
Table of contents
Location of important la bels ........... 1-1
Safety information ............................ 2-1
Description ....................................... 3-1
Left view ......................................... 3-1
Right view ....................................... 3-2
Controls and instruments ............... 3-3
Instrument an d control functions ... 4-1
Handlebar switch............................ 4-1
Speed limiter and power reduction 
plate ............................................ 4-1
Front brake lever ............................ 4-2
Rear brake lever ............................. 4-3
Fuel tank cap .................................. 4-3
Fuel ................................................. 4-4
Fuel tank breather hose.................. 4-6
2-stroke engine oil .......................... 4-6
Fuel cock ........................................ 4-7
Starter (choke) lever ...................... 4-7
Kickstarter ...................................... 4-8
Seat ................................................ 4-8
Cable lock (for Europe) ................... 4-9
For your safety – pre-operation 
checks ............................................... 5-1
Operation an d important ri din g 
points ................................................ 6-1
Starting and warming up a cold  engine ......................................... 6-1
Starting a warm engine .................. 6-2
Starting off ...................................... 6-2
Acceleration and deceleration ........ 6-3
Braking ........................................... 6-3
Engine break-in .............................. 6-4
Parking ........................................... 6-4
Perio dic maintenance an d 
a d justment ........................................ 7-1
Owner’s tool kit .............................. 7-2
Periodic maintenance chart for the  emission control system ............. 7-3
General maintenance and 
lubrication chart .......................... 7-4 Checking the spark plug ................. 7-6
Removing the power reduction 
plate ............................................. 7-7
Transmission oil .............................. 7-8
Middle and final gear cases .......... 7-10
Cleaning the air filter element ....... 7-10
Cleaning the spark arrester ........... 7-11
Adjusting the carburetor ............... 7-12
Adjusting the engine idling  speed ......................................... 7-13
Checking the throttle grip free 
play ............................................ 7-14
Tires .............................................. 7-14
Panel wheels ................................. 7-16
Adjusting the front and rear brake  lever free play ............................ 7-17
Checking the front and rear brake 
shoes ......................................... 7-18
Checking and lubricating the  cables ........................................ 7-19
Checking and lubricating the  throttle grip and cable ............... 7-19
Adjusting the Autolube pump ....... 7-20
Lubricating the front and rear 
brake levers ............................... 7-20
Checking and lubricating the 
centerstand ................................ 7-21
Checking the front fork ................. 7-21
Checking the steering ................... 7-22
Checking the wheel bearings ........ 7-22
Front wheel ................................... 7-23
Rear wheel .................................... 7-24
Troubleshooting ............................ 7-27
Troubleshooting chart ................... 7-28
Motorcycle care an d stora ge .......... 8-1
Matte color caution ......................... 8-1
Care................................................. 8-1
Storage............................................ 8-3
Specifications ................................... 9-1
Consumer information ................... 10-1
Identification numbers .................. 10-1
In dex .
............................................... 11-1
U2SA83E0.book  Page 1  Monday, July 11, 2016  2:35 PM 

Periodic maintenance an d a djustment
7-5
7TIP
The air filter needs more frequent service if you are riding in unusually wet or dusty
areas.
11 *Front and rear brake 
lever pivot  Apply lithium-soap-based grease 
lightly.
12 *Centerstand pivot  Check operation.
13
*Shock absorber 
assemblies  Check operation and for oil leakage.
14
*Control cables  Apply Yamaha cable lubricant or other 
suitable cable lubricant.
15 *Throttle grip  Check operation.
 Check throttle grip free play, and 
adjust if necessary.
 Apply Yamaha cable lubricant or other  suitable cable lubricant.
 Replace if necessary.  Apply lithium-soap-based grease 
lightly.
NO. ITEM CHECK OR MAINTENANCE JOB
1 month3 months
6 months
6 months12 months
√√√ √
√√√ √√√
√
√√
√
√
√√
THEREAFTER 
EVERYINITIAL
U2SA83E0.book  Page 5  Monday, July 11, 2016  2:35 PM 

Periodic maintenance an d a djustment
7-11
7 4. Apply oil of the recommended
type to the entire surface of the
sponge material, and then
squeeze the excess oil out.
TIP
The sponge material should be wet but
not dripping.
5. Insert the sponge material into theair filter case.  NOTICE: Make
sure that the spon ge material is
properly seate d in the air filter
case. The en gine shoul d never
b e operated  without the spon ge
material installe d, otherwise the
piston(s) an d/or cylin der(s) may
b ecome excessively worn.
[ECA15622]
6. Install the air filter case cover by
installing the screw.
7. Install the seat.
EAU41222
Cleanin g the spark arrester
The spark arrester should be cleaned
at the intervals specified in the periodic
maintenance and lubrication chart.
WARNING
EWA10981
 Always let the exhaust system
cool prior to touchin g exhaust
components.
 Do not start the en gine when
cleanin g the exhaust system.
1. Remove the tailpipe by removing
the screw, and then pulling it out
of the muffler.
2. Tap the tailpipe lightly, and then use a wire brush to remove any
carbon deposits from the spark
arrester portion of the tailpipe and
inside of the tailpipe housing.
Recommen ded  oil:
Yamaha foam air filter oil or other 
quality foam air filter oil
1. Tailpipe
2. Screw
3. Muffler
1
2
3
U2SA83E0.book  Page 11  Monday, July 11, 2016  2:35 PM 

Specifications
9-1
9
Dimensions:
Overall length:1245 mm (49.0 in)
Overall width:
610 mm (24.0 in)
Overall height: 705 mm (27.8 in)
Seat height: 475 mm (18.7 in)
Wheelbase:
855 mm (33.7 in)
Ground clearance: 95 mm (3.74 in)
Minimum turning radius: 1.3 m (4.27 ft)
Wei ght:
Curb weight:
41 kg (90 lb)
Maximum rider weight: 25.0 kg (55 lb)
Technical permissible mass (Maximum load + 
Curb weight): 66 kg (146 lb)
Noise an d vi bration level:
Noise level (77/311/EEC):
75.1 dB(A) at 2750 r/min 
(PW50_AUT/BEL/CHE/CYP/CZE/DEU/DN
K/ESP/FIN/FRA/GBR/GRC/IRL/ITA/NLD/
NOR/POL/PRT/SVK/SVN/SWE/TUR)
Uncertainty of measurement: 3.0 dB(A) 
(PW50_AUT/BEL/CHE/CYP/CZE/DEU/DN
K/ESP/FIN/FRA/GBR/GRC/IRL/ITA/NLD/
NOR/POL/PRT/SVK/SVN/SWE/TUR)
Vibration on seat (EN1032, ISO5008): Will not exceed 0.5 m/s² 
(PW50_AUT/BEL/CHE/CYP/CZE/DEU/DN
K/ESP/FIN/FRA/GBR/GRC/IRL/ITA/NLD/
NOR/POL/PRT/SVK/SVN/SWE/TUR)
Uncertainty of measurement:
0.1 m/s² 
(PW50_AUT/BEL/CHE/CYP/CZE/DEU/DN
K/ESP/FIN/FRA/GBR/GRC/IRL/ITA/NLD/
NOR/POL/PRT/SVK/SVN/SWE/TUR)
Vibration on handlebar (EN1032, ISO5008): Will not exceed 2.5 m/s² 
(PW50_AUT/BEL/CHE/CYP/CZE/DEU/DN
K/ESP/FIN/FRA/GBR/GRC/IRL/ITA/NLD/
NOR/POL/PRT/SVK/SVN/SWE/TUR) Uncertainty of measurement:
0.4 m/s² 
(PW50_AUT/BEL/CHE/CYP/CZE/DEU/DN
K/ESP/FIN/FRA/GBR/GRC/IRL/ITA/NLD/
NOR/POL/PRT/SVK/SVN/SWE/TUR)
Engine:
Combustion cycle:
2-stroke
Cooling system: Air cooled
Number of cylinders: Single cylinder
Displacement:
49 cm³
Bore  × stroke:
40.0  × 39.2 mm (1.57 ×  1.54 in)
Compression ratio: 6.0 : 1
Starting system: Kickstarter
Lubrication system:
Separate lubrication
Engine oil:
Engine oil:
YAMALUBE 2S or 2-stroke engine oil 
(JASO FC grade or ISO EG-C [or EG-D] 
grade)
Recommended brand: YAMALUBE
Engine oil quantity: Engine oil tank capacity: 0.30 L (0.32 US qt, 0.26 Imp.qt)
Transmission oil:
Type:
Motor oil SAE 10W-30 type SE or higher or 
Gear oil SAE 85W GL-3
Quantity:
0.30 L (0.32 US qt, 0.26 Imp.qt)
Air filter:
Air filter element:Wet element
Fuel:
Recommended fuel:Regular unleaded gasoline only
Fuel tank capacity: 2.0 L (0.5 US gal, 0.4 Imp.gal)
Car buretor:
Type  × quantity:
VM12SC  × 1
U2SA83E0.book  Page 1  Monday, July 11, 2016  2:35 PM 

11-1
11
Index
A
Acceleration and deceleration................ 6-3
Air filter element, cleaning .................... 7-10
Autolube pump, adjusting .................... 7-20
B
Brake lever, front .................................... 4-2
Brake lever, rear ..................................... 4-3
Brake levers, lubricating ....................... 7-20
Brake shoes, checking ......................... 7-18
Braking ................................................... 6-3
C
Cable lock (for Europe)........................... 4-9
Cables, checking and lubricating ......... 7-19
Carburetor, adjusting ........................... 7-12
Care ........................................................ 8-1
Centerstand, checking and 
lubricating .......................................... 7-21
E
Engine break-in ...................................... 6-4
Engine idling speed .............................. 7-13
Engine oil ................................................ 4-6
Engine serial number............................ 10-1
Engine, starting a warm ......................... 6-2
Engine stop switch ................................. 4-1
F
Front and rear brake lever free play, adjusting ............................................ 7-17
Front fork, checking ............................. 7-21
Fuel......................................................... 4-4
Fuel cock ................................................ 4-7
Fuel tank breather hose ......................... 4-6
Fuel tank cap.......................................... 4-3
H
Handlebar switch ................................... 4-1
I
Identification numbers.......................... 10-1
K
Kickstarter .............................................. 4-8
L
Labels, location ...................................... 1-1
M
Maintenance and lubrication, periodic ... 7-4
Maintenance, emission control  system.................................................. 7-3
Matte color, caution ............................... 8-1
Middle and final gear cases ................. 7-10
P
Parking ................................................... 6-4
Part locations ......................................... 3-1
Power reduction plate, removing ........... 7-7
S
Safety information................................... 2-1
Seat......................................................... 4-8
Spark arrester, cleaning ........................ 7-11
Spark plug, checking .............................. 7-6
Specifications ......................................... 9-1
Speed limiter and power reduction 
plate ...................................................... 4-1
Starter (choke) lever ................................ 4-7
Starting and warming up a cold 
engine ................................................... 6-1
Starting off .............................................. 6-2
Steering, checking ................................ 7-22
Storage ................................................... 8-3
T
Throttle grip and cable, checking and  lubricating ........................................... 7-19
Throttle grip free play, checking ........... 7-14
Tires ...................................................... 7-14
Tool kit .................................................... 7-2
Transmission oil ...................................... 7-8
Troubleshooting .................................... 7-27
Troubleshooting chart........................... 7-28
V
Vehicle Emission Control Information  label (For Canada) .............................. 10-1
Vehicle identification number ............... 10-1
W
Wheel bearings, checking..................... 7-22
Wheel (front).......................................... 7-23
Wheel (rear) ........................................... 7-24
Wheels .................................................. 7-16
U2SA83E0.book  Page 1  Monday, July 11, 2016  2:35 PM