TABLE OF CONTENTSSAFETY INFORMATION ..................1-1
Further safe-riding points ................1-5
DESCRIPTION ..................................2-1
Left view ..........................................2-1
Right view ........................................2-2
Controls and instruments.................2-3
INSTRUMENT AND CONTROL
FUNCTIONS.......................................3-1
Main switch/steering lock ................3-1
Indicator lights and warning light ....3-2
Speedometer unit (NS50N) .............3-3
Multi-function display (NS50)...........3-4
Handlebar switches ........................3-6
Front brake lever ............................3-7
Rear brake lever .............................3-7
Fuel and 2-stroke engine oil tank
caps .............................................3-8
Fuel .................................................3-9
Catalytic converter ........................3-10
2-stroke engine oil ........................3-10
Kickstarter .....................................3-11
Seats ............................................3-11
Storage compartment ...................3-12
Adjusting the shock absorber
assembly (if equipped) ...............3-13FOR YOUR SAFETY –
PRE-OPERATION CHECKS............. 4-1
OPERATION AND IMPORTANT
RIDING POINTS................................. 5-1
Starting a cold engine .................... 5-1
Starting off ...................................... 5-2
Acceleration and deceleration ........ 5-2
Braking ........................................... 5-2
Tips for reducing fuel
consumption ............................... 5-3
Engine break-in .............................. 5-3
Parking ........................................... 5-4
PERIODIC MAINTENANCE AND
ADJUSTMENT................................... 6-1
Periodic maintenance chart for
the emission control system ....... 6-2
General maintenance and
lubrication chart .......................... 6-3
Removing and installing the cowling
and panel .................................... 6-6
Checking the spark plug ................. 6-7
Final transmission oil ...................... 6-8
Coolant ........................................... 6-9
Cleaning the air filter element ...... 6-10
Adjusting the carburetor ............... 6-11
Checking the throttle grip free
play ........................................... 6-11
Tires ............................................. 6-12
Cast wheels .................................. 6-14Checking the front and rear brake
lever free play ........................... 6-14
Checking the front and rear brake
pads .......................................... 6-15
Checking the brake fluid level ...... 6-15
Changing the brake fluid .............. 6-16
Checking and lubricating
the throttle grip and cable ......... 6-17
Lubricating the front and rear
brake levers .............................. 6-17
Checking and lubricating the
centerstand ............................... 6-17
Checking the front fork ................. 6-18
Checking the steering .................. 6-19
Checking the wheel bearings ....... 6-19
Battery ......................................... 6-19
Replacing the fuse ....................... 6-21
Replacing the headlight bulb ....... 6-22
Replacing the tail/brake light
bulb ........................................... 6-23
Replacing a turn signal light
bulb ........................................... 6-23
License plate light ........................ 6-24
Replacing the auxiliary light bulb
(if equipped) .............................. 6-24
Troubleshooting ........................... 6-25
Troubleshooting charts ................ 6-26
SCOOTER CARE AND STORAGE... 7-1
Matte color caution ........................ 7-1
Care ............................................... 7-1U1PHE0E0.book Page 1 Wednesday, August 29, 2012 4:42 PM
PERIODIC MAINTENANCE AND ADJUSTMENT
6-11
6
TIPThe air filter element should be wet but
not dripping.4. Insert the element into the air filtercase. 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.
EAU21300
Adjusting the carburetor The carburetor is an important part of
the engine and requires very sophisti-
cated adjustment. Therefore, all carbu-
retor adjustments should be left to a
Yamaha dealer, who has the neces-
sary professional knowledge and expe-
rience.
EAU21384
Checking the throttle grip free
play The throttle grip free play should mea-
sure 3.0–5.0 mm (0.12–0.20 in) at the
inner edge of the throttle grip. Periodi-
cally check the throttle grip free play
and, if necessary, have a Yamaha deal-
er adjust it.
Recommended oil:Foam air filter oil
1. Throttle grip free play1ZAUM0051
U1PHE0E0.book Page 11 Thursday, September 6, 2012 3:31 PM
