Page 115 of 172
8-24
8
To change the engine oil (with or without oil fil-
ter cartridge replacement)
1. Place the ATV on a level surface.
2. Remove the access cover by turning it coun- terclockwise.
3. Place an oil pan under the engine to collect the used oil.
4. Remove the dipstick, and then remove the engine oil drain bolt and its gasket to drain the
oil from the crankcase.
TIPSkip steps 5–9 if the oil filter cartridge is not being
replaced. 5. Remove panel F. (See page 8-10.)
6. Remove the oil filter cartridge with an oil filterwrench.TIPAn oil filter wrench is available at a nearby Yamaha
dealer. 7. Apply a thin coat of engine oil to the O-ring ofthe new oil filter cartridge.
1. Engine oil drain bolt
2. Gasket
12
1. Oil filter cartridge
2. Oil filter wrench
UB3860E0.book  Page 24  Monday, July 14, 2014  10:34 AM 
         
        
        
     
        
        Page 117 of 172

8-26
8
11. Refill with the specified amount of the recom-
mended engine oil, and then insert the dip-
stick completely into the oil filler hole.
TIPBe sure to wipe off spilled oil on any parts after the
engine and exhaust system have cooled down. NOTICEECB00301In order to prevent clutch slippage (since the
engine oil also lubricates the clutch), do not
mix any chemical additives. Do not use oils
with a diesel specification of “CD” or oils of
a higher quality than specified. In addition,
do not use oils labeled “ENERGY CONSERV-
ING II” or higher. 
Make sure that no foreign material enters the
crankcase.
 12. Start the engine, and then let it idle for several
minutes while checking it for oil leakage. If oil
is leaking, immediately turn the engine off and
check for the cause.
13. Turn the engine off, wait at least ten minutes, and then check the oil level and correct it if
necessary.
14. Install the access cover by turning it clock- wise.EBU27307Final gear oilThe final gear case must be checked for oil leak-
age before each ride. If any leakage is found, have
a Yamaha dealer check and repair the ATV. In ad-
dition, the final gear oil level must be checked and
the oil changed as follows at the intervals speci-
fied in the periodic maintenance and lubrication
chart.
To check the final gear oil level1. Place the ATV on a level surface.
Recommended oil:
See page 10-1.
Oil quantity: Without oil filter cartridge replacement:2.00 L (2.11 US qt, 1.76 Imp.qt)
With oil filter cartridge replacement: 2.10 L (2.22 US qt, 1.85 Imp.qt)
UB3860E0.book  Page 26  Monday, July 14, 2014  10:34 AM 
         
        
        
     
        
        Page 154 of 172
8-63
8To raise a headlight beam, turn the headlight
beam adjusting screw in direction (a).
To lower a headlight beam, turn the adjusting
screw in direction (b).
EBU25643Replacing the tail/brake light bulbIf the tail/brake light bulb burns out, replace it as
follows.
1. Remove panel H. (See page 8-10.)
2. Remove the tail/brake light bulb holder (to- gether with the bulb) by turning it counter-
clockwise. 3. Remove the burnt-out bulb by pushing it in
and turning it counterclockwise.1. Headlight beam adjusting screw
1. Tail/brake light bulb holder
1. Tail/brake light bulb
UB3860E0.book  Page 63  Monday, July 14, 2014  10:34 AM 
         
        
        
     
        
        Page 155 of 172
8-64
8
4. Insert a new bulb into the bulb holder, push it
in, and then turn it clockwise until it stops.
5. Install the bulb holder (together with the bulb) by turning it clockwise.
6. Install the panel.
EBU25652Removing a wheel1. Place the ATV on a level surface.
2. Loosen the wheel nuts.
3. Elevate the ATV and place a suitable stand under the frame.
4. Remove the nuts from the wheel.
5. Remove the wheel.
EBU25702Installing a wheel1. Place the ATV on a level surface.
2. Install the wheel and the nuts.TIP The arrow mark   on the tire must point to-
ward the rotating direction of the wheel.
 Tapered nuts are used for both the front and
rear wheels. Install the nuts with their tapered
side towards the wheel. 
1. Wheel nut
1. Arrow mark
1
UB3860E0.book  Page 64  Monday, July 14, 2014  10:34 AM