat. (See page
4-18.)
This model is equipped with a VRLA (Valve Regu-
lated Lead Acid) battery. There is no need to check
the electrolyte or to add distilled water. However,
the battery lead connections need to be checked
and, if necessary, tightened.
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.
Recommended lubricant:
Lithium-soap-based grease
1. Grease nipple
Recommended lubricant:Lithium-soap-based grease
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8
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.
NOTICEECB00620Never attempt to remove the battery cell seals,
as this would permanently damage the battery.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. NOTICE: When removing the bat-
tery, the main switch must be off, and the
negative lead must be disconnected be-
fore the positive lead.
[ECB01001]
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
1 2
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8
NOTICEECB00931To charge a VRLA (Valve Regulated Lead Acid)
battery, a special (constant-voltage) battery
charger is required. Using a conventional bat-
tery charger will damage the battery.To store the battery
If the ATV will not be used for more than one
month, remove the battery, fully charge it, and
then place it in a cool, dry place.
If the battery will be stored for more than two
months, check it at least once a month and fully
charge it if necessary.NOTICEECB00940Always keep the battery charged. Storing a dis-
charged battery can cause permanent battery
damage.To install the batteryTIPBe sure the battery is fully charged.1. Place the battery in its compartment.2. Connect the positive battery lead first, then
connect the negative battery lead by installing
their bolt.NOTICE: When installing the bat-
tery, the main switch must be off, and the
positive lead must be connected before
the negative lead.
[ECB01110]
3. Install the battery holding plate by installing the bolts.
4. Install the seat. (See page 4-18.)1. Positive battery lead (red)
2. Negative battery lead (black)
1
2
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