2017 YAMAHA WOLVERINE engine

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WARNING
EWB02522Gasoline and gasoline vapors are ex-
tremely flammable. To avoid fires and ex-
plosions and to reduce the risk of injury
when refueling, follow these instructions. 1. Before refueling, turn off the engine andbe sure that no one is sitting in the vehi-
cle.
Never refuel while smoking, or while in
the vicinity of sparks, open flames, or
other sources of ignition such as the pilot
lights of water heaters and clothes dry-
ers.
2. Do not overfill the fuel tank. Because fuel expands when it heats up, heat from the
engine or the sun can cause fuel to spill
out of the fuel tank.
3. Wipe up any spilled fuel immediately.
4. Be sure the fuel tank cap is closed se-
curely.
WARNING
EWB02532Gasoline is poisonous and can cause inju-
ry or death. Handle gasoline with care.
Never siphon gasoline by mouth. If you
should swallow some gasoline or inhale a
lot of gasoline vapor, or get some gasoline
in your eyes, see your doctor immediately.
If gasoline spills on your skin, wash with
soap and water. If gasoline spills on your
clothing, change your clothes. Your Yamaha engine has been designed to
use regular unleaded gasoline with a research
octane number of 91 or higher (95 or higher
for Europe). If knocking or pinging occurs,
use a different brand of gasoline or premium
unleaded gasoline. Unleaded fuel will give
you longer spark plug life and reduced main-
tenance cost.
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Portable fuel containers
If you carry a portable fuel container in the
bed of your Yamaha Wolverine, be sure to se-
cure it with the cap tightened before driving
the vehicle.
Always place a portable fuel container on the
ground before filling it. Before removing the
container cap, touch the container with the
fuel dispenser nozzle. Keep fuel dispenser
nozzle in contact with container inlet when fill-
ing. WARNING! Never refill a fuel container
in the bed of any vehicle. Fire may result
from a build-up of static electricity. The discharge of this build-up while refueling
can cause a spark and ignite the gasoline.
[EWB03270]
EBU31750Engine oilMake sure the engine oil is at the specified
level. Add oil as necessary. (See page 8-14.)NOTICEECB00301
In order to prevent clutch slippage (since
the engine oil also lubricates the clutch),
do not mix any chemical additives. Do
not use oils with a diesel specification of
“CD” or oils of a higher quality than
specified. In addition, do not use oils la-
beled “ENERGY CONSERVING II” or
higher.
 Make sure that no foreign material en-
ters the crankcase.
Recommended fuel:
Regular unleaded gasoline only
For Europe: Regular unleaded gasoline only
with a research octane number of 95 or
higher
Fuel tank capacity: 36.7 L (9.69 US gal, 8.07 Imp.gal)
Recommended engine oil type and quantity:See page 10-1.
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EBU31760CoolantCheck the coolant level in the coolant reser-
voir when the engine is cold (the coolant level
will vary with engine temperature).
The coolant level is satisfactory if it is be-
tween the minimum and maximum level
marks on the coolant reservoir. If the coolant
level is at or below the minimum level mark,
add additional coolant to bring the level up to
maximum level mark. If coolant is not avail-
able, add distilled water. Change the coolant
every two years. (See page 8-24.)NOTICEECB02120Hard water or salt water is harmful to the
engine. You may use soft water if you can-
not get distilled water.
EBU36020Final gearMake sure there is no oil leaking from the final
gear case.EBU36030Differential gearMake sure there is no oil leaking from the dif-
ferential gear case.EBU31790Accelerator pedalCheck to see that the accelerator pedal oper-
ates correctly. It must operate smoothly and
spring back to the idle position fully when re-
leased. Have a Yamaha dealer repair as nec-
essary for proper operation.EBU31800Seat beltsMake sure that the seat belts are not frayed,
torn, stretched, or damaged. The seat belts
must move smoothly when pulled out and re-
tract on its own when released. The seat belts
must also lock up when quickly pulled out.
Coolant reservoir capacity (up to the maxi-
mum level mark): 0.28 L (0.30 US qt, 0.25 Imp.qt)
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EBU31870
OPERATION
EBU31880Read the Owner’s Manual carefully to be-
come familiar with all controls. If there is a
control or function you do not understand,
ask your Yamaha dealer.
WARNING
EWB03290Failure to familiarize yourself with the con-
trols can lead to loss of control, which
could cause an accident or injury. EBU31890Engine break-inThere is never a more important period in the
life of your vehicle than the period between 0
and 20 hours.
For this reason, we ask that you read the fol-
lowing material carefully. Because the engine
is brand new, you must not put an excessive
load on it for the first several hours of opera-
tion. During the first 20 hours, the variousparts in the engine wear and polish them-
selves to achieve the correct operating clear-
ances.
During this period, prolonged full-throttle op-
eration or any condition that might result in
excessive engine heating must be avoided.
However, momentary (2–3 seconds maxi-
mum) full-throttle operation under load does
not harm the engine.
Each full-throttle acceleration sequence
should be followed with a substantial rest pe-
riod for the engine, by cruising at lower r/min
so the engine can rid itself of the temporary
build-up of heat. If any abnormality is noticed
during this period, consult a Yamaha dealer.
0–10 hours:
Avoid continuous operation above 1/2-throt-
tle. Allow a cooling-off period of 5 to 10 minu-
tes after every hour of operation. Vary the
speed of the vehicle from time to time. Do not
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10–20 hours:
Avoid prolonged operation above three-quar-
ter throttle.
After break-in:
The vehicle may now be operated normally.EBU33081Starting the engine1. Turn the key to “ ” (on).NOTICEECB02291The coolant temperature warning light and
engine trouble warning light should come
on, then go off.
The EPS warning light should come on,
then go off when the engine is started.
To avoid possible damage, do not operate
the vehicle if a warning light does not work
as described above. 2. Apply the brake pedal.
3. Shift the drive select lever into the neutralposition. 
When the drive select lever is in the
neutral position, the neutral indicator
light should come on. If the neutral indi-
cator light does not come on, ask a
Yamaha dealer to inspect the electric
circuit.
 The engine can be started in any gear if
the brake pedal is applied. However, it
is recommended to shift into neutral
before starting the engine.
4. With your foot off the accelerator pedal,
start the engine by turning the key to “ ”
(start).
If the engine fails to start, release the key, and
then try starting it again. Wait a few seconds
before the next attempt. Each attempt should
be as short as possible, to preserve battery
energy. NOTICE: Do not crank the engine
more than 5 seconds on each attempt, or
starter damage could occur. Wait at least
5 seconds between each operation of the
electric starter to let it cool.
[ECB02140]
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Do not turn the key to the “ ” (start) position
with the engine running; otherwise, damage
to the electric starter may result.TIPFor maximum engine life, never accelerate
hard when the engine is cold! EBU31911Drive select lever operation and re-
verse drivingNOTICEECB02150Do not shift without coming to a complete
stop and waiting for the engine to return to
normal idle speed. Damage to the engine
or drive train may occur. Shifting: neutral to high and high to low1. Stop the vehicle, and take your foot off
the accelerator pedal. 2. Apply the brake pedal, then shift by mov-
ing the drive select lever along the shift
guide. Make sure that the drive select le-
ver is completely shifted into position.
3. Release the parking brake, if applied.
4. Release the brake pedal and press the accelerator pedal gradually.
1. Drive select lever
2. L (Low-range)
3. H (High-range)
4. N (Neutral)
5. R (Reverse)
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Shifting: neutral to reverse
WARNING
EWB03300Before you shift into reverse, make sure
there are no obstacles or people behind
you. When it is safe to proceed, go slowly.
Hitting an obstacle or person could result
in serious injury or death. 1. Stop the vehicle, take your foot off the ac-celerator pedal, and check behind you.
2. Apply the brake pedal.
3. Shift from neutral to reverse or vice versa by moving the drive select lever along the
shift guide.
When in reverse, the reverse indicator
light should be on. If the light does not
come on, ask a Yamaha dealer to in-
spect the reverse indicator light electri-
cal circuit.
 Due to the synchronizing mechanism in
the engine, the light may not come on
until the vehicle starts moving. 4. Release the parking brake, if applied.
5. Check behind the vehicle for people or
obstacles, and then release the brake
pedal.
6. Press the accelerator pedal gradually and
continue to watch to the rear while back-
ing.
1. Drive select lever
2. L (Low-range)
3. H (High-range)
4. N (Neutral)
5. R (Reverse)
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EBU31930ParkingWhen parking, stop the engine and shift the
drive select lever into the neutral position. Ap-
ply the parking brake to help prevent the ve-
hicle from rolling. See page 7-16 for more
information on parking and parking on a
slope.EBU33531LoadingTake extra precautions when driving with a
load or trailer. Follow these instructions and
always use common sense and good judg-
ment when carrying cargo or towing a trailer.
Prepare your load or trailer
WARNING
EWB03310Improper loading or towing can increase
the risk of loss of control, an overturn, or
other accident: 
Do not exceed the Maximum Loading
Limits for the vehicle (see “MAXIMUM
LOADING LIMIT” in this section and ve-
hicle labeling).
 Keep weight in the cargo bed centered
side to side, and as low and as far for-
ward as possible. Top-heavy loads in-
crease the risk of overturn. Be sure
cargo is secured – a loose load could
change handling unexpectedly or strike
occupants.
 Do not exceed the maximum tongue
weight.
 Make sure the load does not interfere
with your control or ability to see where
you are going.
 Tie down cargo in the trailer securely.
Make sure cargo in the trailer cannot
move around. A shifting load can cause
an accident.
Use the hooks equipped on the cargo bed to
tie down loads.
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