INSTRUMENT AND CONTROL FUNCTIONS
3-7
3
NOTICE
ECA10701
Use only unleaded gasoline. The use
of leaded gasoline will cause unre-
pairable damage to the catalytic
converter.
EAU13453
2-stroke engine oil Make sure that there is sufficient 2-
stroke engine oil in the oil tank. Add the
recommended 2-stroke engine oil as
necessary.NOTICE
ECA16670
Make sure that the 2-stroke engine
oil tank cap is properly installed.
EAU13590
Starter (choke) lever “ ” Starting a cold engine requires a richer
air-fuel mixture, which is supplied by
the starter (choke).
Move the lever in direction (a) to turn on
the starter (choke).
Move the lever in direction (b) to turn off
the starter (choke).
Recommended oil:
See page 8-1.
Oil quantity:
1.40 L (1.48 US qt, 1.23 Imp.qt)
1. Starter (choke) lever “ ”
1
(a)
(b)
ZAUM0309
U1S0E1E0.book Page 7 Wednesday, November 7, 2012 3:32 PM
FOR YOUR SAFETY – PRE-OPERATION CHECKS
4-1
4
EAU15597
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
EWA11151
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.3-5
2-stroke engine oil Check oil level in oil tank.
If necessary, add recommended oil to specified level.
Check vehicle for oil leakage.3-7
Final transmission oil Check vehicle for oil leakage. 6-8
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.6-14, 6-14
Rear brake Check operation.
Lubricate cable if necessary.
Check lever free play.
Adjust if necessary.6-13, 6-14
U1S0E1E0.book Page 1 Wednesday, November 7, 2012 3:32 PM
PERIODIC MAINTENANCE AND ADJUSTMENT
6-8
6
EAU20066
Final transmission oil The final transmission case must be
checked for oil leakage before each
ride. If any leakage is found, have a
Yamaha dealer check and repair the
scooter. In addition, the final transmis-
sion oil must be changed as follows at
the intervals specified in the periodic
maintenance and lubrication chart.
1. Start the engine, warm up the final
transmission oil by riding the
scooter for several minutes, and
then stop the engine.
2. Place the scooter on the center-
stand.
3. Place an oil pan under the final
transmission case to collect the
used oil.
4. Remove the final transmission oil
filler cap and its O-ring from the fi-
nal transmission case.5. Remove the final transmission oil
drain bolt and its gasket to drain
the oil from the final transmission
case.
6. Install the final transmission oil
drain bolt and its new gasket, and
then tighten the bolt to the speci-
fied torque.
7. Refill with the specified amount of
the recommended final transmis-
sion oil. WARNING! Make sure
that no foreign material entersthe final transmission case.
Make sure that no oil gets on the
tire or wheel.
[EWA11311]
8. Install the final transmission oil fill-
er cap and its new O-ring, and then
tighten the oil filler cap.
9. Check the final transmission case
for oil leakage. If oil is leaking,
check for the cause.
1. Final transmission oil drain bolt
2. Final transmission oil filler capTightening torque:
Final transmission oil drain bolt:
17 Nm (1.7 m·kgf, 12 ft·lbf)12
ZAUM0153
Recommended final transmission
oil:
See page 8-1.
Oil quantity:
0.11 L (0.12 US qt, 0.10 Imp.qt)
U1S0E1E0.book Page 8 Wednesday, November 7, 2012 3:32 PM
PERIODIC MAINTENANCE AND ADJUSTMENT
6-9
6
EAUM1642
Cleaning the air filter element The air filter element should be cleaned
at the intervals specified in the periodic
maintenance and lubrication chart.
Clean the air filter element more fre-
quently if you are riding in unusually
wet or dusty areas.
1. Remove the air filter case cover by
removing the screws.
2. Pull the air filter element out, clean
it with solvent, and then squeeze
the remaining solvent out.
WARNING! Use only a dedicat-
ed parts cleaning solvent. To
avoid the risk of fire or explo-
sion, do not use gasoline or sol-
vents with a low flash point.
[EWA10431]
NOTICE: To avoid dam-
aging the foam material, handle
it gently and carefully, and do
not twist or wring it.
[ECA10511]
3. Apply oil of the recommended type
to the entire surface of the ele-
ment, and then squeeze the ex-
cess oil out.
TIPThe air filter element should be wet but
not dripping.4. Insert the element into the air filter
case. NOTICE: Make sure that
the air filter element is properly
seated in the air filter case. The
engine should never be operat-
ed without the air filter element
installed, otherwise the pis-
ton(s) and/or cylinder(s) may
become excessively worn.
[ECA10481]
5. Install the air filter case cover by in-
stalling the screws.
1. Air filter case cover
1
ZAUM0567
1. Air filter element
1
ZAUM03181
4 32ZAUM0156
Recommended oil:
Foam air filter oil
U1S0E1E0.book Page 9 Wednesday, November 7, 2012 3:32 PM
PERIODIC MAINTENANCE AND ADJUSTMENT
6-16
6
EAU50800
Checking and lubricating the
cables The operation of all control cables and
the condition of the cables should be
checked before each ride, and the ca-
bles and cable ends should be lubricat-
ed if necessary. If a cable is damaged
or does not move smoothly, have a
Yamaha dealer check or replace it.
WARNING! Damage to the outer
housing of cables may result in in-
ternal rusting and cause interfer-
ence with cable movement. Replace
damaged cables as soon as possi-
ble to prevent unsafe conditions.[EWA10711]EAU23114
Checking and lubricating the
throttle grip and cable The operation of the throttle grip should
be checked before each ride. In addi-
tion, the cable should be lubricated by a
Yamaha dealer at the intervals speci-
fied in the periodic maintenance chart.
The throttle cable is equipped with a
rubber cover. Make sure that the cover
is securely installed. Even though the
cover is installed correctly, it does not
completely protect the cable from water
entry. Therefore, use care not to pour
water directly onto the cover or cable
when washing the vehicle. If the cable
or cover becomes dirty, wipe clean with
a moist cloth.
EAU43642
Lubricating the front and rear
brake levers The pivoting points of the front and rear
brake levers must be lubricated at the
intervals specified in the periodic main-
tenance and lubrication chart.
Front brake lever
Rear brake lever
Recommended lubricant:
Yamaha Chain and Cable Lube or 4-
stroke engine oil
U1S0E1E0.book Page 16 Wednesday, November 7, 2012 3:32 PM
SPECIFICATIONS
8-1
8
Dimensions:Overall length:
1785 mm (70.3 in)
Overall width:
711 mm (28.0 in)
Overall height:
1077 mm (42.4 in)
Seat height:
787 mm (31.0 in)
Wheelbase:
1202 mm (47.3 in)
Ground clearance:
185 mm (7.28 in)
Minimum turning radius:
1800 mm (70.9 in)Weight:Curb weight:
81 kg (179 lb)Engine:Engine type:
Air cooled 2-stroke
Cylinder arrangement:
Single cylinder
Displacement:
49 cm³
Bore × stroke:
40.0 × 39.2 mm (1.57 × 1.54 in)
Compression ratio:
7.20 : 1
Starting system:
Electric starter and kickstarter
Lubrication system:
Separate lubrication (Yamaha autolube)
Engine oil:Type:
YAMALUBE 2S or 2-stroke engine oil
(JASO FC grade) or (ISO EG-C or EG-D
grade)
Engine oil quantity:
Quantity:
1.40 L (1.48 US qt, 1.23 Imp.qt)Final transmission oil:Type:
SAE 10W-30 type SE motor oil
Quantity:
0.11 L (0.12 US qt, 0.10 Imp.qt)Air filter:Air filter element:
Wet elementFuel:Recommended fuel:
Premium unleaded gasoline only
Fuel tank capacity:
6.5 L (1.72 US gal, 1.43 Imp.gal)
Fuel reserve amount:
2.9 L (0.77 US gal, 0.64 Imp.gal)Carburetor:Manufacturer:
DELLORTO
Type × quantity:
PHBN12 x 1Spark plug(s):Manufacturer/model:
NGK/BR8HS
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)
Clutch:Clutch type:
Dry, centrifugal automaticTransmission:Primary reduction ratio:
1.000
Final drive:
Gear
Secondary reduction ratio:
12.923 (52/13 x 42/13)
Transmission type:
V-belt automaticChassis:Frame type:
Underbone
Caster angle:
27.00 °
Trail:
90 mm (3.5 in)Front tire:Type:
Tubeless
Size:
120/70-12
Manufacturer/model:
PIRELLI / EVO21 (51L)Rear tire:Type:
Tubeless
Size:
130/70-12
Manufacturer/model:
PIRELLI / EVO22 (56L)
U1S0E1E0.book Page 1 Wednesday, November 7, 2012 3:32 PM