Page 57 of 88

PERIODIC MAINTENANCE AND MINOR REPAIR
6-25
6 2. Shift the transmission into the neu-
tral position.
3. Move the rear wheel by pushing
the motorcycle to locate the tight-
est portion of the drive chain, and
then measure the drive chain
slack as shown.
4. If the drive chain slack is incorrect,
adjust it as follows.
EAU03187
To adjust the drive chain slack
1. Loosen the brake pedal free play
adjusting nut, the axle nut, and the
chain puller locknut at each end of
the swingarm.2. To tighten the drive chain, turn the
adjusting nut at each end of the
swingarm in direction
a. To loos-
en the drive chain, turn the adjust-
ing nut at each end of the
swingarm in direction
b, and then
push the rear wheel forward.
NOTE:_ Using the alignment marks on each
side of the swingarm, make sure that
both adjusting nuts are in the same po-
sition for proper wheel alignment. _
a. Drive chain slack
Drive chain slack:
30–40 mm
1. Axle nut
2. Drive chain puller locknut
3. Brake pedal free play adjusting nut
1. Alignment marks
2. Drive chain slack adjusting nut
3. Locknut
E_5kr.book Page 25 Tuesday, September 12, 2000 4:46 PM
Page 58 of 88

PERIODIC MAINTENANCE AND MINOR REPAIR
6-26
6
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 both locknuts, and then
tighten the axle nut to the specified
torque.
4. Adjust the brake pedal free play.
(See page 6-21 for brake pedal
free play adjustment procedures.)
EW000103
WARNING
_ After adjusting the brake pedal free
play, check the operation of the
brake light. _
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:
104 Nm (10.4 m·kg)
E_5kr.book Page 26 Tuesday, September 12, 2000 4:46 PM
Page 59 of 88
PERIODIC MAINTENANCE AND MINOR REPAIR
6-27
6
EAU02962
Checking and lubricating the
cables The operation of all control cables and
the condition of the cables should be
checked before each ride, and the ca-
bles and cable ends should be lubricat-
ed if necessary. If a cable is damaged
or does not move smoothly, have a
Yamaha dealer check or replace it.
EW000112
WARNING
_ Damage to the outer sheath may in-
terfere with proper cable operation
and will cause the inner cable to
rust. Replace a damaged cable as
soon as possible to prevent unsafe
conditions. _
EAU03370
Checking and lubricating the
brake and shift pedals The operation of the brake and shift
pedals should be checked before each
ride, and the pedal pivots should be lu-
bricated if necessary.
Recommended lubricant:
Engine oilRecommended lubricant:
Lithium-soap-based grease
(all-purpose grease)
E_5kr.book Page 27 Tuesday, September 12, 2000 4:46 PM
Page 60 of 88

PERIODIC MAINTENANCE AND MINOR REPAIR
6-28
6
EAU03164
Checking and lubricating the
brake and clutch levers The operation of the brake and clutch
levers should be checked before each
ride, and the lever pivots should be lu-
bricated if necessary.
EAU03165
Checking and lubricating the
sidestand The operation of the sidestand should
be checked before each ride, and the
sidestand pivot and metal-to-metal
contact surfaces should be lubricated if
necessary.
EW000113
WARNING
_ If the sidestand does not move up
and down smoothly, have a Yamaha
dealer check or repair it. _
EAU02939
Checking the front fork The condition and operation of the front
fork must be checked as follows at the
intervals specified in the periodic main-
tenance and lubrication chart.
To check the condition
EW000115
WARNING
_ Securely support the motorcycle so
that there is no danger of it falling
over. _Check the inner tubes for scratches,
damage and excessive oil leakage.
Recommended lubricant:
Lithium-soap-based grease
(all-purpose grease)
Recommended lubricant:
Lithium-soap-based grease
(all-purpose grease)
E_5kr.book Page 28 Tuesday, September 12, 2000 4:46 PM
Page 61 of 88

PERIODIC MAINTENANCE AND MINOR REPAIR
6-29
6 To check the operation
1. Place the motorcycle on a level
surface and hold it in an upright
position.
2. While applying the front brake,
push down hard on the handle-
bars several times to check if the
front fork compresses and re-
bounds smoothly.
EC000098
CAUTION:_ If any damage is found or the front
fork does not operate smoothly,
have a Yamaha dealer check or re-
pair it. _
EAU00794
Checking the steering Worn or loose steering bearings may
cause danger. Therefore, the operation
of the steering must be checked as fol-
lows at the intervals specified in the pe-
riodic maintenance and lubrication
chart.
1. Place a stand under the engine to
raise the front wheel off the
ground.
EW000115
WARNING
_ Securely support the motorcycle so
that there is no danger of it falling
over. _
2. Hold the lower ends of the front
fork legs and try to move them for-
ward and backward. If any free
play can be felt, have a Yamaha
dealer check or repair the
steering.
E_5kr.book Page 29 Tuesday, September 12, 2000 4:46 PM
Page 67 of 88
PERIODIC MAINTENANCE AND MINOR REPAIR
6-35
6
EAU01623
Replacing the tail/brake light
bulb 1. Remove the tail/brake light lens by
removing the screws.2. Remove the defective bulb by
pushing it in and turning it counter-
clockwise.
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
screws.
EC000108
CAUTION:_ Do not overtighten the screws, oth-
erwise the lens may break. _
1. Screw (´ 2)
1. Tail/brake light bulb
E_5kr.book Page 35 Tuesday, September 12, 2000 4:46 PM
Page 69 of 88

PERIODIC MAINTENANCE AND MINOR REPAIR
6-37
6 To service the rear wheel
Raise the rear wheel off the ground by
using a motorcycle stand or, if a motor-
cycle stand is not available, by placing
a jack either under each side of the
frame in front of the rear wheel or under
each side of the swingarm.
EAU03737
Front wheel To remove the front 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. Disconnect the speedometer ca-
ble from the front wheel.2. Loosen the front wheel axle pinch
bolt.
3. Remove the rubber cap, and then
loosen the wheel axle.
4. Lift the front wheel off the ground
according to the procedure on
page 6-36.
5. 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. Speedometer cable
1. Front wheel axle pinch bolt
2. Rubber cap
3. Wheel axle
E_5kr.book Page 37 Tuesday, September 12, 2000 4:46 PM
Page 70 of 88
PERIODIC MAINTENANCE AND MINOR REPAIR
6-38
6
EAU03738
To install the front wheel
1. Install the speedometer gear unit
into the wheel hub so that the pro-
jections mesh with the slots.
2. Lift the wheel up between the fork
legs.
NOTE:_ Make sure that there is enough space
between the brake pads before insert-
ing the brake disc and that the slot in
the speedometer gear unit fits over the
retainer on the fork leg. _3. Insert the wheel axle.
4. Lower the front wheel so that it is
on the ground.
5. Push down hard on the handlebar
several times to check for proper
fork operation.6. Tighten the wheel axle to the
specified torque, and then install
the rubber cap.
7. Install the front wheel axle pinch
bolt, and then tighten it to the
specified torque.
8. Connect the speedometer cable.1. Retainer
Tightening torque:
Wheel axle:
59 Nm (5.9 m·kg)
Tightening torque:
Front wheel axle pinch bolt:
20 Nm (2.0 m·kg)
E_5kr.book Page 38 Tuesday, September 12, 2000 4:46 PM