Page 10 of 160

Drive chain slack ....................................... 8-38
Lubricating the drive chain........................ 8-40
Checking and lubricating the cables......... 8-40
Checking and lubricating the brake and clutch levers ............................................ 8-41
Checking the shift pedal ........................... 8-41
Checking and lubricating the brake pedal ....................................................... 8-41
Checking the wheel hub bearings............. 8-42
Lubricating the swingarm pivots ............... 8-42
Lubricating the rear suspension relay arm and connecting arm pivoting points ....... 8-43
Lubricating the upper and lower arm pivots ...................................................... 8-44
Lubricating the steering shaft ................... 8-45
Battery....................................................... 8-45
Replacing a fuse ....................................... 8-48
Replacing a headlight bulb ....................... 8-50
Adjusting a headlight beam ...................... 8-51
Tail/brake light........................................... 8-52
Removing a wheel ..................................... 8-52
Installing a wheel....................................... 8-52
Troubleshooting ........................................ 8-53
Troubleshooting charts ............................. 8-54
CLEANING AND STORAGE ........................... 9-1 Cleaning ...................................................... 9-1 Storage ....................................................... 9-2
SPECIFICATIONS ........................................ 10-1
CONSUMER INFORMATION....................... 11-1 Identification numbers .............................. 11-1
INDEX .......................................................... 12-1
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3-1
3
EBU17681
DESCRIPTION
EBU17691Left view1. Engine oil tank filler cap
2. Coolant reservoir
3. Fuel tank cap
4. Idle adjusting screw
5. Battery
6. Fuses
7. Rear shock absorber assembly rebound damping force adjusting screw (YFM70RSSH/YFM70RSXH)
8. Rear shock absorber assembly compression damping force adjusting bolt (for fast compression damping)
(YFM70RSSH/YFM70RSXH)
1 2
4
3
658,9
10
11
7
12
9. Rear shock absorber assembly compression damping
force adjusting screw (for slow compression damping)
(YFM70RSSH/YFM70RSXH)
10.Rear shock absorber assembly spring preload adjusting nut
11.Shift pedal
12.Engine oil tank drain bolt
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4-4
4
EBU18066Handlebar switchesEBU18081Engine stop switch “ / ”
Set this switch to “ ” before starting the engine.
The engine stop switch controls the ignition and
stops the engine when it is running. Use this
switch to stop the engine in an emergency situa-
tion. The engine will not start or run when this
switch is set to “ ”.
EBU18102Start switch “ ”
Push this switch to crank the engine with the start-
er. See the starting instructions on page 6-1 prior
to starting the engine.EBU18155Light switch “ / /OFF”
Set this switch to “ ” to turn on the low beams
and the taillight. Set the switch to “ ” to turn on
the high beams and the taillight. Set the switch to
“OFF” to turn off all the lights.NOTICEECB00044Do not use the headlights with the engine
turned off for an extended period of time, oth-
erwise the battery may discharge to the point
that the starter motor will not operate properly.
If this should happen, remove the battery and
recharge it. (See page 8-45.) EBU18283Throttle leverOnce the engine is running, pushing the throttle le-
ver will increase the engine speed.
1. Light switch “ / /OFF”
2. Engine stop switch “ / ”
3. Start switch “ ”
123
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6-2
6
TIPIf the engine fails to start, release the start switch,
then push it again. Pause a few seconds before
the next attempt. Each cranking should be as
short as possible to preserve battery energy. Do
not crank the engine more than 10 seconds on
each attempt. NOTICEECB00164For maximum engine life, never accelerate
hard when the engine is cold! EBU20535ShiftingThis ATV has a 5-speed forward and 1-speed re-
verse transmission. The transmission allows you
to control the amount of power you have available
at a given speed or for starting, accelerating,
climbing hills, etc.
To shift into neutral, release the throttle lever, ap-
ply the clutch, and then repeatedly depress the
shift pedal until it stops.
When it stops, it will be in first gear. Raise the ped-
al slightly to reach the neutral position, and then
release the clutch.
EBU20595To start out and accelerate1. Release the throttle lever, apply the front or rear brake, and then release the parking
brake.
2. Pull the clutch lever to disengage the clutch.
3. Shift into first gear, and then release the brake. NOTICE: Always close the throttle
before shifting gears, otherwise damage
to the engine and drive train may result.
[ECB01220]
1. Shift pedal
2. Neutral position
3. Reverse position
2 3
4 5N1R
1
23
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8-45
8
Right side
EBU25094Lubricating the steering shaftThe steering shaft must be lubricated by a
Yamaha dealer at the intervals specified in the pe- riodic maintenance and lubrication chart.TIPFor parts equipped with a grease nipple, use a
grease gun.
EBU30036BatteryThe battery is located under the seat. (See page
4-12.)
This model is equipped with a VRLA (Valve Regu-
lated Lead Acid) battery. There is no need to
check the electrolyte or to add distilled water.
However, the battery lead connections need to be
checked and, if necessary, tightened.
WARNING
EWB02161Battery electrolyte is poisonous and danger-
ous, as it contains sulfuric acid, which can cau-
se severe burns. Avoid contact with skin, eyes
or clothing. Always shield your eyes when
working near batteries.
Antidote:
EXTERNAL: Flush with water.
INTERNAL: Drink large quantities of water or
milk. Follow with milk of magnesia, beaten egg
or vegetable oil. Call a physician immediately.
EYES: Flush with water for 15 minutes and get
prompt medical attention.
Batteries produce explosive gases. Keep
sparks, flame, cigarettes or other sources of
ignition away. Ventilate when charging or using
in an enclosed space.
1. Upper grease nipple
2. Lower grease nippleRecommended lubricant: Lithium-soap-based grease
1
2
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8-46
8KEEP 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 4-12.)
2. Remove the battery holding plate (together with the battery cover) by removing the quick
fastener screws and 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.
1. Bolt
2. Battery holding plate
3. Battery cover
4. Quick fastener screw
1 2
4
3
1. Negative battery lead (black)
2. Battery
3. Positive battery lead (red)
1
3
2
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8-47
8
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.
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. Hook the battery holding plate onto the bat- tery box.1. Positive battery lead (red)
2. Negative battery lead (black)
2 1
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Page 140 of 160
8-48
84. Install the battery holding plate with the bat-
tery cover by installing the bolts and the quick
fastener screws.
5. Install the seat. (See page 4-12.)
EBU34660Replacing a fuseThe main fuse and the fuse box are located under
the seat. (See page 4-12.)1. Battery holding plate
2. Battery box
2
1
1. Main fuse
2. Spare main fuse
1
2
U2LS62E0.book Page 48 Thursday, February 25, 2016 8:44 AM