Page 9 of 174

Operating the drive select lever and driving in reverse ....................................... 6-2
Engine break-in ........................................... 6-4
Parking ........................................................ 6-5
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 ............. 7-10
TURNING YOUR ATV................................ 7-13
CLIMBING UPHILL ................................... 7-14
RIDING DOWNHILL .................................. 7-16
CROSSING A SLOPE................................ 7-18
CROSSING THROUGH SHALLOW WATER .................................................... 7-19
RIDING OVER ROUGH TERRAIN ............. 7-21
SLIDING AND SKIDDING.......................... 7-22
WHAT TO DO IF... ..................................... 7-23
WHAT TO DO... ......................................... 7-23
PERIODIC MAINTENANCE AND
ADJUSTMENT................................................ 8-1 Owner’s manual and tool kit ....................... 8-2 Periodic maintenance chart for the
emission control system ........................... 8-3
General maintenance and lubrication chart.......................................................... 8-5
Removing and installing panels ................ 8-10
Checking the spark plug........................... 8-18
Engine oil and oil filter cartridge ............... 8-21
Final gear oil ............................................. 8-25
Differential gear oil .................................... 8-28
Coolant ..................................................... 8-30
Cleaning the air filter element ................... 8-38
Cleaning the spark arrester ...................... 8-40
V-belt case drain plug............................... 8-42
Adjusting the throttle lever free play ......... 8-42
Valve clearance......................................... 8-43
Brakes....................................................... 8-43
Checking the front and rear brake pads... 8-43
Checking the brake fluid level .................. 8-44
Changing the brake fluid .......................... 8-46
Checking the front and rear brake lever free play .................................................. 8-46
Adjusting the brake pedal free play .......... 8-47
Axle boots................................................. 8-49
Checking and lubricating the cables ........ 8-49
Checking and lubricating the front and rear brake levers ..................................... 8-50
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3-1
3
EBU17681
DESCRIPTION
EBU17691Left view
EBU17701Right view
1. Radiator cap
2. Battery
3. Fuses
4. Air filter case
5. Spark arrester
6. Engine oil dipstick
7. Oil filter cartridge
8. Coolant reservoir
5
1
2,3
4
6
7
8
1. Rear storage compartment
2. Fuel tank cap
3. Owner’s tool kit
4. Center storage compartment
5. Spark plug
6. Front shock absorber assembly spring preload adjusting ring
7. Brake pedal
8. V-belt case drain plug
9. Rear shock absorber assembly spring preload adjusting ring
5
1
6
9
2
3
4
78
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4-18
4immediately. If gasoline spills on your skin,
wash with soap and water. If gasoline spills on
your clothing, change your clothes.
NOTICEECB00071Use only unleaded gasoline. The use of leaded
gasoline will cause severe damage to internal
engine parts, such as the valves and piston
rings, as well as to the exhaust system. 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 gasoline of a
different brand. Use of unleaded fuel will extend
spark plug life and reduce maintenance costs.EBU34140SeatTo remove the seat
Pull up the seat at the rear, and then pull the seat
rearward. To install the seat
Insert the projections on the front of the seat into
the seat holders and push down on the seat at the
rear. Make sure that the seat is securely fitted.
1. Seat
1
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8-3
8
EBU21745Periodic maintenance chart for the emission control systemTIPFor ATVs not equipped with an odometer or an hour meter, follow the month maintenance intervals.
For ATVs equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance inter-
vals. However, keep in mind that if the ATV isn’t used for a long period of time, the month maintenance
intervals should still be followed.
Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools,
data and technical skills. 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 80 160 160 320
1 *Fuel line • Check fuel hoses for cracks or other damage, and
replace if necessary. √√√
2Spark plug • Check condition and clean, regap, or replace if
necessary. √√√√√
3 *Va l v e s • Check valve clearance and adjust if necessary. Every 2500 km (1600 mi) for the first
7500 km (4800 mi).
Every 5000 km (3200 mi) thereafter.
4 *Crankcase breath-
er system • Check breather hose for cracks or other damage,
and replace if necessary. √√√
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8-18
8
EBU34190Checking 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 plug1. Remove panels A and C. (See page 8-10.)
2. Remove the storage compartment by remov- ing the bolt. 3. Remove the spark plug cap.
Tightening torques:
Panel bolt:4.0 Nm (0.40 m·kgf, 2.9 ft·lbf)
Footboard nut: 4.0 Nm (0.40 m·kgf, 2.9 ft·lbf)
1. Storage compartment
2. Bolt
1. Spark plug cap2 1
1
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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
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8-20
8To install the spark plug
1. Clean the surface of the spark plug gasket and its mating surface, and then wipe off any
grime from the spark plug threads.
2. Install the spark plug with the spark plug wrench, and then tighten it to the specified
torque.
TIPIf a torque wrench is not available when installing
the spark plug, a good estimate of the correct
torque is 1/4–1/2 turn past finger tight. However,
the spark plug should be tightened to the speci-
fied torque as soon as possible. 3. Install the spark plug cap.
4. Install the storage compartment as shown,and then install the bolt.
5. Install the panels.
1. Spark plug gapSpark plug gap: 0.8–0.9 mm (0.031–0.035 in)
Tightening torque:Spark plug:11 Nm (1.1 m·kgf, 8.0 ft·lbf)
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8-42
8
WARNING
EWB02341Do not start the engine when cleaning the
spark arrester, otherwise it could cause injury
to the eyes, burns, carbon monoxide poison-
ing, possibly leading to death, and start a fire.
Always let the exhaust system cool prior to
touching exhaust components. EBU23932V-belt case drain plugAfter riding in water deep enough to allow it to en-
ter the V-belt case, remove the V-belt case drain
plug to drain the water from the case.TIPIf water drains from the V-belt case after removing
the plug, have a Yamaha dealer check the ATV as
the water may affect other engine parts.
EBU29703Adjusting the throttle lever free playThe throttle lever free play should be checked and,
if necessary, adjusted at the intervals specified in
the periodic maintenance and lubrication chart.
The throttle lever free play should measure 3.0–5.0
mm (0.12–0.20 in) as shown. Periodically check
the throttle lever free play and, if necessary, adjust
it as follows.1. Slide the rubber cover back.
2. Loosen the locknut.1. V-belt case drain plug
1
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