Page 14 of 104
1
2
3
4
5
6
7
8
9
DESCRIPTION
2-3
15. Clutch lever (page 3-8, 6-20)
16. Left handlebar switches (page 3-5)
17. Speedometer (page 3-4)
18. Engine temperature gauge (page 3-5)
19. Tachometer (page 3-5)20. Right handlebar switches (page 3-6)
21. Front brake lever (page 3-9, 6-21)
22. Throttle grip (page 6-17)
23. Fuel tank cap (page 3-9)
24. Main switch/Steering lock (page 3-1)
15 16 17 18 19 20 21
22 23 24
Controls/Instruments
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Page 15 of 104

INSTRUMENT AND CONTROL FUNCTIONS
Main switch/steering lock........................................3-1
Indicator lights ........................................................3-2
Oil level indicator circuit check ...............................3-3
Speedometer ..........................................................3-4
Tachometer ............................................................3-4
Engine temperature gauge .....................................3-5
Handlebar switches ................................................3-5
Headlight beam variation ........................................3-6
Clutch lever.............................................................3-8
Shift pedal...............................................................3-8
Front brake lever ....................................................3-8
Rear brake pedal ....................................................3-9
Fuel tank cap ..........................................................3-9
Fuel.......................................................................3-10
Catalyzer (for Switzerland and Austria) ................3-11
Two-stroke engine oil ...........................................3-12
Fuel cock ..............................................................3-12
Starter (choke) “1” ..............................................3-13
Seat ......................................................................3-13
Helmet holder .......................................................3-14
Rear shock absorber adjustment..........................3-14
Note on handling of the Yamaha Energy
Induction System (Y.E.I.S.) ..................................3-15Y.P.V.S. (Yamaha Power Valve System) .............3-16
Sidestand..............................................................3-16
Sidestand/clutch switch operation check ..............3-17
3
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Page 16 of 104

3-1
OFFON
LOCKP
PUSH
YM-8
IGNITION
ON
OFF
LOCK
PARKING
EAU00029
Main switch/Steering lock
The main switch controls the ignition
and lighting systems. Its operation is
described below.
EAU00036
ON
Electrical circuits are switched on.
The engine can be started. The key
cannot be removed in this position.
EAU00038
OFF
All electrical circuits are switched off.
The key can be removed in this posi-
tion.
EAU00042
LOCK
The steering is locked in this position
and all electrical circuits are switched
off.
The key can be removed in this posi-
tion.
To lock the steering, turn the handle-
bars all the way to the left. With the
key at “OFF”, push it into the main
switch and release it, turn it counter-
clockwise to “LOCK” and remove it.
To release the lock, turn the key to
“OFF”.
EW000016
w
Never turn the key to “OFF” or
“LOCK” when the motorcycle is
moving. The electrical circuits will
be switched off which may result
in loss of control or an accident.
Be sure the motorcycle is stopped
before turning the key to “OFF” or
“LOCK”.
EAU00048*
. .(Parking)
The steering is locked in this position,
and the taillight and auxiliary light
come on but all other circuits are off.
The key can be removed in this posi-
tion.
To use the parking position, first lock
the steering, then turn the key to “
.”.
Do not use this position for an
extended length of time as the bat-
tery may discharge.
EAU00027
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
4
5
6
7
8
9
12
1. Push 2. Turn
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Page 24 of 104
3-9
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
4
5
6
7
8
91
1. Rear brake pedal
EAU00162Rear brake pedal
The rear brake pedal is on the right
side of the motorcycle. Press down
on the brake pedal to apply the rear
brake.
NOTE:
This tank cap cannot be closed
unless the key is in the lock. The key
cannot be removed if the cap is not
locked properly.
EW000023
w
Be sure the cap is properly
installed and locked in place
before riding the motorcycle.
2
1
EAU02935
Fuel tank cap
To open
Open the lock cover. Insert the key
and turn it 1/4 turn clockwise. The
lock will be released and the cap can
be opened.
To close
Push the tank cap into position with
the key inserted. To remove the key,
turn it counterclockwise to the original
position. Then, close the lock cover.
1. Open
2. Unlock
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Page 28 of 104
1
a
b1
RES
This indicates reserve. If you run out
of fuel while riding, move the lever to
this position. Fill the tank at the first
opportunity. Be sure to set the lever
back to “ON” after refueling!EAU02976
Starter (choke) “1”
Starting a cold engine requires a rich-
er air-fuel mixture. A separate starter
circuit supplies this mixture.
Move in direction ato turn on the
starter (choke).
Move in direction bto turn off the
starter (choke).
EAU01619Seat
To remove
Insert the key into the lock and turn it
clockwise.
1. Starter(choke) “1” 1. Unlock
3-13
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
4
5
6
7
8
9
1
RES
1. Arrow mark pointing to “RES”
RES: reserve position
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3-14
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
4
5
6
7
8
9
EAU00260Helmet holder
To open the helmet holder, insert the
key in the lock and turn it as shown.
To lock the helmet holder, replace
the holder in its original position.
EW000030
w
Never ride with a helmet in the hel-
met holder. The helmet may hit
objects, causing loss of control
and possibly an accident.
EAU00295
Rear shock absorber
adjustment
This shock absorber is equipped with
a spring preload adjusting ring.
Adjust spring preload as follows.
Turn the adjusting ring in direction a
to increase spring preload and in
direction bto decrease spring pre-
load.
Make sure that the appropriate notch
in the adjusting ring is aligned with
the position indicator on the rear
shock absorber. To install
Insert the projection on the front of
the seat into the seat holder. Push
down on the seat and remove the
key.
NOTE:
Make sure that the seat is securely
fitted.
1
2
1. Projection
2. Seat holder
1
1. Open
a
b1
1. Adjusting ring
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3-17
EW000044
w
This motorcycle must not be oper-
ated with the sidestand in the
down position. If the stand is not
properly retracted, it could contact
the ground and distract the opera-
tor, resulting in a possible loss of
control. Yamaha has designed into
this motorcycle a lockout system
to assist the operator in fulfilling
the responsibility of retracting the
sidestand. Please check carefully
the operating instructions listed
below and if there is any indication
of a malfunction, return the motor-
cycle to a Yamaha dealer immedi-
ately for repair.
EAU00331
Sidestand/clutch switch
operation check
Check the operation of the sidestand
switch and clutch switch against the
information below.
EW000045
w
If improper operation is noted,
consult a Yamaha dealer immedi-
ately.
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
4
5
6
7
8
9TURN THE MAIN SWITCH TO “ON” AND
THE ENGINE STOP SWITCH TO “#”.
TRANSMISSION IS IN GEAR AND
SIDESTAND IS UP.
PULL IN CLUTCH LEVER AND
PUSH THE START SWITCH.
ENGINE WILL START.
CLUTCH SWITCH IS OK.
SIDESTAND IS DOWN.
ENGINE WILL STALL.
SIDESTAND SWITCH IS OK.
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6-16
PERIODIC MAINTENANCE AND MINOR REPAIR
1
2
3
4
5
6
7
8
9
NOTE:
If the specified idle speed cannot be
obtained by performing the above
adjustment, consult a Yamaha deal-
er.
Standard idle speed:
1,300 ~ 1,500 r/min
1,400 ~ 1,500 r/min
(A, CH only)
EAU00634
Throttle cable free play
adjustment
NOTE:
Before checking the throttle cable
free play, the engine idling speed
should be adjusted.
Adjust the throttle cable by turning
the adjusting nut so that specified
free play at the throttle grip is
obtained.
a. Free play
a
Free play:
3 ~ 5 mm
2 1
b
a
1. Loosen the locknut.
2. Turn the adjusting nut in direc-
tion ato increase free play and
in direction bto decrease free
play.
3. Tighten the locknut.
1. Locknut
2. Adjusting nut
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