2012 YAMAHA YFZ450R Owners Manual

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8
EBU24995Lubricating the swingarm pivots The swingarm pivots must be lubricated by a
Yamaha dealer at the intervals specified in the pe- riodic maintenance and lubrication chart.
EBU25033Lubricating the upper and lower arm
pivots The upper and lower arm pivots must be lubricated
at the intervals specified in the periodic mainte-
nance and lubrication chart.TIPFor parts equipped with a grease nipple, use a
grease gun.
Recommended lubricant: Lithium-soap-based grease
Recommended lubricant:Lithium-soap-based grease
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8Left side Right side
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.
1. Upper grease nipple
2. Lower grease nipple
21
2
1. Upper grease nipple
2. Lower grease nippleRecommended lubricant:
Lithium-soap-based grease
1
2
2
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8
EBU29189Battery The battery is located under the seat. (See page
4-10.)
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.
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 4-10.)
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]
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84. 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.
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.
1. Bolt
2. Battery holding plate
3. Negative battery lead (black)
4. Positive battery lead (red)
1
1
2
3
4
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8
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 4-10.)
EBU29961Replacing the fuse The fuse holder is located under the seat. (See
page 4-10.)
If the fuse is blown, replace it as follows. 1. Turn the key to “” (off) and turn off all elec-
trical circuits.NOTICEECB00640To prevent accidental short-circuiting, turn off
the main switch when checking or replacing a
fuse.
1. Positive battery lead (red)
2. Negative battery lead (black)
2
1
1. Fuse
2. Spare fuse
1
2
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82. Remove the blown fuse, and then install a
new fuse of the specified amperage.
WARNING! Always use a fuse of the spec-
ified rating, and never use a substitute ob-
ject in place of the proper fuse. An
improper fuse or a substitute object can
cause damage to the electrical system,
which could lead to a fire.
[EWB02172]
3. Turn the key to “” (on) and turn on the elec-
trical circuits to check if the devices operate.
4. If the fuse immediately blows again, have a Yamaha dealer check the electrical system.EBU30161Replacing a headlight bulb If a headlight bulb burns out, replace it as follows.1. Remove the headlight unit by removing the bolt, and then pulling the headlight unit out-
ward as shown. 2. Remove the headlight bulb holder cover.
Specified fuse:
20.0 A
1. Headlight unit
2. Bolt
1. Headlight bulb holder cover
1
2
1
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3. Remove the headlight bulb holder by pushing
it in and turning it counterclockwise, and then
remove the burnt-out bulb.
4. Place a new headlight bulb into position. NOTICE: Do not touch the glass part of the
headlight bulb to keep it free from oil, oth-
erwise the transparency of the glass, the
luminosity of the bulb, and the bulb life will
be adversely affected. Thoroughly clean
off any dirt and fingerprints on the head-
light bulb using a cloth moistened with al-
cohol or thinner.
[ECB00651]
5. Install the headlight bulb holder by pushing it in and turning it clockwise.
6. Install the headlight bulb holder cover.
7. Place the headlight unit in the original posi- tion, and then install the bolt.
1. Headlight bulb holder
1
1. Do not touch the glass part of the bulb.
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88. Adjust the headlight beam if necessary.
EBU25561Adjusting a headlight beam NOTICEECB00690It is advisable to have a Yamaha dealer make
this adjustment.To raise a headlight beam, turn the headlight beam
adjusting bolt in direction (a).
To lower a headlight beam, turn the adjusting bolt
in direction (b).
EBU26920Tail/brake light This model is equipped with an LED type of
tail/brake light.
If the tail/brake light does not come on, have a
Yamaha dealer check it.EBU25651Removing a wheel 1. Place the ATV on a level surface.
2. Loosen the wheel nuts.1. Headlight beam adjusting bolt
1
(a)
(b)
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