2018 YAMAHA WOLVERINE battery

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INTERNAL: Drink large quantities of water
or milk. Follow with milk of magnesia,
beaten egg, or vegetable oil. Get prompt
medical attention.
EYES: Flush with water for 15 minutes and
get prompt medical attention.
WARNING
EWB03420Batteries may produce explosive gases.
Ventilate when charging or using in a
closed space. Keep batteries away from
sparks, flames, cigarettes, or other sourc-
es of ignition. To remove the battery1. Turn the key to “ ” (off).
2. Remove the hood. (See page 8-10.)
3. Remove the air intake duct panel by re- moving the quick fastener screws. 4. Disconnect the negative battery lead first,
then the positive battery lead. NOTICE:
When removing the battery, the main
switch must be of f, and the negative
lead must be disconnected before the
positive lead.
[ECB01002]
1. Quick fastener screw
2. Air intake duct panel
2
1
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5. Unhook the battery bands.
6. Pull the battery out of its compartment.
To charge the battery
 Remove it from vehicle and confirm the rec-
ommended charging rate as specified on
the battery itself.
 Select a suitable charger and follow the
manufacturer’s instructions, or have a
Yamaha dealer charge it for you. 
Keep in mind that the battery tends to dis-
charge more quickly if the vehicle is
equipped with optional electrical accesso-
ries.
NOTICEECB00933To charge a VRLA (valve-regulated lead-
acid) battery, a special battery charger is
required. Using a conventional battery
charger will damage the battery. To store the battery
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.
 If the battery will be stored for more than
two months, check it at least once a month
and fully charge it if necessary.
1. Positive battery lead (red)
2. Battery band
3. Negative battery lead (black)
2
1
3
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NOTICEECB00942Always keep the battery charged. Stor-
ing the battery in a discharged state for
an extended period of time will cause
permanent battery damage.
 Do not store the battery in an excessive-
ly cold or warm place [below freezing or
above 30 °C (90 °F)]. To install the batteryTIPBe sure the battery is fully charged. 1. Place the battery in its compartment.
2. Hook the battery bands.
3. Connect the positive battery lead by in-
stalling its bolt and cover, then connect
the negative battery lead. NOTICE:
When installing the battery, the main
switch must be off, and the positive
lead must be connected before the
negative lead.
[ECB01111]
4. Install the air intake duct panel by install- ing the quick fastener screws.
5. Install the hood.TIP Make sure the battery leads are installed as
shown.
 Fully charge the battery before installing it. 1. Positive battery lead (red)
2. Battery band
3. Negative battery lead (black)
2
1
3
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EBU32651Jump-startingJump-starting the vehicle should be avoided.
The battery should be removed and charged
instead.
However, if the vehicle must be jump-started,
proceed as follows.
WARNING
EWB03430To avoid battery explosion and/or serious
damage to the electrical system:
Do not connect the negative lead of the
jumper cable to the negative terminal of
the battery.
 Do not touch the positive lead of the
jumper cable to the negative lead.
 Do not reverse the polarity of the jumper
cables when connecting to the batteries. 1. Turn the key to “ ” (off).
2. Remove the hood. (See page 8-10.)
3. Using a charged 12-volt battery, connect
the positive lead of the jumper cable to
the positive terminal of the battery in the vehicle and the other end of the positive
lead to the positive terminal of the
charged battery.
4. Connect the negative lead of the jumper cable to the negative terminal of the
charged battery and the other end of the
negative lead to an unpainted metal sur-
face of the frame of the vehicle to be
started.
1. Jumper cable positive lead
1
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5. Start the engine. (See page 6-2.)
6. After the engine starts, disconnect thenegative lead of the jumper cable from
the frame and charged battery, and then
disconnect the positive lead of the jump-
er cable from the charged battery and the
battery in the vehicle.
7. Install the hood.
EBU32663Fuse replacementThe fuses are located under the hood. If an
electrical problem is suspected, check the
fuses and replace if necessary.
General layout
1. Jumper cable negative lead
1
1. Fuse box
2. Main fuse
3. EPS fuse
4. Fuel injection system fuse
5. Fuel injection system spare fuse
1 3
2
4
5
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EBU32712Troubleshooting chartsStarting problems or poor engine performanceCheck the fuel level in
the fuel tank.1. Fuel
There is enough fuel.There is no fuel.
Check the battery.
Supply fuel.
The engine does not start.
Check the battery.
Operate the electric starter.4. Compression
There is compression.
There is no compression.
The engine does not start.
Have a Yamaha dealer check the vehicle.Have a Yamaha dealer check the vehicle.
Remove the spark plug
and check the electrodes.3. Ignition
Wipe off with a dry cloth and correct the
spark plug gap, or replace the spark plug. Have a Yamaha dealer check the vehicle.
The engine does not start.
Check the compression.
Operate the electric starter.2. Battery
The engine turns over
quickly.
The engine turns over
slowly.
The battery is good.
DryWet
Operate the electric starter.
Check the battery lead connections,
and have a Yamaha dealer charge
the battery if necessary.
The engine does not start.
Check the ignition.
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Remove the spark plug wire and ground
it. Operate the electric starter to turn the
engine over several times and coat the
cylinder walls with oil.
3. Lubricate all control cables.
4. Put the frame on stands or blocks to raise
all wheels off the ground.
5. Tie a plastic bag over the exhaust pipe
outlet to prevent moisture from entering.
6. If storing in a humid or salt-air atmo- sphere, coat all exposed metal surfaces
with a light film of oil. Do not apply oil to
any rubber parts or the seat covers.
7. Remove the battery and charge it. Store
it in a dry place and recharge it once a
month. Do not store the battery in an ex-
cessively warm or cold place [less than 0
°C (30 °F) or more than 30 °C (90 °F)].
Use of fuel stabilizer eliminates the need to
drain the fuel system. Consult a Yamaha
dealer if the fuel system needs to be drained.
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Front brake:Type:Hydraulic disc brake
Specified brake fluid:
DOT 4Rear brake:Type:Hydraulic disc brake
Specified brake fluid:
DOT 4Front suspension:Type:Double wishbone
Spring/shock absorber type:
Coil spring/gas-oil damper
Wheel travel: 246 mm (9.7 in)Rear suspension:Type:
Double wishbone
Spring/shock absorber type: Coil spring/gas-oil damper
Wheel travel: 269 mm (10.6 in)Electrical system:Ignition system:TCI
Charging system: AC magneto
Battery:Model:U1-H11L
Voltage, capacity:
12 V, 28.0 AhHeadlight(s):Bulb type:Halogen bulbBulb voltage, wattage × quantity:Headlight:
12 V, 35.0/35.0 W × 2
Tail/brake light: 12 V, 5.0/21.0 W × 2
Meter lighting:
EL (Electroluminescent)
Neutral indicator light: LED
Reverse indicator light: LED
Coolant temperature warning light:
LED
Engine trouble warning light: LED
Parking brake indicator light: LED
High-range indicator light:
LED
Low-range indicator light: LED
Differential gear lock indicator light: LED
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