2010 YAMAHA VMAX ECU

PERIODIC MAINTENANCE AND ADJUSTMENT
6-30
6 3. Remove the battery cover bolts, lift
the battery cover (together with the
ECU), then move the cover to the
side.
4. Remove the main fuse (together
with the holding band) from its
holder.
5. Disconnect coupler A.6. Remove the rubber damper.
7. Unfold the heat insulator as
shown.8. Pull the battery out of its compart-
ment.
To charge the battery
Have a Yamaha dealer charge the bat-
tery as soon as possible if it seems to
have discharged. Keep in mind that the
battery tends to discharge more quickly
if the vehicle is equipped with optional
electrical accessories.
NOTICE
ECA16520
To charge a VRLA (Valve Regulated
Lead Acid) battery, a special (con-
stant-voltage) battery charger is re-
quired. Using a conventional battery
charger will damage the battery. If
1. Bolt
2. Battery cover
1
2
1. Main fuse
2. Holding band
3. Coupler A
1. Rubber damper2
1
3
1
1. Heat insulator
2. Battery1
2
U2S3E1E0.book Page 30 Friday, August 7, 2009 1:06 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
6-31
6you do not have access to a con-
stant-voltage battery charger, have a
Yamaha dealer charge your battery.
To store the battery
1. If the vehicle will not be used for
more than one month, remove the
battery, fully charge it, and then
place it in a cool, dry place.
NOTICE: When removing the
battery, be sure the key is
turned to “OFF”, then discon-
nect the negative lead before
disconnecting the positive lead.
[ECA16302]
2. If the battery will be stored for more
than two months, check it at least
once a month and fully charge it if
necessary.
To install the batteryTIPBe sure the battery is fully charged.1. Place the battery in its compart-
ment.2. Fold the heat insulator back to its
original position. NOTICE: Make
sure that the heat insulator is in
its original position and it is
properly folded.
[ECA16550]
3. Install the rubber damper.
4. Connect coupler A.
5. Install the main fuse (together with
the holding band) on its holder.
6. Place the battery cover (together
with the ECU) in the original posi-
tion, and then install the bolts.
7. Connect the positive battery lead
first, then connect the negative
battery lead by installing their bolt.
8. Install the cowling.
NOTICE
ECA16530
Always keep the battery charged.
Storing a discharged battery can
cause permanent battery damage.
1. Heat insulator1
U2S3E1E0.book Page 31 Friday, August 7, 2009 1:06 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
6-34
6 1. Remove the headlight unit by re-
moving the bolts.
2. Disconnect the headlight coupler,
and then remove the bulb cover.3. Unhook the headlight bulb holder,
and then remove the burnt-out
bulb.
4. Place a new headlight bulb into po-
sition, and then secure it with the
bulb holder.5. Install the headlight bulb cover,
and then connect the coupler.
6. Install the headlight unit by install-
ing the bolts.
7. Have a Yamaha dealer adjust the
headlight beam if necessary.
1. Do not touch the glass part of the bulb.
1. Bolt
1
1
1. Headlight coupler
2. Headlight bulb cover
1. Headlight bulb holder
1
2
1
U2S3E1E0.book Page 34 Friday, August 7, 2009 1:06 PM