check engine YAMAHA XJ900S 2000 Owners Manual

INSTRUMENT AND CONTROL FUNCTIONS
3-3
3
EAU00056
Indicator lights
EAU00058
Turn indicator lights “ ” / “ ”
The corresponding indicator flashes
when the turn switch is moved to the
left or right.
EAU01154
Fuel indicator light “ ”
When the fuel level drops below ap-
proximately 5 L, this light will come on.
When this light comes on, fill the tank at
the first opportunity. This light circuit
can be checked by the procedure on
page 3-5.
EAU00061
Neutral indicator light “ ”
This indicator comes on when the
transmission is in neutral.
EAU00063
High beam indicator light “ ”
This indicator comes on when the
headlight high beam is used.
EAU01313
Oil level indicator light “ ”
This indicator comes on when the oil
level is low. This light circuit can be
checked by the procedure on page 3-4.
EC000000
CAUTION:@ Do not run the motorcycle until you
know it has sufficient engine oil. @NOTE:@ Even if the oil is filled to the specified
level, the indicator light may flicker
when riding on a slope or during sud-
den acceleration or deceleration, but
this is normal. @
1. Left turn indicator light “ ”
2. Fuel indicator light “ ”
3. Neutral indicator light “ ”
4. High beam indicator light “ ”
5. Oil level indicator light “ ”
6. Right turn indicator light “ ”

INSTRUMENT AND CONTROL FUNCTIONS
3-4
3
EAU00071
Oil level indicator circuit check
CB-48E
Turn the main switch to “ON” and
the engine stop switch to “ ”.
Oil level indicator light
does not come on.
Oil level indicator light
comes on.Check engine oil level.
Oil level indicator light
comes on.
Oil level indicator light
does not come on.
Engine oil level and
electrical circuit are OK.
Go ahead with riding.
Put the transmission in neutral or
apply the clutch lever, then push
the start switch.
Oil level
is OK.
Supply
engine oil.Oil level
is low.
Ask a Yamaha dealer to
inspect electrical circuit.

INSTRUMENT AND CONTROL FUNCTIONS
3-5
3
EAU00085
Fuel indicator circuit check
CB-46E
Turn the main switch to “ON” and the
engine stop switch to “ ”.
Fuel indicator light does
not come on.
Fuel indicator light
comes on.Check the fuel level.
Fuel indicator light
comes on.
Fuel indicator light
does not come on.
Fuel level and electrical
circuit are OK.
Go ahead with riding.
Put the transmission in neutral or
apply the clutch lever, then push
the start switch.
Fuel level
is OK.
Supply fuel.Fuel level
is low.
Ask a Yamaha dealer to
inspect electrical circuit.

INSTRUMENT AND CONTROL FUNCTIONS
3-14
3
EAU00196
Fuel tank breather hose
(for Germany only)This model is equipped with a fuel tank
breather hose. Before using this motor-
cycle, be sure to:l
Check hose connection.
l
Check hose for cracks or damage.
Replace if damaged.
l
Make sure the end of the hose is
not blocked. Clean it if necessary.
EAU02976
Starter (choke) “ ”Starting a cold engine requires a richer
air-fuel mixture. A separate starter cir-
cuit supplies this mixture.
Move in direction
a to turn on the
starter (choke).
Move in direction
b to turn off the
starter (choke).
1. Fuel tank breather hose
1. Starter (choke) “ ”

INSTRUMENT AND CONTROL FUNCTIONS
3-18
3
EAU00330
SidestandThis model is equipped with an ignition
circuit cut-off system. The motorcycle
must not be ridden when the sidestand
is down. The sidestand is located on
the left side of the frame. (Refer to
page 5-1 for an explanation of this sys-
tem.)
EW000044
WARNING
@ This motorcycle must not be operat-
ed with the sidestand in the down
position. If the stand is not properly
retracted, it could contact the
ground and distract the operator, re-
sulting in a possible loss of control.
Yamaha has designed into this
motorcycle a lockout system to as-
sist the operator in fulfilling the re-
sponsibility of retracting the
sidestand. Please check carefully
the operating instructions listed be-
low and if there is any indication of a
malfunction, return the motorcycle
to a Yamaha dealer immediately for
repair. @
EAU00332
Sidestand/clutch switch
operation checkCheck the operation of the sidestand
switch and clutch switch against the in-
formation below.
EW000046
WARNING
@ l
Be sure to use the centerstand
during this inspection.
l
If improper operation is noted,
consult a Yamaha dealer.
@CD-08E
CD-08E
TURN MAIN SWITCH TO “ON” AND
ENGINE STOP SWITCH TO “ ”.TRANSMISSION IS IN GEAR AND
SIDESTAND IS UP.PULL IN CLUTCH LEVER AND
PUSH START SWITCH.ENGINE WILL START.
SIDESTAND IS DOWN.ENGINE WILL STALL.SIDESTAND SWITCH IS OK.CLUTCH SWITCH IS OK.

4-1
4
EAU01114
4-PRE-OPERATION CHECKSOwners are personally responsible for their vehicle’s condition. Your motorcycle’s vital functions can start to deteriorate
quickly and unexpectedly, even if it remains unused (for instance, if it is exposed to the elements). Any damage, fluid leak or
loss of tire pressure could have serious consequences. Therefore, it is very important that, in addition to a thorough visual in-
spection, you check the following points before each ride.
EAU00340
PRE-OPERATION CHECK LIST
ITEM CHECKS PAGE
Front brake• Check operation, free play, fluid level and fluid leakage.
• Fill with DOT 4 brake fluid if necessary.
6-19 ~ 6-21
Rear brake• Check operation, free play, fluid level and fluid leakage.
• Fill with DOT 4 brake fluid if necessary.
Clutch• Check operation condition and free play.
• Adjust if necessary.6-18
Throttle grip and housing• Check for smooth operation.
• Lubricate if necessary.6-14, 6-21
Engine oil• Check oil level.
• Fill with oil if necessary.6-8 ~ 6-10
Final gear oil• Check for leakage. 6-11
Wheels and tires• Check tire pressure, wear and damage. 6-15 ~ 6-18, 6-27 ~ 6-31
Control and meter cables• Check for smooth operation.
• Lubricate if necessary.6-21
Brake and shift pedal
shafts• Check for smooth operation.
• Lubricate if necessary.6-22
Brake and clutch lever
pivots• Check for smooth operation.
• Lubricate if necessary.6-22
Center and sidestand
pivots• Check for smooth operation.
• Lubricate if necessary.6-22

5-1
5
EAU00372
5-OPERATION AND IMPORTANT RIDING POINTS
EAU00373
WARNING
@ l
Before riding this motorcycle,
become thoroughly familiar
with all operating controls and
their functions. Consult a
Yamaha dealer regarding any
control or function that you do
not thoroughly understand.
l
Never start your engine or let it
run for any length of time in a
closed area. The exhaust fumes
are poisonous and can cause
loss of consciousness and
death within a short time. Al-
ways operate your motorcycle
in an area with adequate ventila-
tion.
l
Before starting out, always be
sure the sidestand is up. Failure
to retract the sidestand com-
pletely can result in a serious
accident when you try to turn a
corner.
@
EAU01627
Starting the engineNOTE:@ This motorcycle is equipped with an ig-
nition circuit cut-off system.
The engine can be started only under
one of the following conditions:l
The transmission is in neutral.
l
The sidestand is up, the transmis-
sion is in gear and the clutch is dis-
engaged.
The motorcycle must not be ridden
when the sidestand is down.
@
EW000054
WARNING
@ Before going through the following
steps, check the function of the
sidestand switch and clutch switch.
(Refer to page 3-18.) @

OPERATION AND IMPORTANT RIDING POINTS
5-3
51. Turn the main switch to “ON” and
the engine stop switch to “ ”.
EC000035
CAUTION:@ If the fuel indicator light comes on,
check the fuel level. If necessary, fill
the tank with fuel. @2. Shift the transmission into neutral.NOTE:@ When the transmission is in neutral, the
neutral indicator light should be on. If
the light does not come on, ask a
Yamaha dealer to inspect it. @3. Turn on the starter (choke) and
completely close the throttle grip.
4. Start the engine by pushing the
start switch.
NOTE:@ If the engine fails to start, release the
start switch, wait a few seconds, then
try again. Each attempt should be as
short as possible to preserve the bat-
tery. Do not crank the engine more
than 10 seconds on any one attempt. @
EC000036
CAUTION:@ The oil level indicator light and fuel
indicator light should come on when
the start switch is pushed and
should go off when the start switch
is released. If the oil level indicator
light flickers or remains on, immedi-
ately stop the engine and check the
engine oil level and for oil leakage. If
necessary, fill the engine with oil
and check to see that the oil level in-
dicator light goes off. If not, consult
a Yamaha dealer. @
5. After starting the engine, move the
starter (choke) to the halfway posi-
tion.NOTE:@ For maximum engine life, never accel-
erate hard with a cold engine! @6. After the engine is warm, turn off
the starter (choke) completely.NOTE:@ The engine is warm when it responds
normally to the throttle with the starter
(choke) turned off. @

6
PERIODIC MAINTENANCE AND MINOR REPAIR
Tool kit................................................................... 6-1
Periodic maintenance and lubrication ................... 6-2
Cowling removal and installation .......................... 6-5
Cowling A.............................................................. 6-5
Cowling B.............................................................. 6-6
Spark plug inspection ........................................... 6-7
Engine oil .............................................................. 6-8
Final gear oil replacement .................................. 6-11
Air filter ............................................................... 6-11
Carburetor adjustment ........................................ 6-13
Idle speed adjustment ........................................ 6-13
Throttle cable free play inspection ...................... 6-14
Valve clearance adjustment ................................ 6-14
Tires .................................................................... 6-15
Wheels ................................................................ 6-18
Clutch lever free play adjustment........................ 6-18
Brake light switch adjustment ............................. 6-19
Checking the front and rear brake pads.............. 6-19
Inspecting the brake fluid level............................ 6-20Brake fluid replacement ..................................... 6-21
Cable inspection and lubrication ........................ 6-21
Throttle cable and grip lubrication ...................... 6-21
Brake and shift pedal lubrication ........................ 6-22
Brake and clutch lever lubrication ...................... 6-22
Center and sidestand lubrication ....................... 6-22
Front fork inspection ........................................... 6-23
Steering inspection ............................................ 6-23
Wheel bearings .................................................. 6-24
Battery................................................................ 6-24
Fuse replacement .............................................. 6-25
Headlight bulb replacement ............................... 6-26
Front wheel removal ........................................... 6-27
Front wheel installation ...................................... 6-29
Rear wheel removal ........................................... 6-30
Rear wheel installation ....................................... 6-31
Troubleshooting .................................................. 6-31
Troubleshooting chart ......................................... 6-32

PERIODIC MAINTENANCE AND MINOR REPAIR
6-3
6
11
*Wheel bearings• Check bearing for looseness or damage.
• Replace if necessary. ÖÖ
12*Swingarm• Check swingarm pivoting point for play.
• Correct if necessary.
• Lubricate with molybdenum disulfide grease every 24,000 km or
24 months (whichever comes first).ÖÖ
13*Steering bearings• Check bearing play and steering for roughness.
• Correct accordingly.
• Lubricate with lithium soap base grease every 24,000 km
or 24 months (whichever comes first).ÖÖ
14*Chassis fasteners• Make sure that all nuts, bolts and screws are properly tightened.
• Tighten if necessary.ÖÖ
15 Sidestand/centerstand• Check operation.
• Lubricate and repair if necessary.ÖÖ
16*Sidestand switch• Check operation.
• Replace if necessary.ÖÖÖ
17*Front fork• Check operation and for oil leakage.
• Correct accordingly.ÖÖ
18*Rear shock absorber
assembly• Check operation and shock absorber for oil leakage.
• Replace shock absorber assembly if necessary. ÖÖ
19*Rear suspension relay
arm and connecting arm
pivoting points• Check operation.
• Lubricate with molybdenum disulfide grease every 24,000 km or
24 months (whichever comes first).ÖÖ
20*Carburetors• Check engine idling speed, synchronization and starter operation.
• Adjust if necessary.ÖÖÖ
21 Engine oil• Check oil level and vehicle for oil leakage.
• Correct if necessary.
• Change. (Warm engine before draining.)ÖÖÖ NO. ITEM CHECKS AND MAINTENANCE JOBSINITIAL
(1,000 km)EVERY
6,000 km
or
6 months
(whichever
comes first)12,000 km
or
12 months
(whichever
comes first)