
3
INSTRUMENT AND CONTROL FUNCTIONS
Main switch/steering lock ...................................... 3-1
Indicator lights ...................................................... 3-3
Oil level indicator circuit check .............................. 3-4
Fuel indicator circuit check ................................... 3-5
Speedometer ........................................................ 3-6
Tachometer ........................................................... 3-6
Diagnosis device................................................... 3-7
Antitheft alarm (optional) ...................................... 3-7
Fuel gauge ............................................................ 3-8
Digital clock........................................................... 3-8
Handlebar switches .............................................. 3-9
Clutch lever ......................................................... 3-10
Shift pedal ........................................................... 3-11Front brake lever ................................................ 3-11
Rear brake pedal................................................ 3-11
Fuel tank cap ..................................................... 3-12
Fuel .................................................................... 3-13
Fuel tank breather hose (for Germany only) ...... 3-14
Starter (choke) “ ” ........................................... 3-14
Seat.................................................................... 3-15
Helmet holder..................................................... 3-15
Storage compartment ........................................ 3-16
Front fork adjustment ......................................... 3-16
Rear shock absorber adjustment ....................... 3-17
Sidestand ........................................................... 3-18
Sidestand/clutch switch operation check............ 3-18

INSTRUMENT AND CONTROL FUNCTIONS
3-7
3
EAU01559*
Diagnosis deviceThis model is equipped with a diagno-
sis device for the following circuits.l
Throttle Position Sensor (T.P.S.)
l
Ignition circuit
If some trouble should occur in any of
these circuits, the tachometer will re-
peatedly display as follows:
CB-72EUse this chart to identify what circuit is
faulty according to the specified r/min
displayed.CB-73E
If the tachometer displays as described
above, take note of the specified r/min
and then take your motorcycle to a
Yamaha dealer for repair.
EC000004
CAUTION:@ To prevent engine damage, be sure
to consult a Yamaha dealer as soon
as possible if the tachometer dis-
plays a repeated change in r/min. @
EAU00109
Antitheft alarm (optional)An antitheft alarm can be equipped to
this motorcycle. Consult your Yamaha
dealer to obtain and install the alarm.
Specified r/min
Faulty circuit
10,000 r/min
Throttle Position Sensor
(T.P.S.)
9,000 r/min
Ignition circuitSpecified
r/min for the
faulty circuit
for 3 sec-
onds (see
chart below)
0 r/min for
3 seconds
Current en-
gine r/min for
3 seconds

10-INDEXAAir filter .................................................. 6-11
Antitheft alarm (optional) ..........................3-7BBattery ................................................... 6-24
Brake and clutch lever lubrication........... 6-22
Brake and shift pedal lubrication ............ 6-22
Brake fluid replacement ......................... 6-21
Brake light switch adjustment ................. 6-19CCable inspection and lubrication ............ 6-21
Carburetor adjustment ........................... 6-13
Care.........................................................7-1
Center and sidestand lubrication ............ 6-22
Checking the front and
rear brake pads ................................... 6-19
Clutch lever ............................................ 3-10
Clutch lever free play adjustment ........... 6-18
Controls/Instruments ................................2-3
Cowling A ................................................6-5
Cowling B ................................................6-6
Cowling removal and installation ..............6-5DDiagnosis device......................................3-7
Digital clock..............................................3-8
Dimmer switch .........................................3-9EEngine break-in........................................5-5
Engine oil .................................................6-8
Engine stop switch ................................. 3-10
FFinal gear oil replacement ..................... 6-11
Front brake lever ................................... 3-11
Front fork adjustment............................. 3-16
Front fork inspection .............................. 6-23
Front wheel installation .......................... 6-29
Front wheel removal .............................. 6-27
Fuel ....................................................... 3-13
Fuel gauge .............................................. 3-8
Fuel indicator circuit check....................... 3-5
Fuel indicator light ................................... 3-3
Fuel tank breather hose
(for Germany only) .............................. 3-14
Fuel tank cap ......................................... 3-12
Fuse replacement.................................. 6-25GGive safety the right of way ..................... 1-1HHandlebar switches ................................. 3-9
Dimmer switch ................................... 3-9
Engine stop switch ........................... 3-10
Hazard switch .................................... 3-9
Horn switch ........................................ 3-9
Lights switch .................................... 3-10
Pass switch ........................................ 3-9
Start switch ...................................... 3-10
Turn signal switch .............................. 3-9
Hazard switch .......................................... 3-9
Headlight bulb replacement ................... 6-26
Helmet holder ........................................ 3-15
High beam indicator light ......................... 3-3
Horn switch ............................................. 3-9
IIdentification number records ...................9-1
Idle speed adjustment ............................6-13
Indicator lights ..........................................3-3
Fuel indicator light...............................3-3
High beam indicator light ....................3-3
Neutral indicator light ..........................3-3
Oil level indicator light .........................3-3
Turn indicator lights ............................3-3
Inspecting the brake fluid level ...............6-20KKey identification number .........................9-1LLeft view...................................................2-1
Lights switch ..........................................3-10MMain switch/Steering lock .........................3-1
Model label ..............................................9-2NNeutral indicator light ...............................3-3OOil level indicator circuit check .................3-4
Oil level indicator light ..............................3-3PParking.....................................................5-6
Pass switch ..............................................3-9
Periodic maintenance and lubrication .......6-2
Pre-operation check list ............................4-1