2003 YAMAHA YZF-R6 air filter

PERIODIC MAINTENANCE AND MINOR REPAIR
6-12
6 7. Apply a thin coat of engine oil to
the O-ring of the new oil filter car-
tridge.
NOTE:_ Make sure that the O-ring is properly
seated. _
8. Install the new oil filter cartridge
with an oil filter wrench, and then
tighten it to the specified torque
with a torque wrench.
9. Install the cowling.
10. Install the coolant reservoir cover
by installing the bolts.
11. Install the engine oil drain bolt, and
then tighten it to the specified
torque.
NOTE:_ Check the washer for damage and re-
place it if necessary. _12. Add the specified amount of the
recommended engine oil, and
then install and tighten the oil filler
cap.
1. O-ring
1. Torque wrenchTightening torque:
Oil filter cartridge:
17 Nm (1.7 m·kgf)
Tightening torque:
Engine oil drain bolt:
43 Nm (4.3 m·kgf)
Recommended engine oil:
See page 8-1.
Oil quantity:
Without oil filter cartridge
replacement:
2.4 L
With oil filter cartridge
replacement:
2.6 L
Total amount (dry engine):
3.4 L
U5SLE0.book Page 12 Wednesday, September 11, 2002 11:46 AM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-19
622. Install the radiator cap, start the
engine, let it idle for several min-
utes, and then turn it off.
23. Remove the radiator cap to check
the coolant level in the radiator. If
necessary, add sufficient coolant
until it reaches the top of the radia-
tor, and then install the radiator
cap.
24. Start the engine, and then check
the vehicle for coolant leakage. If
coolant is leaking, have a Yamaha
dealer check the cooling system.
25. Connect the air intake duct, and
then tighten the clamp screw.
26. Install the panel and the cowling.
EAU04946*
Checking the air filter element The air filter element should be
checked at the intervals specified in the
periodic maintenance and lubrication
chart. Check the air filter element more
frequently if you are riding in unusually
wet or dusty areas.
1. Remove the rider seat. (See page
3-19 for rider seat removal and in-
stallation procedures.)
2. Remove the fuel tank bolts and
slightly lift the fuel tank.
1. Bolt (× 2)
U5SLE0.book Page 19 Wednesday, September 11, 2002 11:46 AM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-20
6 3. Disconnect the fuel tank breather
hose and fuel tank overflow hose
from the fuel tank.
NOTE:_ Before disconnecting the fuel tank
breather hose and fuel tank overflow
hose, mark them to ensure that they
will be reinstalled in their correct posi-
tions. _
4. Tilt the front of the fuel tank back to
position the tank away from the air
filter case, and then support the
tank as shown.
EW000071
WARNING
_

Make sure that the fuel tank is
well supported.


Do not tilt or pull the fuel tank
too much, otherwise the fuel
hoses may come loose, which
could cause fuel leakage.
_
5. Remove the air filter case cover by
removing the screws.
1. Fuel tank breather hose
2. Fuel tank overflow hose
1. Screw (× 6)
2. Air filter case cover
U5SLE0.book Page 20 Wednesday, September 11, 2002 11:46 AM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-21
66. Pull the air filter element out.
7. Check the condition of the air filter
element and replace it if it is dam-
aged or excessively dusty.
8. Insert the element into the air filter
case.
EC000082*
CAUTION:_

Make sure that the air filter ele-
ment is properly seated in the
air filter case.


The engine should never be op-
erated without the air filter ele-
ment installed, otherwise the
pistons and/or cylinders may
become excessively worn.
_9. Install the air filter case cover by
installing the screws.10. Connect the fuel tank breather
hose and fuel tank overflow hose
to the fuel tank.
11. Place the fuel tank in the original
position, and then install the bolts.
1. Air filter element
1. Fuel tank breather hose
2. Fuel tank overflow hose
U5SLE0.book Page 21 Wednesday, September 11, 2002 11:46 AM

SPECIFICATIONS
8-2
8
Cooling system capacity
(total amount)
2.15 L
Air filterWet element
Fuel
Type PREMIUM UNLEADED
GASOLINE ONLY
Fuel tank capacity 17 L
Amount remaining when the
fuel level warning light comes
on 3.5 L
Electric fuel injection
ModelINP-250/4
Manufacturer NIPPON INJECTOR
Spark plug
Manufacturer/type NGK / CR9EK, CR10EK
Gap 0.6–0.7 mm
Clutch typeWet, multiple-disc
Transmission
Primary reduction system Spur gear
Primary reduction ratio 1.955
Secondary reduction system Chain drive
Secondary reduction ratio 3.000
Number of drive chain
sprocket teeth (front/rear) 16/48
Transmission type Constant-mesh 6-speed
Operation Left footGear ratio
1st 2.846
2nd 1.947
3rd 1.556
4th 1.333
5th 1.190
6th 1.083
Chassis
Frame type Diamond
Caster angle 24°
Trail 86 mm
Tires
Front
Type Tubeless tire
Size 120/60 ZR17 M/C (55 W)
Manufacturer/model Michelin / Pilot SPORT N
Dunlop / D208F L
Rear
Type Tubeless tire
Size 180/55 ZR17 M/C (73 W)
Manufacturer/model Michelin / Pilot SPORT B
Dunlop / D208 L
U5SLE0.book Page 2 Wednesday, September 11, 2002 11:46 AM

10-INDEXAAir filter element, checking ..................... 6-19
Air intake duct ........................................ 6-22
Anti-theft alarm ...................................... 3-13
Auxiliary light bulb, replacing .................. 6-43BBattery ................................................... 6-38
Brake and clutch levers, checking and
lubricating ............................................ 6-35
Brake and shift pedals, checking and
lubricating ............................................ 6-35
Brake fluid, changing ............................. 6-32
Brake fluid level, checking...................... 6-31
Brake lever............................................. 3-16
Brake light switch (rear), adjusting ......... 6-29
Brake pads, checking............................. 6-30
Brake pedal............................................ 3-16
Brake pedal position, adjusting .............. 6-29CCables, checking and lubricating............ 6-34
Care.........................................................7-1
Catalytic converter ................................. 3-19
Clutch lever ............................................ 3-15
Clutch lever free play, adjusting ............. 6-27
Conversion table ......................................8-5
Coolant .................................................. 6-13
Changing .......................................... 6-15
Checking .......................................... 6-13
Coolant temperature warning light............3-6
Cowlings and panels, removing and
installing ................................................6-5
DDimmer switch ....................................... 3-13
Drive chain, lubricating .......................... 6-33
Drive chain slack ................................... 6-32
Adjusting .......................................... 6-33
Checking .......................................... 6-32EEngine break-in ....................................... 5-3
Engine idling speed ............................... 6-23
Engine oil and oil filter cartridge ............... 6-9
Engine stop switch................................. 3-14
Engine trouble warning light .................... 3-5FFront fork, adjusting ............................... 3-23
Front fork, checking ............................... 6-37
Fuel ....................................................... 3-17
Fuel consumption, tips for reducing ......... 5-3
Fuel level warning light ............................ 3-4
Fuel tank breather hose ......................... 3-18
Fuel tank cap ......................................... 3-17
Fuses, replacing .................................... 6-40HHandlebar switches ............................... 3-13
Hazard switch ........................................ 3-14
Headlight bulb, replacing ....................... 6-41
Helmet holders ...................................... 3-21
High beam indicator light ......................... 3-5
Horn switch ........................................... 3-14
IIdentification numbers ..............................9-1
Ignition circuit cut-off system ..................3-28
Immobilizer system..................................3-1
Immobilizer system indicator light.............3-6
Indicator and warning lights......................3-4KKey identification number .........................9-1LLicense plate light bulb, replacing...........6-45
Luggage strap holders ...........................3-27MMain switch/steering lock .........................3-2
Model label ..............................................9-2
Multi-function display................................3-8NNeutral indicator light ...............................3-5OOil level warning light ...............................3-5PParking.....................................................5-4
Part locations ...........................................2-1
Pass switch ............................................3-13
Periodic maintenance and
lubrication chart .....................................6-2
Pre-operation check list ............................4-1
U5SLE0.book Page 1 Wednesday, September 11, 2002 11:46 AM