2004 YAMAHA YZF-R6 check engine light

PERIODIC MAINTENANCE AND MINOR REPAIR
6-9
6
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.CAUTION:
ECA10840
Do not use any tools to remove or in-
stall the spark plug cap, otherwise
the ignition coil coupler may get
damaged. The spark plug cap may
be difficult to remove because the
rubber seal on the end of the cap fits
tightly. To remove the spark plug
cap, simply twist it back and forth
while pulling it out; to install it, twistit back and forth while pushing it in.
EAU19930
Engine oil and oil filter
cartridge The engine oil level should be checked
before each ride. In addition, the oil
must be changed and the oil filter car-
tridge replaced at the intervals speci-
fied in the periodic maintenance and
lubrication chart.
To check the engine oil level
1. Place the vehicle on a level sur-
face and hold it in an upright posi-
tion.NOTE:
Make sure that the vehicle is positioned
straight up when checking the oil level.
A slight tilt to the side can result in afalse reading.
2. Start the engine, warm it up for
several minutes, and then turn it
off.
3. Wait a few minutes until the oil set-
tles.4. Remove the engine oil dipstick and
wipe it clean, insert it back into the
hole (without screwing it in), and
then remove it again to check the
oil level.
1. Dipstick
2. Maximum level mark
3. Minimum level mark
1. Engine oil filler cap
5SLE1.book Page 9 Friday, August 1, 2003 4:09 PM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-12
613. Start the engine, and then let it idle
for several minutes while checking
it for oil leakage. If oil is leaking, im-
mediately 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 theoil level is sufficient.CAUTION:
ECA10400
If the oil level warning light flickers
or remains on, immediately turn the
engine off and have a Yamaha dealercheck the vehicle.
14. Turn the engine off, and then
check the oil level and correct it if
necessary.
EAU20070
Coolant The coolant level should be checked
before each ride. In addition, the cool-
ant must be changed at the intervals
specified in the periodic maintenance
and lubrication chart.
EAU20111
To check the coolant level
1. Place the vehicle on a level sur-
face and hold it in an upright posi-
tion.NOTE:

The coolant level must be checked
on a cold engine since the level
varies with engine temperature.


Make sure that the vehicle is posi-
tioned straight up when checking
the coolant level. A slight tilt to theside can result in a false reading.
2. Check the coolant level in the cool-
ant reservoir.
NOTE:The coolant should be between theminimum and maximum level marks.3. If the coolant is at or below the
minimum level mark, remove the
coolant reservoir cover by remov-
ing the bolts, remove the reservoir
cap, and then add coolant to the
maximum level mark.
1. Maximum level mark
2. Minimum level mark
1. Coolant reservoir cover
2. Bolt
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-38
63. Remove the defective bulb by pull-
ing it out.
4. Insert a new bulb into the socket.
5. Install the socket (together with the
bulb) by pushing it in.
6. Install the auxiliary light bulb cover
by installing the quick fastener.
NOTE:To install the quick fastener, push the
center pin out so that it will protrude
from the fastener head, insert the fas-
tener into the auxiliary light bulb cover,
and then push the protruding pin in untilit is flush with the fastener head.
EAU24350
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 maintenance
requiring the motorcycle to stand up-
right. Check that the motorcycle is in a
stable and level position before starting
any maintenance. A strong wooden
box can be placed under 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
1. Auxiliary light bulb
2. Auxiliary light bulb socket
1. Quick fastener
2. Pin
12
5SLE1.book Page 38 Friday, August 1, 2003 4:09 PM

INDEXAAir filter element, checking .................... 6-16
Air intake duct ....................................... 6-18
Anti-theft alarm (optional)...................... 3-12
Auxiliary light bulb, replacing ................ 6-37BBattery................................................... 6-32
Brake and clutch levers, checking
and lubricating .................................... 6-30
Brake and shift pedals, checking
and lubricating .................................... 6-29
Brake fluid, changing ............................ 6-26
Brake fluid level, checking .................... 6-25
Brake lever ............................................ 3-14
Brake pedal ........................................... 3-15
Brake pedal position, adjusting ............. 6-23CCables, checking and lubricating .......... 6-28
Care ........................................................ 7-1
Catalytic converter ................................ 3-17
Clutch lever ........................................... 3-14
Clutch lever free play, adjusting ............ 6-22
Coolant.................................................. 6-12
Coolant temperature warning light .......... 3-5
Cowlings and panels, removing and
installing................................................ 6-6DDimmer switch ...................................... 3-13
Drive chain, lubricating.......................... 6-28
Drive chain slack ................................... 6-26EEngine break-in ....................................... 5-3
Engine idling speed............................... 6-18
Engine oil and oil filter cartridge .............. 6-9Engine stop switch................................ 3-13
Engine trouble warning light ................... 3-7
FFront and rear brake pads, checking .... 6-24
Front fork, adjusting .............................. 3-20
Front fork, checking .............................. 6-31
Fuel....................................................... 3-16
Fuel consumption, tips for reducing........ 5-3
Fuel level warning light ........................... 3-4
Fuel tank breather hose........................ 3-17
Fuel tank cap ........................................ 3-15
Fuses, replacing ................................... 6-33HHandlebar switches .............................. 3-12
Hazard switch ....................................... 3-13
Headlight bulb, replacing ...................... 6-35
Helmet holders ..................................... 3-18
High beam indicator light ........................ 3-4
Horn switch ........................................... 3-13IIdentification numbers ............................ 9-1
Ignition circuit cut-off system ................ 3-24
Immobilizer system ................................. 3-1
Immobilizer system indicator light........... 3-7
Indicator and warning lights .................... 3-3KKey identification number ....................... 9-1LLicense plate light bulb, replacing ........ 6-37
Luggage strap holders .......................... 3-23MMain switch/steering lock........................ 3-2
Model label ............................................. 9-2
Multi-function display .............................. 3-8
NNeutral indicator light .............................. 3-4OOil level warning light .............................. 3-4PParking .................................................... 5-4
Part locations .......................................... 2-1
Pass switch ........................................... 3-13
Periodic maintenance and lubrication
chart ...................................................... 6-2
Pre-operation check list........................... 4-2RRear brake light switch, adjusting ......... 6-24SSafety information ................................... 1-1
Seats ..................................................... 3-17
Shifting .................................................... 5-2
Shift pedal ............................................. 3-14
Shift timing indicator light ........................ 3-7
Shock absorber assembly, adjusting .... 3-22
Sidestand .............................................. 3-24
Sidestand, checking and lubricating...... 6-30
Spark plugs, checking ............................. 6-8
Specifications .......................................... 8-1
Starting the engine .................................. 5-1
Start switch............................................ 3-13
Steering, checking................................. 6-31
Storage.................................................... 7-3
Storage compartment............................ 3-19
Supporting the motorcycle .................... 6-38TTachometer ............................................. 3-8
Tail/brake light ....................................... 6-36
Throttle cable free play, adjusting ......... 6-19
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