PERIODIC MAINTENANCE AND MINOR REPAIR
6-7
6To install a spark plug
1. Measure the spark plug gap with a
wire thickness gauge and, if nec-
essary, adjust the gap to specifica-
tion.
2. Clean the surface of the spark
plug gasket and its mating sur-
face, and then wipe off any grime
from the spark plug threads.
3. Install the spark plug with the
spark plug wrench, and then tight-
en it to the specified torque.
NOTE:@ If a torque wrench is not available when
installing a spark plug, a good estimate
of the correct torque is 1/4–1/2 turn
past finger tight. However, the spark
plug should be tightened to the speci-
fied torque as soon as possible. @4. Install the spark plug cap.
5. Place the spark plug cover in the
original position.
EAU04618
Engine oil The engine oil level should be checked
before each ride. In addition, the oil
must be changed and the oil filter ele-
ment replaced at the intervals specified
in the periodic maintenance and lubri-
cation chart.
To check the engine oil level
1. Place the motorcycle on a level
surface and hold it in an upright
position.NOTE:_ Make sure that the motorcycle is posi-
tioned straight up when checking the oil
level. A slight tilt to the side can result in
a false reading. _2. Start the engine, warm it up for
several minutes, and then turn it
off.
a. Spark plug gapSpark plug gap:
0.7–0.8 mm
Tightening torque:
Spark plug:
20 Nm (2.0 m·kgf)
U5KSE4.book Page 7 Wednesday, September 11, 2002 11:55 AM
PERIODIC MAINTENANCE AND MINOR REPAIR
6-8
6 3. Wait a few minutes until the oil set-
tles, and then check the oil level
through the check window located
at the bottom-left side of the crank-
case.
NOTE:_ The engine oil should be between the
minimum and maximum level marks. _4. If the engine oil is below the mini-
mum level mark, add sufficient oil
of the recommended type to raise
it to the correct level.To change the engine oil
1. Start the engine, warm it up for
several minutes, and then turn it
off.
2. Place an oil pan under the engine
to collect the used oil.
3. Remove the engine oil filler cap
and drain bolt to drain the oil from
the crankcase.4. Install the engine oil drain bolt, and
then tighten it to the specified
torque.
5. Add the specified amount of the
recommended engine oil, and
then install and tighten the oil filler
cap.1. Engine oil level check window
2. Maximum level mark
3. Minimum level mark
1. Engine oil filler cap
1. Engine oil drain boltTightening torque:
Engine oil drain bolt:
43 Nm (4.3 m·kgf)
U5KSE4.book Page 8 Wednesday, September 11, 2002 11:55 AM
PERIODIC MAINTENANCE AND MINOR REPAIR
6-9
6
ECA00133
CAUTION:_
In order to prevent clutch slip-
page (since the engine oil also
lubricates the clutch), do not
mix any chemical additives. Do
not use oils with a diesel speci-
fication of “CD” or oils of a
higher quality than specified. In
addition, do not use oils labeled
“ENERGY CONSERVING II” or
higher.
Make sure that no foreign mate-
rial enters the crankcase.
_
6. Start the engine, and then let it idle
for several minutes while checking
it for oil leakage. If oil is leaking,
immediately turn the engine off
and check for the cause.NOTE:_ After the engine is started, the engine
oil level warning light should go off if the
oil level is sufficient. _
EC000067
CAUTION:_ If the oil level warning light flickers
or remains on, immediately turn the
engine off and have a Yamaha deal-
er check the vehicle. _7. Turn the engine off, and then
check the oil level and correct it if
necessary.NOTE:_ Have a Yamaha dealer replace the oil
filter element when necessary. _
EAU04083
Final gear oil The final gear case must be checked
for oil leakage before each ride. If any
leakage is found, have a Yamaha deal-
er check and repair the motorcycle. In
addition, the final gear oil level must be
checked and the oil changed as follows
at the intervals specified in the periodic
maintenance and lubrication chart.
EW000066
WARNING
_
Make sure that no foreign mate-
rial enters the final gear case.
Make sure that no oil gets on
the tire or wheel.
_
Recommended engine oil:
See page 8-1.
Oil quantity:
Periodic oil change:
3.0 L
Total amount (dry engine):
3.6 L
U5KSE4.book Page 9 Wednesday, September 11, 2002 11:55 AM
PERIODIC MAINTENANCE AND MINOR REPAIR
6-10
6 To check the final gear oil level
1. Place the motorcycle on a level
surface and hold it in an upright
position.
NOTE:_
The final gear oil level must be
checked on a cold engine.
Make sure that the motorcycle is
positioned straight up when check-
ing the oil level. A slight tilt to the
side can result in a false reading.
_2. Remove the oil filler bolt, and then
check the oil level in the final gear
case.
NOTE:_ The oil level should be at the brim of
the filler hole. _3. If the oil is below the brim of the fill-
er hole, add sufficient oil of the rec-
ommended type to raise it to the
correct level.
To change the final gear oil
1. Place an oil pan under the final
gear case to collect the used oil.
2. Remove the oil filler bolt and drain
bolt to drain the oil from the final
gear case.
3. Install the final gear oil drain bolt,
and then tighten it to the specified
torque.
4. Add the recommended final gear
oil to the brim of the filler hole.
NOTE:_ GL4 is a quality rating. Hypoid gear oils
rated GL5 or GL6 may also be used. _5. Install and tighten the oil filler bolt.
6. Check the final gear case for oil
leakage. If oil is leaking, check for
the cause.
1. Final gear oil drain bolt
2. Final gear oil filler bolt
3. Correct oil level
Tightening torque:
Final gear oil drain bolt:
23 Nm (2.3 m·kgf)
Recommended final gear oil:
Hypoid gear oil SAE 80
(API GL4)
or multi-grade hypoid gear oil
SAE 80W-90
Oil quantity:
0.2 L
U5KSE4.book Page 10 Wednesday, September 11, 2002 11:55 AM
PERIODIC MAINTENANCE AND MINOR REPAIR
6-20
6 Observe these precautions:
When checking the fluid level,
make sure that the top of the brake
fluid reservoir is level.
Use only the recommended quali-
ty brake fluid, otherwise the rubber
seals may deteriorate, causing
leakage and poor braking perfor-
mance.
Refill with the same type of brake
fluid. Mixing fluids may result in a
harmful chemical reaction and
lead to poor braking performance.
Be careful that water does not en-
ter the brake fluid reservoir when
refilling. Water will significantly
lower the boiling point of the fluid
and may result in vapor lock.
Brake fluid may deteriorate paint-
ed surfaces or plastic parts. Al-
ways clean up spilled fluid
immediately.
As the brake pads wear, it is nor-
mal for the brake fluid level to
gradually go down. However, if the
brake fluid level goes down sud-
denly, have a Yamaha dealer
check the cause.
EAU03976
Changing the brake fluid Have a Yamaha dealer change the
brake fluid at the intervals specified in
the NOTE after the periodic mainte-
nance and lubrication chart. In addition,
have the oil seals of the master cylin-
ders and calipers as well as the brake
hoses replaced at the intervals listed
below or whenever they are damaged
or leaking.
Oil seals: Replace every two
years.
Brake hoses: Replace every four
years.
1. Brake fluid reservoir
2. Minimum level mark
Recommended brake fluid: DOT 4Rear
U5KSE4.book Page 20 Wednesday, September 11, 2002 11:55 AM
PERIODIC MAINTENANCE AND MINOR REPAIR
6-23
6
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.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. @
U5KSE4.book Page 23 Wednesday, September 11, 2002 11:55 AM
SPECIFICATIONS
8-4
8
Bulb voltage, wattage × quantity
Headlight 12 V, 60/55 W × 1
Auxiliary light 12 V, 4 W × 1
Tail/brake light 12 V, 5/21 W × 1
Turn signal light 12 V, 21 W × 4
Meter lighting 14 V, 1.4 W × 2
Oil level warning light 12 V, 1.7 W × 1
Neutral indicator light 12 V, 1.7 W × 1
Turn signal indicator light 12 V, 1.7 W × 1
Engine trouble warning light 12 V, 1.7 W × 1
High beam indicator light 12 V, 1.7 W × 1
Fuses
Main fuse 30 A
Signaling system fuse 10 A
Odometer and immobilizer
system fuse (backup fuse) 10 A
Ignition fuse 10 A
Headlight fuse 15 A
Carburetor heater fuse 15 A
Ignitor unit fuse 5 A
Turn signal light, taillight,
auxiliary light and hazard fuse 10 A
U5KSE4.book Page 4 Wednesday, September 11, 2002 11:55 AM
10-INDEXAAir filter element, cleaning ...................... 6-11
Anti-theft alarm (optional) .........................3-6BBattery ................................................... 6-25
Brake and clutch levers,
checking and lubricating ...................... 6-22
Brake and shift pedals,
checking and lubricating ...................... 6-21
Brake fluid, changing ............................. 6-20
Brake fluid level, checking...................... 6-19
Brake lever...............................................3-9
Brake lever free play, adjusting .............. 6-17
Brake light switch, adjusting ................... 6-18
Brake pads, checking............................. 6-19
Brake pedal..............................................3-9
Brake pedal position, adjusting .............. 6-18CCables, checking and lubricating............ 6-21
Carburetors, adjusting............................ 6-12
Care.........................................................7-1
Clutch lever ..............................................3-8
Clutch lever free play, adjusting ............. 6-16
Conversion table ......................................8-5DDimmer switch .........................................3-7EEngine break-in........................................5-5
Engine idling speed................................ 6-12
Engine oil .................................................6-7
Engine stop switch ...................................3-7
Engine trouble warning light .................... 3-4FFinal gear oil ............................................ 6-9
Front fork, checking ............................... 6-23
Fuel ....................................................... 3-10
Fuel cock ............................................... 3-11
Fuel consumption, tips for reducing ......... 5-4
Fuel tank cap ........................................... 3-9
Fuses, replacing .................................... 6-27HHandlebar switches ................................. 3-7
Hazard switch .......................................... 3-8
Headlight bulb, replacing ....................... 6-29
Helmet holder ........................................ 3-14
High beam indicator light ......................... 3-5
Horn switch ............................................. 3-7IIdentification numbers ............................. 9-1
Ignition circuit cut-off system.................. 3-19
Immobilizer system .................................. 3-1
Immobilizer system indicator light ............ 3-5
Indicator and warning lights ..................... 3-4KKey identification number ........................ 9-1LLuggage strap holders ........................... 3-18MMain switch/steering lock ......................... 3-2
Model label .............................................. 9-2
NNeutral indicator light ...............................3-4OOil level warning light ...............................3-4PPanel, removing and installing..................6-5
Parking.....................................................5-5
Part locations ...........................................2-1
Pass switch ..............................................3-7
Periodic maintenance and
lubrication chart .....................................6-2
Pre-operation check list ............................4-1SSafety information ....................................1-1
Seats .....................................................3-13
Passenger seat.................................3-13
Rider seat .........................................3-13
Shifting .....................................................5-3
Shift pedal ................................................3-8
Shift points (for Switzerland only) .............5-4
Shock absorber assembly, adjusting ......3-16
Sidestand ...............................................3-19
Sidestand, checking and lubricating .......6-22
Spark plugs, checking ..............................6-6
Specifications ...........................................8-1
Speedometer unit.....................................3-6
Starter (choke) lever...............................3-12
Starting a cold engine ..............................5-1
Starting a warm engine ............................5-3
Start switch ..............................................3-8
Steering, checking..................................6-23
U5KSE4.book Page 1 Wednesday, September 11, 2002 11:55 AM