2010 YAMAHA YFM250R ECU

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8To 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.
NOTICEECB00930To 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. If you do
not have access to a constant-voltage battery
charger, have a Yamaha dealer charge your
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.
3. Install the battery holding plate by installing
the bolts, and then hook the band to secure
the owner’s tool kit.
4. Install the seat. (See page 4-11.)
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8
EBUM0182Replacing the fuse The fuse holder is located beside the battery and
can be accessed as follows:
1. Remove the seat. (See page 4-11.)
2. Unhook the band securing the owner’s tool kit,
and then remove the battery holding plate by
removing the bolts.1. Battery holding plate
2. Bolt
2
1
1. Battery holding plate
2. Bolt
1. Fuse
2. Spare fuse
2
1
1 2
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8-39
8If the fuse is blown, replace it as follows.
1. Turn the key to “OFF” and turn off all electrical
circuits.
NOTICEECB00640To prevent accidental short-circuiting, turn off
the main switch when checking or replacing a
fuse.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.
[EWB02172]
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.5. Install the battery holding plate by installing
the bolts, and then hook the band to secure
the owner’s tool kit.
6. Install the seat.
EBU25443Replacing a headlight bulb If a headlight bulb burns out, replace it as follows.
1. Remove the headlight unit by removing the
bolt.
2. Disconnect the headlight coupler.
3. Remove the headlight bulb holder cover. Specified fuses:
Fuse:
15.0 A1. Headlight unit
2. Bolt
1 2
U1BT60E0.book Page 39 Wednesday, April 15, 2009 1:13 PM