2016 YAMAHA GRIZZLY 450 Owners Manual

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KEEP OUT OF REACH OF CHILDREN.
NOTICEECB00621Never attempt to remove the battery cell seals,
as this would permanently damage the battery. To remove the battery
1. Remove the seat. (See page 4-19.)
2. Remove the battery holding plate by remov- ing 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.
[ECB01002]
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 elec-
trical 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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NOTICEECB00932To 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.NOTICEECB00941Always keep the battery charged. Storing a
discharged battery can cause permanent bat-
tery 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.
[ECB01111]
3. Install the battery holding plate by installing the bolts.
4. Install the seat. (See page 4-19.)1. Positive battery lead (red)
2. Negative battery lead (black)
1
2
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EBU30801Replacing a fuseThe main fuse, the EPS fuse, and the fuse box are
located under the seat. (See page 4-19.)
For non-EPS models1. Main fuse
2. Fuse box
3. Spare main fuse
1
2
3
1. Headlight fuse
2. Ignition fuse
3. Auxiliary DC jack fuse
4. Four-wheel-drive motor fuse
5. Signaling system fuse
6. Backup fuse (for clock)
7. Spare fuse
1
2
3
4
5
6
7
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8For EPS models
If a fuse is blown, replace it as follows.1. Turn the key to “OFF” and turn off all electrical circuits.
NOTICEECB00641To prevent accidental short-circuiting, turn off
the main switch when checking or replacing a
fuse.
1. Main fuse
2. Fuse box
3. EPS fuse
4. Spare main fuse
12
3
4
1. Headlight fuse
2. Signaling system fuse
3. Ignition fuse
4. Four-wheel-drive motor fuse
5. Backup fuse (for clock)
6. Auxiliary DC jack fuse
7. Spare fuse
1
2
3
4
5
6
7
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2. 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.
[EWB02173]
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.EBU25482Replacing a headlight bulbIf a headlight bulb burns out, replace it as follows.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 A (YFM45GDXG)
5.0 A (YFM45GPHG, YFM45GPXG)
EPS fuse: 40.0 A (YFM45GPHG, YFM45GPXG)
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81. Remove the cover at the rear of the headlight
by pulling it off.
2. Remove the headlight bulb holder cover by pulling it off. 3. Remove the headlight bulb holder by pushing
it in and turning it counterclockwise.
1. Cover at the rear of the headlight
1. Headlight bulb holder cover
1. Headlight bulb holder
1
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4. Remove the burnt-out bulb by pulling it out.
5. Insert a new headlight bulb into the bulb hold-
er by pushing it in. NOTICE: Do not touch
the glass part of the headlight bulb to keep
it free from oil, otherwise the transparency
of the glass, the luminosity of the bulb, and
the bulb life will be adversely affected.
Thoroughly clean off any dirt and finger-
prints on the headlight bulb using a cloth
moistened with alcohol or thinner.
[ECB00652]
6. Install the bulb holder by pushing it in and turning it clockwise. 7. Install the bulb holder cover and the cover at
the rear of the headlight. NOTICE: Make
sure the headlight bulb holder cover is se-
curely fitted over the bulb holder and seat-
ed properly.
[ECB00672]
8. Adjust the headlight beam if necessary.EBU25553Adjusting a headlight beamNOTICEECB00691It is advisable to have a Yamaha dealer make
this adjustment. To raise a headlight beam, turn the headlight
beam adjusting screw in direction (a).
To lower a headlight beam, turn the adjusting
screw in direction (b).
1. Do not touch the glass part of the bulb.U2LC62E0.book Page 59 Monday, May 11, 2015 2:28 PM

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EBU25623Replacing the tail/brake light bulbIf the tail/brake light bulb burns out, replace it as
follows.1. Remove the tail/brake light assembly by re- moving the nuts together with the washers. 2. Remove the tail/brake light bulb holder (to-
gether with the bulb) by turning it counter-
clockwise.1. Headlight beam adjusting screw
1. Tail/brake light assembly
2. Nut
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