EBU17421
TABLE OF CONTENTS
LOCATION OF THE WARNING AND
SPECIFICATION LABELS .............................. 1-1
SAFETY INFORMATION ................................ 2-1
DESCRIPTION................................................ 3-1Left view ...................................................... 3-1
Right view.................................................... 3-1
Controls and instruments............................ 3-2
INSTRUMENT AND CONTROL
FUNCTIONS ................................................... 4-1 Main switch ................................................. 4-1
Indicator lights and warning lights .............. 4-1
Multi-function display (YFM70KPXK / YFM70KPAK / YFM70KPHK /
YFM70KPSK / YFM70KPLK) .................... 4-6
Handlebar switches .................................. 4-12
Drive lever “2WD/4WD” (YFM70KDXK / YFM70KDHK) .......................................... 4-17
Throttle lever ............................................. 4-18
Speed limiter ............................................. 4-19
Front brake lever ....................................... 4-19
Brake pedal and rear brake lever .............. 4-20 Drive select lever ...................................... 4-21
Fuel tank cap ............................................ 4-21
Fuel ........................................................... 4-22
Seat .......................................................... 4-24
Storage compartment............................... 4-25
Front carrier .............................................. 4-26
Rear carrier ............................................... 4-26
Front and rear shock absorbers
(YFM70KPXK / YFM70KPAK /
YFM70KPHK / YFM70KPSK /
YFM70KPLK) .......................................... 4-26
Trailer hitch .............................................. 4-28
Auxiliary DC jack....................................... 4-29
PRE-OPERATION CHECKS .......................... 5-1 Fuel ............................................................. 5-3
Engine oil .................................................... 5-3
Final gear oil ............................................... 5-3
Differential gear oil ...................................... 5-3
Coolant ....................................................... 5-3
Front and rear brakes ................................. 5-3
Throttle lever ............................................... 5-4
Tires ............................................................ 5-4
Chassis fasteners ....................................... 5-7UB5K60E0.book Page 1 Monday, May 28, 2018 11:35 AM
Instruments, lights and switches ................ 5-7
OPERATION ................................................... 6-1 Starting the engine ...................................... 6-1
Operating the drive select lever and driving in reverse ....................................... 6-2
Engine break-in ........................................... 6-4
Parking ........................................................ 6-4
Parking on a slope ...................................... 6-5
Accessories and loading ............................. 6-5
RIDING YOUR ATV ........................................ 7-1 GETTING TO KNOW YOUR ATV ................ 7-2
RIDE WITH CARE AND GOOD JUDGMENT .............................................. 7-2
BE CAREFUL WHERE YOU RIDE ............... 7-9
TURNING YOUR ATV................................ 7-12
CLIMBING UPHILL ................................... 7-13
RIDING DOWNHILL .................................. 7-16
CROSSING A SLOPE................................ 7-17
CROSSING THROUGH SHALLOW WATER .................................................... 7-18
RIDING OVER ROUGH TERRAIN ............. 7-20
SLIDING AND SKIDDING .......................... 7-21
WHAT TO DO IF... ..................................... 7-22
WHAT TO DO... ......................................... 7-22 PERIODIC MAINTENANCE AND
ADJUSTMENT ............................................... 8-1
Owner’s Manual and tool kit....................... 8-2
Periodic maintenance chart: Emission control system .......................................... 8-3
Periodic maintenance chart: General maintenance and lubrication .................... 8-5
Removing and installing panels .................. 8-9
Checking the spark plug........................... 8-17
Engine oil and oil filter cartridge ............... 8-19
Final gear oil ............................................. 8-24
Differential gear oil .................................... 8-26
Coolant ..................................................... 8-28
Cleaning the air filter element ................... 8-36
Cleaning the spark arrester ...................... 8-39
V-belt case drain plug............................... 8-40
Adjusting the throttle lever free play ......... 8-41
Valve clearance......................................... 8-41
Brakes....................................................... 8-41
Checking the front brake pads and rear brake friction plates ................................ 8-42
Checking the brake fluid level .................. 8-43
Changing the brake fluid .......................... 8-44
Checking the front brake lever free play... 8-44
Adjusting the rear brake lever and brake pedal free play ........................................ 8-44
Axle boots................................................. 8-47
UB5K60E0.book Page 2 Monday, May 28, 2018 11:35 AM
3-1
3
EBU17681
DESCRIPTION
EBU17691Left view
EBU17701Right view
1. Radiator cap
2. Battery
3. Fuses
4. Air filter
5. Spark arrester
6. Rear brake light switch
7. Engine oil dipstick
8. Oil filter cartridge
9. Coolant reservoir
5
1
2,3
47
8
6
9
1. Rear shock absorber
2. Fuel tank cap
3. Tool kit
4. Storage compartment
5. Spark plug
6. Front shock absorber
7. Brake pedal
8. V-belt case drain plug
5
1
6
23
478
UB5K60E0.book Page 1 Monday, May 28, 2018 11:35 AM
4-1
4
EBU17739
INSTRUMENT AND CONTROL FUNCTIONS
EBU29913Main switch“” (on)
All electrical systems are supplied with power. The
engine can be started. The key cannot be re-
moved.
“ ” (off)
All electrical systems are off. The key can be re-
moved.
EBU26698Indicator lights and warning lightsYFM70KDXK / YFM70KDHK
1. Main switch
1
1. Fuel level warning light “ ”
2. Engine trouble warning light “ ”
3. Coolant temperature warning light “ ”
4. Neutral indicator light “N”
5. Reverse indicator light “R”
6. Park indicator light “P”
7. Four-wheel drive indicator light “ ”
123456
7
UB5K60E0.book Page 1 Monday, May 28, 2018 11:35 AM
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4
YFM70KPXK / YFM70KPAK / YFM70KPHK /
YFM70KPSK / YFM70KPLK
EBU17992Low-range indicator light “ ” (YFM70KPXK /
YFM70KPAK / YFM70KPHK / YFM70KPSK /
YFM70KPLK)
This indicator light comes on when the transmis-
sion is in the low-range position.EBU17982High-range indicator light “ ” (YFM70KPXK /
YFM70KPAK / YFM70KPHK / YFM70KPSK /
YFM70KPLK)
This indicator light comes on when the transmis-
sion is in the high-range position.EBU17861Neutral indicator light “ ”
This indicator light comes on when the transmis-
sion is in the neutral position.EBU17831Reverse indicator light “ ”
This indicator light comes on when the transmis-
sion is in the reverse position.
1. Differential gear lo
ck indicator light “ ”
2. Low-range indicator light “L”
3. High-range indicator light “H”
4. Neutral indicator light “N”
5. Reverse indicator light “R”
6. Park indicator light “ ”
7. Four-wheel drive icon “ ”
8. Differential gear lock icon “ ”
9. Electric Power Steering warning light “EPS”
10.High beam indicator light “ ”
11.Battery voltage warning light “ ”
12.Coolant temperature warning light “ ”
13.Engine trouble warning light “ ”1
7,8
23456
910111213
UB5K60E0.book Page 2 Monday, May 28, 2018 11:35 AM
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EBU38270Park indicator light “ ” (YFM70KDXK /
YFM70KDHK) / “ ” (YFM70KPXK /
YFM70KPAK / YFM70KPHK / YFM70KPSK /
YFM70KPLK)
This indicator light comes on when the transmis-
sion is in the park position.EBU27982High beam indicator light “ ” (YFM70KPXK /
YFM70KPAK / YFM70KPHK / YFM70KPSK /
YFM70KPLK)
This indicator light comes on when the high beam
of the headlight is switched on.EBU38261Battery voltage warning light “ ”
(YFM70KPXK / YFM70KPAK / YFM70KPHK /
YFM70KPSK / YFM70KPLK)
This warning light comes on if the detected battery
voltage is less than 10 volts, or greater than 18
volts.EBU38290Coolant temperature warning light “ ”
This warning light comes on when the engine
overheats.The electrical circuit of the warning light can be
checked by turning the key to “ ” (on). The
warning light should come on for a few seconds,
and then go off. If the warning light does not come
on initially when the key is turned to “ ” (on), or
if the warning light remains on, have a Yamaha
dealer check the vehicle.
NOTICEECB02040
The engine may overheat if the vehicle is
overloaded. If this happens, reduce the load
to specification.
After restarting, make sure that the warning
light is out. Continuous use while this warn-
ing light is on may cause damage to the en-
gine. YFM70KDXK / YFM70KDHK
If the light comes on during operation, stop the ve-
hicle as soon as it is safe to do so and allow the
engine to cool down for about 10 minutes. (See
page 8-67.)
UB5K60E0.book Page 3 Monday, May 28, 2018 11:35 AM
4-8
4
Push the “SELECT” button to switch between the
odometer “ODO”, the tripmeters “TRIP A” and
“TRIP B”, and the service tripmeter “ ” in the
following order:
ODO
→ TRIP A → TRIP B → → ODO
To reset a tripmeter, set the display to the tripme-
ter you want to reset, then push the “RESET” but-
ton for 2 seconds.
TIP The odometer will lock at 199999.
The tripmeters will reset and continue counting
after 9999.9 is reached.
Clock, hour meter, voltage display and coolant
temperature display
The clock displays time in 12-hour format. The
hour meter shows the total time the engine has
been running. The voltage display shows the bat-
tery voltage. The coolant temperature display
shows the temperature of the coolant.
Push the “MODE” button to switch between the
clock “CLOCK”, the hour meter “HOUR”, the volt-
age display “VOLT”, and the coolant temperature
display “ ” in the following order:1. Clock/Hour meter/Voltage display/Coolant temperature
display
2. “MODE” button
3. “SELECT” button
4. “RESET” button1
2
3
4
UB5K60E0.book Page 8 Monday, May 28, 2018 11:35 AM
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EBU19203
PRE-OPERATION CHECKS
EBU19226Inspect your vehicle each time you use it to make sure the vehicle is in safe operating condition. Always
follow the inspection and maintenance procedures and schedules described in the Owner’s Manual.
WARNING
EWB00482Failure to inspect or maintain the vehicle properly increases the possibility of an accident or equip-
ment damage. Do not operate the vehicle if you find any problem. If a problem cannot be corrected
by the procedures provided in this manual, have the vehicle inspected by a Yamaha dealer. Before using this vehicle, check the following points:
ITEMROUTINE PAGE
Fuel • Check fuel level in fuel tank,
and add recommended fuel if neces-
sary.
• Check fuel line for leakage. Correct if necessary. 4-22, 5-3
Engine oil • Check oil level in engine, and add recommended oil to specified
level if necessary.
• Check ATV for oil leakage. Correct if necessary. 5-3, 8-19
Final gear oil • Check ATV for oil leakage. Correct if necessary. 5-3, 8-24
Differential gear oil • Check ATV for oil leakage. Correct if necessary. 5-3, 8-26
Coolant • Check coolant level in reservoir, and add recommended coolant to
specified level if necessary.
• Check cooling system for leakage. Correct if necessary. 5-3, 8-28
UB5K60E0.book Page 1 Monday, May 28, 2018 11:35 AM