
PERIODIC MAINTENANCE AND MINOR REPAIR
6-28
6
NOTE:@ Using the alignment marks on each
side of the swingarm, make sure that
both chain pullers are in the same posi-
tion for proper wheel alignment. @
EC000096
CAUTION:@ Improper drive chain slack will over-
load the engine as well as other vital
parts of the motorcycle and can lead
to chain slippage or breakage. To
prevent this from occurring, keep
the drive chain slack within the
specified limits. @3. Tighten the locknuts, and then
tighten the axle nut to the specified
torque.
EAU03006
Lubricating the drive chain The drive chain must be cleaned and
lubricated at the intervals specified in
the periodic maintenance and lubrica-
tion chart, otherwise it will quickly wear
out, especially when riding in dusty or
wet areas. Service the drive chain as
follows.
EC000097
CAUTION:@ The drive chain must be lubricated
after washing the motorcycle or
riding in the rain. @1. Clean the drive chain with kero-
sene and a small soft brush.
ECA00053
CAUTION:@ To prevent damaging the O-rings,
do not clean the drive chain with
steam cleaners, high-pressure
washers or inappropriate solvents. @2. Wipe the drive chain dry.
3. Thoroughly lubricate the drive
chain with a special O-ring chain
lubricant.
ECA00052
CAUTION:@ Do not use engine oil or any other
lubricants for the drive chain, as
they may contain substances that
could damage the O-rings. @
Tightening torque:
Axle nut:
150 Nm (15.0 m·kg)
E_5jj.book Page 28 Friday, September 8, 2000 3:33 PM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-37
6
EAU01358
Replacing the tail/brake light
bulb 1. Remove the passenger seat. (See
page 3-14 for passenger seat re-
moval and installation procedures.)
2. Remove the tail/brake light bulb
cover.3. Remove the socket (together
with the bulb) by turning it
counterclockwise.
4. Remove the defective bulb by
pushing it in and turning it
counterclockwise.
5. Insert a new bulb into the socket,
push it in, and then turn it clock-
wise until it stops.
6. Install the socket (together with
the bulb) by turning it clockwise.
7. Install the bulb cover.
8. Install the passenger seat.
EAU03497
Replacing a turn signal light
bulb 1. Remove the turn signal light lens
by removing the screw.
2. Remove the defective bulb by
pushing it in and turning it
counterclockwise.
3. Insert a new bulb into the socket,
push it in, and then turn it clock-
wise until it stops.
4. Install the lens by installing the
screw.
1. Tail/brake light bulb cover
1. Socket
1. Screw
E_5jj.book Page 37 Friday, September 8, 2000 3:33 PM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-41
6
EAU03537
Rear wheel To remove the rear wheel
EW000122
WARNING
@ l
It is advisable to have a Yamaha
dealer service the wheel.
l
Securely support the motor-
cycle so that there is no danger
of it falling over.
@1. Loosen the axle nut and the brake
caliper bolts.
2. Lift the rear wheel off the ground
according to the procedure on
page 6-38.3. Remove the axle nut, and then re-
move the brake caliper by remov-
ing the bolts.
4. Loosen the locknut on each side of
the swingarm.
5. Turn the drive chain adjusting
bolts fully in direction
a.6. Push the wheel forward, and then
remove the drive chain from the
rear sprocket.
NOTE:@ The drive chain does not need to be
disassembled in order to remove and
install the rear wheel. @7. Pull the wheel axle out, and then
remove the wheel.
ECA00048
CAUTION:@ Do not apply the brake after the
wheel has been removed together
with the brake disc, otherwise the
brake pads will be forced shut. @
1. Axle nut
2. Drive chain slack adjusting bolt
3. Locknut
1. Bolt (´ 2)
E_5jj.book Page 41 Friday, September 8, 2000 3:33 PM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-44
6 Engine overheating
EW000070
WARNING
@ l
Do not remove the radiator cap when the engine and radiator are hot. Scalding hot fluid and steam may be
blown out under pressure, which could cause serious injury. Be sure to wait until the engine has cooled.
l
After removing the radiator cap retaining bolt, place a thick rag, like a towel, over the radiator cap, and then
slowly rotate the cap counterclockwise to the detent to allow any residual pressure to escape. When the hiss-
ing sound has stopped, press down on the cap while turning it counterclockwise, and then remove the cap.
@NOTE:@ If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended coolant
as soon as possible. @
Wait until the
engine has cooled.
Check the coolant level in the
reservoir and radiator.
The coolant level
is OK.The coolant level is low.
Check the cooling system
for leakage.
Have a Yamaha dealer checkand repair the cooling system.Add coolant. (See NOTE.)
Start the engine. If the engine overheats again,
have a
Yamaha dealer check
and repair the cooling system.
There is
leakage.
There is
no leakage.
E_5jj.book Page 44 Friday, September 8, 2000 3:33 PM

INDEXAAir filter element, cleaning ...................... 6-15
Anti-theft alarm (optional) .........................3-8BBattery ................................................... 6-33
Brake and clutch levers, checking and
lubricating ............................................ 6-30
Brake fluid, changing ............................. 6-26
Brake fluid level, checking...................... 6-25
Brake lever............................................. 3-11
Brake light switch (rear), adjusting ......... 6-24
Brake pads, checking............................. 6-24
Brake pedal............................................ 3-11
Brake pedal, lubricating.......................... 6-30
Brake pedal position, adjusting .............. 6-23CCables, checking and lubricating............ 6-29
Carburetors, adjusting............................ 6-17
Care.........................................................7-1
Clutch lever ............................................ 3-10
Clutch lever free play, adjusting ............. 6-22
Conversion table ......................................8-5
Coolant .................................................. 6-12
Changing .......................................... 6-13
Checking .......................................... 6-12
Coolant temperature warning light............3-3
Cowlings and panels, removing and
installing ................................................6-5DDimmer switch .........................................3-9
Drive chain, lubricating ........................... 6-28
Drive chain slack ................................... 6-27
Adjusting .......................................... 6-27
Checking .......................................... 6-27EEngine break-in ....................................... 5-4
Engine oil and oil filter cartridge ............... 6-9
Engine stop switch................................... 3-9
EXUP system ........................................ 3-22FFront and rear suspension settings ........ 3-21
Front fork, adjusting ............................... 3-16
Front fork, checking ............................... 6-31
Fuel ....................................................... 3-12
Fuel consumption, tips for reducing ......... 5-4
Fuel level warning light ............................ 3-2
Fuel tank breather hose ......................... 3-13
Fuel tank cap ......................................... 3-11
Fuses, replacing .................................... 6-34HHandlebar switches ................................. 3-9
Headlight bulb, replacing ....................... 6-35
Helmet holders ...................................... 3-15
High beam indicator light ......................... 3-2
Horn switch ............................................. 3-9IIdentification numbers ............................. 9-1
Idling speed, adjusting ........................... 6-18
Ignition circuit cut-off system.................. 3-23
Indicator and warning lights ..................... 3-2
KKey identification number .........................9-1LLight switch ..............................................3-9
Luggage strap holders ...........................3-22MMain switch/steering lock .........................3-1
Model label ..............................................9-2NNeutral indicator light ...............................3-2OOil level warning light ...............................3-3PParking.....................................................5-5
Part locations ...........................................2-1
Pass switch ..............................................3-9
Periodic maintenance and lubrication
chart ......................................................6-2
Pre-operation check list ............................4-1SSafety information ....................................1-1
Seats .....................................................3-14
Passenger seat .................................. 3-14
Rider seat .........................................3-14
Self-diagnosis devices .............................3-7
Shifting .....................................................5-3
Shift pedal ..............................................3-10
Shift points (for Switzerland only) .............5-4
Shock absorber assembly, adjusting ......3-18
Sidestand ...............................................3-23
E_5jj.book Page 1 Friday, September 8, 2000 3:33 PM