
Instrument and control functions
3-4
3
NOTICE
ECA21211
If the warning light comes on when
the engine is running, stop the en-
gine and check the oil level. If the oil
level is low, add sufficient oil of the
recommended type. If the warning
light remains on after adding oil,
stop the engine and have a Yamaha
dealer check the vehicle.
EAU11449
Coolant temperature warning
light “ ”
This warning light comes on when the
engine is overheating. If this occurs,
stop the engine immediately and allow
the engine to cool. (See page 6-37.)
For vehicles with a radiator fan, the ra-
diator fan(s) automatically switch on or
off according to the coolant tempera-
ture.TIPWhen the vehicle is turned on, the light
will come on for a few seconds, and
then go off. If the light does not come
on, or if the light remains on, have a
Yamaha dealer check the vehicle.
NOTICE
ECA10022
Do not continue to operate the en-
gine if it is overheating.
EAU73172
Engine trouble warning light “ ”
This warning light comes on if a prob-
lem is detected in the engine or other
vehicle control system. If this occurs,
have a Yamaha dealer check the on-
board diagnostic system.TIPWhen the vehicle is turned on, the light
will come on for a few seconds and
then go off. If the light does not come
on, or if the light remains on, have a
Yamaha dealer check the vehicle.
EAU69895
ABS warning light “ ”
This warning light comes on when the
vehicle is first turned on, and goes off
after starting riding. If the warning light
comes on while riding, the anti-lock
brake system may not work correctly.
WARNING
EWA16043
If the ABS warning light does not
turn off after reaching 10 km/h (6
mi/h), or if the warning light comes
on while riding:
Use extra caution to avoid pos-
sible wheel lock during emer-
gency braking.
Have a Yamaha dealer check
the vehicle as soon as possible.
EAUM4080
ABS warning light “ ”
This warning light comes on when the
anti-lock brake system has been man-
ually disabled, the “OFF-ROAD” indi-
cator comes on at the same time.
WARNING
EWAM1050
Always ride on paved roads with the
ABS turned on. Riding on public
roads with the ABS disabled may be
illegal and void your insurance. Turn
the ABS off only when riding on non-
paved surfaces.
ABS
ABS
UBW3E0E0.book Page 4 Friday, May 24, 2019 11:01 AM

For your safety – pre-operation checks
4-1
4
EAU15599
Inspect your vehicle each time you use it to make sure the vehicle is in safe operating condition. Always follow the inspection
and maintenance procedures and schedules described in the Owner’s Manual.
WARNING
EWA11152
Failure to inspect or maintain the vehicle properly increases the possibility of an accident or equipment damage.
Do not operate the vehicle if you find any problem. If a problem cannot be corrected by the procedures provided in
this manual, have the vehicle inspected by a Yamaha dealer.Before using this vehicle, check the following points:
ITEM CHECKS PAGE
Fuel• Check fuel level in fuel tank.
• Refuel if necessary.
• Check fuel line for leakage.
• Check fuel tank breather/overflow hose for obstructions, cracks or damage, and
check hose connection.3-17, 3-19
Engine oil• Check oil level in engine.
• If necessary, add recommended oil to specified level.
• Check vehicle for oil leakage.6-11
Coolant• Check coolant level in reservoir.
• If necessary, add recommended coolant to specified level.
• Check cooling system for leakage.6-14
Front brake• Check operation.
• If soft or spongy, have Yamaha dealer bleed hydraulic system.
• Check brake pads for wear.
• Replace if necessary.
• Check fluid level in reservoir.
• If necessary, add specified brake fluid to specified level.
• Check hydraulic system for leakage.6-21, 6-22
UBW3E0E0.book Page 1 Friday, May 24, 2019 11:01 AM

Periodic maintenance and adjustment
6-11
6
EAUM4151
Engine oil and oil filter car-
tridgeThe engine oil level should be checked
before each ride. In addition, the oil
must be changed and the oil filter car-
tridge replaced at the intervals speci-
fied in the periodic maintenance chart.
To check the engine oil level
1. Place the vehicle on a level sur-
face and hold it in an upright posi-
tion. A slight tilt to the side can
result in a false reading.
2. Start the engine, warm it up for
several minutes, and then turn it
off.
3. Wait a few minutes for the oil level
to settle for an accurate reading,
and then check the oil level
through the engine oil level check
window.4. If the engine oil is below the mini-
mum level mark, add sufficient oil
of the recommended type to raise
it to the maximum level mark.
TIPCheck the O-ring for damage, and re-
place it if necessary.
To change the engine oil (and re-
place the filter)
1. Place the vehicle on a level sur-
face.
2. Remove cowling A. (See page
6-9.)
3. Start the engine, warm it up for
several minutes, and then turn it
off.
4. Place an oil pan under the engine
to collect the used oil.
5. Remove the engine oil filler cap,
the engine oil drain bolt and its
gasket to drain the oil from the
crankcase.
1. Engine oil filler cap
2. Engine oil level check window
3. Maximum level mark
4. Minimum level mark3
4
2
1
1. Engine oil filler cap
2. O-ring
21
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Periodic maintenance and adjustment
6-12
6
TIPSkip steps 5–7 if the oil filter cartridge
is not being replaced.6. Remove the oil filter cartridge with
an oil filter wrench.
TIPAn oil filter wrench is available at a
Yamaha dealer.7. Apply a thin coat of clean engine
oil to the O-ring of the new oil filter
cartridge.TIPMake sure that the O-ring is properly
seated.8. Install the new oil filter cartridge
with an oil filter wrench, and then
tighten it to the specified torque
with a torque wrench.9. Install the engine oil drain bolt and
its new gasket, and then tighten
the bolt to the specified torque.
10. Refill with the specified amount of
the recommended engine oil.
1. Engine oil drain bolt
2. Gasket
1. Oil filter cartridge
2. Oil filter wrench
12
1
2
1. O-ring
1. Torque wrench
Tightening torque:
Oil filter cartridge:
17 N·m (1.7 kgf·m, 13 lb·ft)
Tightening torque:
Engine oil drain bolt:
43 N·m (4.3 kgf·m, 32 lb·ft)
1
UBW3E0E0.book Page 12 Friday, May 24, 2019 11:01 AM

Periodic maintenance and adjustment
6-13
6
TIPBe sure to wipe off spilled oil on any
parts after the engine and exhaust sys-
tem have cooled down.NOTICE
ECA11621
In order to prevent clutch slip-
page (since the engine oil also
lubricates the clutch), do not
mix any chemical additives. Do
not use oils with a diesel speci-
fication of “CD” or oils of a high-
er quality than specified. In
addition, do not use oils labeled
“ENERGY CONSERVING II” or
higher.
Make sure that no foreign mate-
rial enters the crankcase.
11. Check the O-ring for damage, and
replace it if necessary.
12. Install and tighten the engine oil
filler cap.
13. Install the cowling A.
14. 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.TIPAfter the engine is started, the engine
oil pressure warning light should go off.
NOTICE
ECA20860
If the oil pressure warning light flick-
ers or remains on even if the oil level
is correct, immediately turn the en-
gine off and have a Yamaha dealer
check the vehicle.15. Turn the engine off, wait a few
minutes for the oil level to settle for
an accurate reading, and then
check the oil level and correct it if
necessary.
Recommended engine oil:
See page 8-1.
Oil quantity:
Without oil filter cartridge replace-
ment:
2.30 L (2.43 US qt, 2.02 Imp.qt)
With oil filter cartridge replacement:
2.60 L (2.75 US qt, 2.29 Imp.qt)
1. Engine oil filler cap
2. O-ring
21
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Periodic maintenance and adjustment
6-14
6
EAU85450
Why YamalubeYAMALUBE oil is a Genuine YAMAHA
Part born of the engineers’ passion
and belief that engine oil is an impor-
tant liquid engine component. We form
teams of specialists in the fields of me-
chanical engineering, chemistry, elec-
tronics and track testing, and have
them develop the engine together with
the oil it will use. Yamalube oils take full
advantage of the base oil’s qualities
and blend in the ideal balance of addi-
tives to make sure the final oil clears
our performance standards. Thus,
Yamalube mineral, semisynthetic and
synthetic oils have their own distinct
characters and value. Yamaha’s expe-
rience gained over many years of re-
search and development into oil since
the 1960’s helps make Yamalube the
best choice for your Yamaha engine.
EAUS1203
CoolantThe coolant level should be checked
regularly. In addition, the coolant must
be changed at the intervals specified in
the periodic maintenance chart.TIPIf genuine Yamaha coolant is not avail-
able, use an ethylene glycol antifreeze
containing corrosion inhibitors for alu-
minum engines and mix with distilled
water at a 1:1 ratio.
EAU20097
To check the coolant level
Since the coolant level varies with en-
gine temperature, check when the en-
gine is cold.
1. Park the vehicle on a level surface.2. With the vehicle in an upright posi-
tion, look at the coolant level in the
reservoir.
3. If the coolant is at or below the
minimum level mark, remove the
coolant reservoir cap. WARNING!
Remove only the coolant reser-
voir cap. Never attempt to re-
move the radiator cap when the
engine is hot.
[EWA15162]
Recommended coolant:
YAMALUBE coolant
Coolant quantity:
Coolant reservoir (max level mark):
0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator (including all routes):
1.60 L (1.69 US qt, 1.41 Imp.qt)
1. Coolant reservoir
2. Maximum level mark
3. Minimum level mark
LF
231
UBW3E0E0.book Page 14 Friday, May 24, 2019 11:01 AM

Specifications
8-1
8
Dimensions:Overall length:
2370 mm (93.3 in)
Overall width:
905 mm (35.6 in)
Overall height:
1455 mm (57.3 in)
Seat height:
875 mm (34.4 in)
Wheelbase:
1595 mm (62.8 in)
Ground clearance:
240 mm (9.45 in)
Minimum turning radius:
2.8 m (9.47 ft)Weight:Curb weight:
204 kg (450 lb)Engine:Combustion cycle:
4-stroke
Cooling system:
Liquid cooled
Valve train:
DOHC
Cylinder arrangement:
Inline
Number of cylinders:
2-cylinder
Displacement:
689 cm³
Bore × stroke:
80.0 × 68.6 mm (3.15 × 2.70 in)Starting system:
Electric starter
Engine oil:Recommended brand:
SAE viscosity grades:
10W-40
Recommended engine oil grade:
API service SG type or higher, JASO
standard MA
Engine oil quantity:
Without oil filter cartridge replacement:
2.30 L (2.43 US qt, 2.02 Imp.qt)
With oil filter cartridge replacement:
2.60 L (2.75 US qt, 2.29 Imp.qt)Coolant quantity:Coolant reservoir (up to the maximum level
mark):
0.25 L (0.26 US qt, 0.22 Imp.qt)Radiator (including all routes):
1.60 L (1.69 US qt, 1.41 Imp.qt)
Fuel:Recommended fuel:
Unleaded gasoline (E10 acceptable)
Octane number (RON):
95
Fuel tank capacity:
16 L (4.2 US gal, 3.5 Imp.gal)
Fuel reserve amount:
4.3 L (1.14 US gal, 0.95 Imp.gal)Fuel injection:Throttle body:
ID mark:
1WS1 10Drivetrain:Gear ratio:
1st:
2.846 (37/13)
2nd:
2.125 (34/16)
3rd:
1.632 (31/19)
4th:
1.300 (26/20)
5th:
1.091 (24/22)
6th:
0.964 (27/28)Front tire:Type:
With tube
Size:
90/90 - 21 M/C 54V M+S
–20 –10 0
1020 30 40 50 C 10 30 50 70 90 110 0 130 F
SAE 10W-40
UBW3E0E0.book Page 1 Friday, May 24, 2019 11:01 AM