check engine YAMAHA YZF-R6 2001 Owner's Manual

PERIODIC MAINTENANCE AND MINOR REPAIR
6-33
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. @
EAU03764
Checking and lubricating the
throttle grip and cable The operation of the throttle grip and
the condition of the throttle cable
should be checked before each ride,
and the cable should be lubricated or
replaced if necessary.NOTE:_ Since the throttle grip must be removed
to access the throttle cable end, the
throttle grip and the cable should al-
ways be lubricated at the same time. _1. Remove the throttle grip by remov-
ing the screws.
2. Hold up the throttle cable and then
apply several drops of oil to the ca-
ble, allowing it to trickle into the
sheaths.
3. Grease the inside of the throttle
grip housing.
4. Grease the metal-to-metal contact
surface of the throttle grip, and
then install the grip by installing
the screws. Recommended lubricant:
Engine oil
Recommended lubricant:
Throttle cable:
Engine oil
Throttle grip housing and grip:
Lithium-soap-based grease
(all-purpose grease)
E_5mt.book Page 33 Monday, September 18, 2000 9:08 AM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-36
6
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.
EAU01144
Checking the wheel bearings The front and rear wheel bearings must
be checked at the intervals specified in
the periodic maintenance and lubrica-
tion chart. If there is play in the wheel
hub or if the wheel does not turn
smoothly, have a Yamaha dealer
check the wheel bearings.
E_5mt.book Page 36 Monday, September 18, 2000 9:08 AM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-41
6
EAU01579
Supporting the motorcycle Since this model is not equipped with a
centerstand, follow these precautions
when removing the front and rear
wheel or performing other mainte-
nance requiring the motorcycle to
stand upright. Check that the motor-
cycle is in a stable and level position
before starting any maintenance. A
strong wooden box can be placed un-
der the engine for added stability.
To service the front wheel
1. Stabilize the rear of the motorcycle
by using a motorcycle stand or, if
an additional motorcycle stand is
not available, by placing a jack un-
der the frame in front of the rear
wheel.
2. Raise the front wheel off the
ground by using a motorcycle
stand.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.
EAU01617
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. Loosen the front wheel axle pinch
bolt, then the brake caliper bolts.
2. Loosen the wheel axle with a
19-mm hexagon wrench.1. Wheel axle
2. Front wheel axle pinch bolt
E_5mt.book Page 41 Monday, September 18, 2000 9:08 AM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-45
6
EAU02990
Troubleshooting charts Starting problems or poor engine performance
EW000125
WARNING
@ Keep away open flames and do not smoke while checking or working on the fuel system. @
Check the fuel level in
the fuel tank.1. Fuel
There is enough fuel.
There is no fuel.
Check the compression.
Supply fuel.
The engine does not start.
Check the compression.
Operate the electric starter.2. Compression
There is compression.
There is no compression.
Check the ignition.
Have a Yamaha dealer
check the vehicle.
Remove the spark plugs
and check the electrodes.3. Ignition
Wipe off with a dry cloth and correct the
spark plug gaps, or replace the spark plugs.
Have a Yamaha dealer check the vehicle.
The engine does not start.
Have a Yamaha dealer
check the vehicle.
Operate the electric starter.4. Battery
The engine turns over
quickly.
The engine turns over
slowly.DryWet
The engine does not start.
Check the battery.Open the throttle halfway and operate
the electric starter.
The battery is good.Check the battery lead connections,
and charge the battery if necessary.
E_5mt.book Page 45 Monday, September 18, 2000 9:08 AM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-46
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.
@aNOTE:@ 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_5mt.book Page 46 Monday, September 18, 2000 9:08 AM

10-INDEXAAir filter element, checking ..................... 6-17
Air intake duct ........................................ 6-20
Anti-theft alarm ...................................... 3-10BBattery ................................................... 6-37
Brake and clutch levers, checking and
lubricating ............................................ 6-34
Brake fluid, changing ............................. 6-30
Brake fluid level, checking...................... 6-29
Brake lever...............................................3-9
Brake light switch (rear), adjusting ......... 6-27
Brake pads, checking............................. 6-28
Brake pedal............................................ 3-10
Brake pedal, lubricating.......................... 6-34
Brake pedal position, adjusting .............. 6-27CCables, checking and lubricating............ 6-33
Carburetors, adjusting............................ 6-20
Care.........................................................7-1
Clutch lever ..............................................3-9
Clutch lever free play, adjusting ............. 6-25
Conversion table ......................................8-5
Coolant .................................................. 6-13
Changing .......................................... 6-15
Checking .......................................... 6-13
Cowlings and panels, removing and
installing ................................................6-6DDimmer switch .........................................3-7
Drive chain, lubricating ........................... 6-32
Drive chain slack ................................... 6-31
Adjusting .......................................... 6-31
Checking .......................................... 6-31EEngine break-in ....................................... 5-4
Engine oil and oil filter cartridge ............. 6-10
Engine stop switch................................... 3-8FFront and rear suspension settings ........ 3-21
Front fork, adjusting ............................... 3-17
Front fork, checking ............................... 6-35
Fuel ....................................................... 3-11
Fuel consumption, tips for reducing ......... 5-3
Fuel level warning light ............................ 3-2
Fuel tank breather hose ......................... 3-12
Fuel tank cap ......................................... 3-11
Fuses, replacing .................................... 6-38HHandlebar switches ................................. 3-7
Headlight bulb, replacing ....................... 6-39
Helmet holder ........................................ 3-15
High beam indicator light ......................... 3-2
Horn switch ............................................. 3-8IIdentification numbers ............................. 9-1
Idling speed, adjusting ........................... 6-21
Ignition circuit cut-off system.................. 3-23
Indicator and warning lights ..................... 3-2KKey identification number ........................ 9-1
LLight switch ..............................................3-8
Luggage strap holders ...........................3-22MMain switch/steering lock .........................3-1
Model label ..............................................9-2NNeutral indicator light ...............................3-2OOil level/coolant temperature warning
light ........................................................3-3PParking.....................................................5-4
Part locations ...........................................2-1
Pass switch ..............................................3-7
Periodic maintenance and lubrication
chart ......................................................6-3
Pre-operation check list ............................4-1SSafety information ....................................1-1
Seats .....................................................3-13
Passenger seat.................................3-14
Rider seat .........................................3-13
Self-diagnosis device ...............................3-7
Shifting .....................................................5-3
Shift pedal ................................................3-9
Shock absorber assembly, adjusting ......3-19
Sidestand ...............................................3-22
Sidestand, checking and lubricating .......6-34
Spark plugs, checking ..............................6-9
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INDEX
Specifications .......................................... 8-1
Speedometer unit .................................... 3-5
Starter (choke) lever .............................. 3-13
Starting a cold engine .............................. 5-1
Starting a warm engine ............................ 5-2
Start switch .............................................. 3-8
Steering, checking ................................. 6-36
Storage.................................................... 7-4
Storage compartment ............................ 3-15
Supporting the motorcycle ..................... 6-41
Suspension (rear), lubricating ................ 6-35TTachometer ............................................. 3-6
Tail/brake light ....................................... 6-40
Throttle cable free play, adjusting .......... 6-21
Throttle grip and cable, checking and
lubricating............................................ 6-33
Tires ...................................................... 6-22
Tool kit..................................................... 6-1
Troubleshooting..................................... 6-44
Troubleshooting charts .......................... 6-45
Turn signal indicator light ......................... 3-2
Turn signal light bulb, replacing ............. 6-40
Turn signal switch .................................... 3-8VValve clearance, adjusting ..................... 6-22
Vehicle identification number ................... 9-1
WWheel bearings, checking ..................... 6-36
Wheel (Front) ........................................ 6-41
Installing .......................................... 6-42
Removing ........................................ 6-41
Wheel (rear) .......................................... 6-43
Installing .......................................... 6-44
Removing ........................................ 6-43
Wheels .................................................. 6-25
E_5mt.book Page 2 Monday, September 18, 2000 9:08 AM