6-2
6
on. If the indicator light does not come on,
have a Yamaha dealer check the electrical
circuit.
3. Apply the rear brake lever or brake pedal.
4. Completely close the throttle lever, then push the start switch to crank the engine with the
starter. Release the start switch when the en-
gine has started.
TIPIf the engine fails to start, release the start switch.
Wait a few seconds before the next cranking at-
tempt to allow battery voltage to restore. Do not
crank the engine more than 10 seconds on any
single attempt. NOTICEECB00164For maximum engine life, never accelerate
hard when the engine is cold!
EBU36230Operating the drive select lever and
driving in reverseNOTICEECB03330Do not shift without coming to a complete stop
and waiting for the engine to return to normal
idle speed. Damage to the engine or drivetrain
may occur. Shifting: Neutral to High-range and High-range
to Low-range1. Bring the ATV to a complete stop.
2. Apply the brake pedal, and then shift by mov- ing the drive select lever along the shift guide.TIPMake sure that the drive select lever is completely
shifted into position.
UBB560E0.book Page 2 Friday, March 10, 2017 10:20 AM
6-4
6
TIPWhen in reverse, the reverse indicator light
should come on. If the indicator light does not
come on, have a Yamaha dealer check the elec-
trical circuit.
Due to the synchronizing mechanism in the en-
gine, the indicator light may not come on until
the ATV starts moving. 4. Check behind for people or obstacles, and
then release the brake pedal.
5. Open the throttle lever gradually and continue to watch to the rear while backing.EBU36861Engine break-inThere is never a more important period in the life
of your engine than the first 240 km (150 mi) or 20
hours of operation. For this reason, you should fol-
low the engine break-in instructions carefully.
Since the engine is brand new, do not put an ex-
cessive load on it for the first 240 km (150 mi) or
20 hours. During this period the various parts in
the engine wear and polish themselves to the cor-
rect operating clearances. Avoid prolonged full-
throttle operation or any condition that might re-
sult in engine overheating. 0–120 km (0–75 mi) or 0–10 hours
Avoid prolonged operation above 1/2 throttle.
Vary the speed of the ATV regularly. Do not oper-
ate it at one set throttle position.
120–240 km (75–150 mi) or 10–20 hours
Avoid prolonged operation above 3/4 throttle. Rev
the engine freely, but do not use full throttle at any
time.
240 km (150 mi) or 20 hours and beyond
The ATV can now be operated normally.
NOTICEECB00221If any engine trouble should occur during the
engine break-in period, immediately have a
Yamaha dealer check the ATV. EBU27322ParkingWhen parking the ATV, stop the engine, and shift
the drive select lever into the park position.
UBB560E0.book Page 4 Friday, March 10, 2017 10:20 AM
8-15
8To install the panel
1. Connect the coupler, and then place the pan-
el in the original position.
2. Install the quick fasteners.
3. Place the carrier in the original position, and then install the carrier bolts under the fenders.
4. Install the carrier top bolts, and then tighten all bolts to the specified torques. 5. Install the cover.
For YFM45KPXJ / YFM45KPAJ /
YFM45KPHJ: Install the handlebar-mount-
ed light cover.
For YFM45KDXJ / YFM45KDHJ: Install the
handlebar cover.
6. Install the panels.
EBU23214Checking the spark plugThe spark plug is an important engine component,
which is easy to check. Since heat and deposits
will cause any spark plug to slowly erode, the
spark plug should be removed and checked in ac-
cordance with the periodic maintenance and lubri-
cation chart. In addition, the condition of the spark
plug can reveal the condition of the engine.
To remove the spark plug 1. Remove the spark plug cap.
Tightening torques: Carrier bolt (top):34 N·m (3.4 kgf·m, 25 lb·ft)
Carrier bolt (under fenders): 7 N·m (0.7 kgf·m, 5.2 lb·ft)
UBB560E0.book Page 15 Friday, March 10, 2017 10:20 AM
8-16
8
2. Remove the spark plug as shown, with the
spark plug wrench included in the owner’s
tool kit. To check the spark plug
1. Check that the porcelain insulator around the center electrode of the spark plug is a medi-
um-to-light tan (the ideal color when the ATV
is ridden normally).
TIPIf the spark plug shows a distinctly different color,
the engine could be operating improperly. Do not
attempt to diagnose such problems yourself. In-
stead, have a Yamaha dealer check the ATV.
1. Spark plug cap
1
1. Spark plug wrench
1
UBB560E0.book Page 16 Friday, March 10, 2017 10:20 AM
8-56
8
2. Remove the seat. (See page 4-13.)
3. Remove the blown fuse, and then install a
new fuse of the specified amperage.
WARNING! Always use a fuse of the spec- ified rating, and never use a substitute ob-
ject in place of the proper fuse. An
improper fuse or a substitute object can
cause damage to the electrical system,
which could lead to a fire.
[EWB02173]
4. Turn on the main switch, start the engine, and then turn on the circuit in question.
5. If the fuse immediately blows again, have a Yamaha dealer check the vehicle.
Specified fuses:
Main fuse:40.0 A
Headlight fuse: 15.0 A
Ignition fuse: 10.0 A
Four-wheel-drive motor fuse: 3.0 A
Signaling system fuse: 10.0 A
Radiator fan motor fuse: 20.0 A
Auxiliary DC jack fuse: 10.0 A
Fuel injection system fuse: 10.0 A
EPS fuse: 40.0 A (YFM45KPAJ, YFM45KPHJ,
YFM45KPXJ)
UBB560E0.book Page 56 Friday, March 10, 2017 10:20 AM
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12
INDEX
AAccessories and loading ................................................ 6-5
Accessories, auxiliary jack ........................................... 4-17
Air filter, cleaning ......................................................... 8-30
Axle boots .................................................................... 8-45BBattery .......................................................................... 8-51
Brake fluid, changing ...................................................8-39
Brake fluid level, checking ........................................... 8-38
Brake lever free play, checking the front ..................... 8-39
Brake lever, front .......................................................... 4-10
Brake levers, checking and lubricating ........................ 8-47
Brake light switches ..................................................... 8-46
Brake pads and friction plates, checking ..................... 8-37
Brake pedal and rear brake lever ................................. 4-10
Brake pedal, checking and lubricating ........................ 8-48
Brakes .......................................................................... 8-37
Brakes, front and rear .................................................... 5-3CCables, checking and lubricating ................................. 8-46
Carrier, front ................................................................. 4-15
Carrier, rear .................................................................. 4-15
Chassis fasteners ........................................................... 5-6
Cleaning ......................................................................... 9-1
Coolant ................................................................. 5-3, 8-26
Coolant temperature warning light ................................. 4-2DDifferential gear oil ......................................................... 5-3
Differential gear oil, changing ...................................... 8-24Display unit .................................................................... 4-4
Drive select lever .......................................................... 4-11
Drive select lever and driving in reverse ........................ 6-2
Drive shaft universal joint, lubricating .......................... 8-48
EEngine break-in .............................................................. 6-4
Engine oil ....................................................................... 5-3
Engine oil and oil filter cartridge .................................. 8-17
Engine stop switch ......................................................... 4-7
Engine trouble warning light .......................................... 4-3
EPS warning light (for EPS model) ................................. 4-3FFinal gear oil ......................................................... 5-3, 8-22
Four-wheel-drive indicator light ..................................... 4-4
Fuel ...................................................................... 4-11, 5-3
Fuel tank cap ............................................................... 4-11
Fuses, replacing ........................................................... 8-54HHandlebar switches ....................................................... 4-6
Headlight beam, adjusting ........................................... 8-60
Headlight bulb, replacing ............................................. 8-57
Horn switch .................................................................... 4-7IIdentification numbers ................................................. 11-1
Indicator lights and warning lights ................................. 4-2
Instruments, lights and switches ................................... 5-6LLabel locations ............................................................... 1-1
Light switch .................................................................... 4-7
UBB560E0.book Page 1 Friday, March 10, 2017 10:20 AM
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12
MMain switch .................................................................... 4-1
Maintenance and lubrication chart ................................ 8-4
Maintenance chart, emission control system ................ 8-3
Model label .................................................................. 11-1NNeutral indicator light ..................................................... 4-2OOn-Command four-wheel-drive switch ......................... 4-7
Owner’s manual and tool kit .......................................... 8-2PPanels, removing and installing ..................................... 8-8
Park indicator light ......................................................... 4-2
Parking ........................................................................... 6-4
Parking on a slope ......................................................... 6-5
Part locations ................................................................. 3-1RRear brake, adjusting the lever and pedal ................... 8-40
Rear knuckle pivots, lubricating .................................. 8-49
Reverse indicator light ................................................... 4-2
Riding your ATV ............................................................. 7-1SSafety information .......................................................... 2-1
Seat .............................................................................. 4-13
Self-diagnosis device .................................................... 4-6
Shock absorber assemblies, adjusting the front and rear ............................................................................ 4-15
Spark arrester, cleaning ............................................... 8-33
Spark plug, checking ................................................... 8-15
Specifications .............................................................. 10-1
Speed limiter .................................................................. 4-9 Stabilizer bushes, checking ..........
............................... 8-49
Starting the engine ........................................................ 6-1
Start switch .................................................................... 4-7
Steering shaft, lubricating ............................................ 8-50
Storage .......................................................................... 9-2
Storage compartment .................................................. 4-14
TTail/brake light bulb, replacing .................................... 8-61
Throttle lever ........................................................... 4-8, 5-4
Throttle lever free play, adjusting ................................ 8-36
Tires ............................................................................... 5-4
Troubleshooting ........................................................... 8-63
Troubleshooting charts ................................................ 8-64VValve clearance ............................................................ 8-36
V-belt case drain plug .................................................. 8-35
V-belt cooling duct check hose ................................... 8-35
Vehicle identification number ...................................... 11-1WWheel hub bearings, checking .................................... 8-48
Wheel, installing ........................................................... 8-62
Wheel, removing .......................................................... 8-61
Winch pre-wiring .......................................................... 4-17
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