Page 90 of 174

7-18
7CROSSING A SLOPE
WARNING
EWB01633Improperly crossing hills or turning on hills
could cause loss of control or cause the ATV to
overturn.
Always follow proper procedures as de-
scribed in the Owner’s Manual.
Avoid hills with excessively slippery or loose
surfaces.
Avoid crossing the side of a steep hill.
Shift your weight to the uphill side of the ATV.
Never attempt to turn the ATV around on any
hill until you have mastered the turning tech-
nique as described in the Owner’s Manual on
level ground. Be very careful when turning
on any hill.
Traversing a sloping surface on your ATV requires
you to properly position your weight to maintain
proper balance. Be sure that you have learned the
basic riding skills on flat ground before attempting
to cross a sloping surface. Avoid slopes with slip-
pery surfaces or rough terrain that may upset your
balance.
As you travel across a slope, lean your body in the
uphill direction. It may be necessary to correct the
steering when riding on loose surfaces by pointing
the front wheels slightly uphill. When riding on
slopes, be sure not to make sharp turns either up
or down hill.
If your ATV does begin to tip over, gradually steer
in the downhill direction if there are no obstacles
in your path. As you regain proper balance, grad-
ually steer again in the direction you wish to travel.
U2UD61E0.book Page 18 Monday, April 25, 2016 10:55 AM
Page 104 of 174
8-8
8
EBU23072TIPSome maintenance items need more frequent service if you are riding in unusually wet, dusty, sandy or
muddy areas, or at full-throttle.21 Final gear oil • Change.
• Check ATV for oil leakage, and correct if neces-
sary. √√
22 Cooling system • Check coolant level and ATV for coolant leakage,
and correct if necessary. √√√√√
• Replace coolant. Every 2 years
23 *Moving parts and
cables • Lubricate.
√√√√
24 *Throttle lever • Check operation.
• Check throttle lever free play, and adjust if neces-
sary.
• Lubricate cable and lever housing. √√√√√
25 *Front and rear
brake switches • Check operation and correct if necessary.
√√√√√
26 *Lights and switches • Check operation and correct if necessary.
• Adjust headlight beams. √√√√√
NO. ITEM
CHECK OR MAINTENANCE
JOB INITIAL EVERY
Whichev-
er comes first month136612
km (mi) 320
(200) 1300
(800) 2500
(1600) 2500
(1600) 5000
(3200)
hours 20 80 160 160 320U2UD61E0.book Page 8 Monday, April 25, 2016 10:55 AM
Page 115 of 174
8-19
8
4. 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 vehi-
cle 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 vehicle. 2. Check the spark plug for electrode erosionand excessive carbon or other deposits, and
replace it if necessary.
3. Measure the spark plug gap with a wire thick- ness gauge and, if necessary, adjust the gap
to specification.
1. Spark plug wrench
1
Specified spark plug:NGK/CPR7EA-9
U2UD61E0.book Page 19 Monday, April 25, 2016 10:55 AM
Page 137 of 174
8-41
8
2. Remove the tailpipe by pulling it out of the
muffler, and then remove the gasket.
3. Tap the tailpipe lightly, and then use a wire brush to remove any carbon deposits from
the spark arrester portion of the tailpipe and
inside of the tailpipe housing. 4. Check the gasket for damage, and replace it
if necessary.
5. Make sure the gasket is properly positioned, then insert the tailpipe into the muffler and
align the bolt holes.
6. Install the bolts and tighten them to the spec- ified torque.
1. Tailpipe bolt
1
1
1. Gasket
2. Spark arrester
3. TailpipeTightening torque:Tailpipe bolt:10 Nm (1.0 m·kgf, 7.2 ft·lbf)
3
2
1
U2UD61E0.book Page 41 Monday, April 25, 2016 10:55 AM
Page 144 of 174
8-48
84. Tighten the locknut.
5. After adjusting, there should be slight play at
the brake pedal cable joint as shown. If there
is no play, repeat steps 2 to 4. 6. Install the panel.
If the correct free play cannot be obtained, have a
Yamaha dealer adjust it.
TIPWhen adjusting the brake pedal free play:
Be sure not to step on the brake pedal.
Make sure the rear brake lever and brake pedal
do not move.
1. Locknut
2. Brake pedal free play adjusting nut
1. Brake pedal cable joint
2. Slight play (0.1–0.5 mm [0.004–0.02 in])
1
2
U2UD61E0.book Page 48 Monday, April 25, 2016 10:55 AM
Page 153 of 174
8-57
8
EBU30521Replacing a fuse
The main fuse, the fuel injection system fuse, the
EPS fuse, and the fuse box are located under pan-
el A. (See page 8-10.)
If a fuse is blown, replace it as follows.1. Turn the key to “ ” (off) and turn off all elec- trical circuits.
1. Fuse box
2. Main fuse
3. EPS fuse
4. Fuel injection system spare fuse
5. Fuel injection system fuse
2345
1
1. Headlight fuse
2. Signaling system fuse
3. Radiator fan motor fuse
4. Ignition fuse
5. Four-wheel-drive motor fuse
6. Auxiliary DC jack fuse
7. Spare fuse
123456
7
U2UD61E0.book Page 57 Monday, April 25, 2016 10:55 AM
Page 154 of 174
8-58
8
NOTICEECB00641To prevent accidental short-circuiting, turn off
the main switch when checking or replacing a
fuse. 2. Remove the blown fuse, and then install anew 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]
3. Turn the key to “ ” (on) and turn on the elec-trical circuits to check if the devices operate.
4. If the fuse immediately blows again, have a Yamaha dealer check the electrical system.
Specified fuses:
Main fuse:40.0 A
Headlight fuse: 10.0 A
Ignition fuse: 10.0 A
Four-wheel-drive motor fuse: 10.0 A
Signaling system fuse: 10.0 A
Auxiliary DC jack fuse: 10.0 A
Radiator fan motor fuse: 20.0 A
Fuel injection system fuse: 15.0 A
EPS fuse: 40.0 A
U2UD61E0.book Page 58 Monday, April 25, 2016 10:55 AM
Page 155 of 174
8-59
8
EBU34711Replacing a headlight bulbCenter headlight
If the headlight bulb burns out, replace it as fol-
lows.1. Remove the headlight cover by removing the quick fasteners.
2. Remove the bulb cover by pulling it off. 3. Remove the socket by pushing it in and turn-
ing it counterclockwise.1. Headlight cover
2. Quick fastener
1
2
2
1. Bulb cover
1. Socket
1
1
U2UD61E0.book Page 59 Monday, April 25, 2016 10:55 AM