Page 80 of 130
8-12
1
2
3
4
5
6
78
9
10
11
NOTICE
ECB00330
Do not use oils with a diesel specification of
“CD” or oils of a higher quality than speci-
fied. In addition, do not use oils labeled “EN-
ERGY CONSERVING II” or higher.
Make sure that no foreign material enters the
crankcase.
9. 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.
10. Turn the engine off, wait at least ten minutes,
and then check the oil level and correct it if
necessary.
EBU27023
Transmission oil
The transmission oil level should be checked be-
fore each ride. In addition, the transmission oil
must be changed at the intervals specified in the Recommended oil:
See page 10-1.
Oil quantity:
1.25 L (1.32 US qt, 1.10 Imp.qt)
1. “CD” specification
2. “ENERGY CONSERVING II”
1
2
Page 81 of 130
8-13
1
2
3
4
5
6
78
9
10
11
periodic maintenance and lubrication chart.
To check the transmission oil level
1. Place the ATV on a level surface.
2. Start the engine, warm it up for several min-
utes, and then turn it off.
3. Wait a few minutes until the oil settles, and
then remove the screw located at the right
side of the crankcase.
4. Check the transmission oil level.
TIP
The transmission oil should be at the brim of the
hole.
5. If the transmission oil level is below the brim of
the hole, remove the oil filler bolt, add suffi-
cient oil of the recommended type to raise it to
the correct level, and then install and tighten
the screw and the oil filler bolt.
1. Screw
2. Transmission oil level check window
3. Correct oil level
1 32
1. Transmission oil filler bolt
1
Page 82 of 130

8-14
1
2
3
4
5
6
78
9
10
11
To change the transmission oil
1. Place the ATV on a level surface.
2. Start the engine, warm it up for several min-
utes, and then turn it off.
3. Place an oil pan under the transmission to col-
lect the used oil.
4. Remove the oil filler bolt and the drain bolt to
drain the oil from the transmission case.5. Install the drain bolt, and then tighten it to the
specified torque.
6. Refill with the specified amount of the recom-
mended transmission oil, and then install and
tighten the oil filler bolt.
NOTICE
ECB00790
Make sure that no foreign material enters the
transmission case.
Make sure that no oil gets on the tires or
wheels.
7. Start the engine, and then let it idle for several Tightening torque:
Screw:
16 Nm (1.6 m·kgf, 11.6 ft·lbf)
Oil filler bolt:
23 Nm (2.3 m·kgf, 16.6 ft·lbf)
1. Transmission oil drain bolt
1
Tightening torque:
Transmission oil drain bolt:
23 Nm (2.3 m·kgf, 16.6 ft·lbf)
Recommended transmission oil:
See page 10-1.
Oil quantity:
0.6 L (0.63 US qt, 0.53 Imp.qt)
Tightening torque:
Oil filler bolt:
23 Nm (2.3 m·kgf, 16.6 ft·lbf)
Page 83 of 130
8-15
1
2
3
4
5
6
78
9
10
11
minutes while checking the transmission for
oil leakage. If oil is leaking, immediately turn
off the engine and check for the cause.
8. Turn the engine off, and then check the oil lev-
el and correct it if necessary.
EBU23841
Cleaning the engine and V-belt case air
filter elements
Both air filter elements should be cleaned at the
specified intervals in the periodic maintenance
chart.
Engine air filter element
TIP
There is a check hose at the bottom of the air filter
case. If dust or water collects in this hose, empty
the hose and clean the air filter element and air fil-
ter case.1. Remove the seat. (See page 4-9.)
2. Remove the breather hose, and then loosen
the clamp screw.
1. Check hose
1
Page 85 of 130
8-17
1
2
3
4
5
6
78
9
10
11
6. Wash the sponge material gently but thor-
oughly in solvent.
WARNING
EWB01940
Always use parts cleaning solvent to clean the
sponge material. Never use low-flash-point
solvents or gasoline to clean the sponge mate-
rial because the engine could catch fire or ex-
plode.
7. Squeeze the excess solvent out of the spongematerial and let it dry.
NOTICE
ECB00440
Do not twist the sponge material when squeez-
ing it.
8. Check the sponge material and replace it if
damaged.
9. Apply a quality foam air filter oil to the sponge
material.
TIP
The sponge material should be wet but not drip-
ping.
10. Pull the sponge material over the air filter ele-
1. Bolt
2. Washer
3. Sponge material
4. Air filter element frame
3 4
21
Page 103 of 130

8-35
1
2
3
4
5
6
78
9
10
11
NOTICE
ECB00560
The drive chain must be lubricated after wash-
ing the ATV or riding in the rain.
1. Clean the drive chain with kerosene and a
small soft brush.
NOTICE
ECB00570
To prevent damaging the O-rings, do not clean
the drive chain with steam cleaners, high-pres-
sure washers or inappropriate solvents.
2. Wipe the drive chain dry.3. Thoroughly lubricate the drive chain with a
special O-ring chain lubricant.NOTICE
ECB00580
Do not use engine oil or any other lubricants
for the drive chain, as they may contain sub-
stances that could damage the O-rings.
EBU24900
Checking and lubricating the cables
The operation and the condition of all control ca-
bles should be checked before each ride, and the
cables and cable ends should be lubricated if nec-
essary. If a cable is damaged or does not move
smoothly, have a Yamaha dealer check or replace
it.WARNING
EWB02130
Inspect cables frequently and replace if dam-
aged. Corrosion can result when the cable
sheaths become damaged, and cables can
also become frayed or kinked, which could re-
strict the operation of controls and lead to an
1. O-ring
1
Recommended lubricant:
Engine oil
Page 118 of 130

9-2
1
2
3
4
5
6
7
89
10
11
increasing the chance of an accident. Test the
brakes after washing. Apply the brakes several
times at slow speeds to let friction dry out the
linings.
EBU25932
Storage
Short-term
Always store your ATV in a cool, dry place and, if
necessary, protect it against dust with a porous
cover.
NOTICE
ECB00720
Storing the ATV in a poorly ventilated room
or covering it with a tarp while it is still wet,
will allow water and humidity to seep in and
cause rust.
To prevent corrosion, avoid damp cellars,
stables (because of the presence of ammo-
nia) and areas where strong chemicals are
stored.
Long-term
Before storing your ATV for several months:
1. Follow all the instructions in the “Cleaning”section of this chapter.
2. Turn the fuel cock lever to “OFF”.
3. Drain the carburetor float chamber by loosen-
ing the drain bolt; this will prevent fuel deposits
from building up. Pour the drained fuel into the
fuel tank.
4. Fill up the fuel tank and add fuel stabilizer (if
available) to prevent the fuel from deteriorat-
ing.
5. Perform the following steps to protect the cyl-
inder, piston rings, etc. from corrosion.
a. Remove the spark plug cap and spark
plug.
b. Pour a teaspoonful of engine oil into the
spark plug bore.
c. Install the spark plug cap onto the spark
plug, and then place the spark plug on the
cylinder head so that the electrodes are
grounded. (This will limit sparking during
the next step.)
d. Turn the engine over several times with
the starter. (This will coat the cylinder wall Specified amount:
7.5 ml of stabilizer to each liter of fuel (or 1 oz
of stabilizer to each gallon of fuel)
Page 120 of 130
10-1
1
2
3
4
5
6
7
8
910
11
EBU25960
SPECIFICATIONS
EBU2597B
Dimensions:
Overall length:
1700 mm (66.9 in)
Overall width:
990 mm (39.0 in)
Overall height:
980 mm (38.6 in)
Seat height:
685 mm (27.0 in)
Wheelbase:
1080 mm (42.5 in)
Ground clearance:
145 mm (5.7 in)
Minimum turning radius:
2900 mm (114 in)
Weight:
With oil and fuel:
152.0 kg (335 lb)
Noise and vibration level:
Noise level (77/311/EEC):
75.1 dB(A) (EUR)
Vibration on seat (EN1032, ISO5008):
Will not exceed 0.5 m/s
2
(EUR)
Vibration on handlebar (EN1032, ISO5008):
Will not exceed 2.5 m/s
2
(EUR)
Engine:
Engine type:
Air cooled 4-stroke, SOHC
Cylinder arrangement:
Forward-inclined single cylinder
Displacement:
124.0 cm
3
Bore
×
stroke:
49.0
×
66.0 mm (1.93
×
2.60 in)
Compression ratio:
9.00 :1
Starting system:
Electric starter
Lubrication system:
Wet sump
Engine oil:
Type:
SAE 5W-30 or SAE 10W-30 or SAE 10W-40 or SAE
15W-40 or SAE 20W-40 or SAE 20W-50