remove seats YAMAHA YZF-R1S 2004 Service Manual

3-3
Order Job / Part Q’ty Remarks
1
2Removing the seats
Rider seat
Passenger seat1
1Remove the parts in the order listed.
For installation, reverse the removal
procedure.
7 Nm (0.7 m
kg, 5.1 ft
lb)
SEATS
CHK
ADJ
EAS00039
SEATS
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3-4
Order Job / Part Q’ty Remarks
1
2
3
4
5
6
7
8
9
10
11Removing the fuel tank
Rider sear
Fuel tank side cover
Fuel hose connector cover
Fuel hose
Fuel return hose
Fuel sender coupler
Fuel pump coupler
Fuel tank over flow hose
Fuel tank breather hose
Fuel tank
Fuel tank cover
Fuel pump2
1
1
1
1
1
1
1
1
1
1Remove the parts in the order listed.
Refer to “SEATS”.
Disconnect.
Disconnect.
Disconnect.
Disconnect.
Disconnect.
Disconnect.
Disconnect.
For installation, reverse the removal
procedure.
10 Nm (1.0 m
kg, 7.2 ft
lb)
10 Nm (1.0 m
kg, 7.2 ft
lb)
4 Nm (0.4 m
kg, 2.9 ft
lb)
4 Nm (0.4 m
kg, 2.9 ft
lb)
FUEL TANK
CHK
ADJ
EAS00040
FUEL TANK
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3-7
Order Job / Part Q’ty Remarks
1
2
3
4
5
6
7
8
9
10
11
12
13Removing the front cowling and
side cowlings
Rider seat
Side cowling
Front turn signal light lead coupler
Side cowling inner panel
Bottom cowling
Bottom cowing front cover
Frame side cover
Frame side panel
Headlight panel
Front cowling
Rear view mirror
Windshield
Air intake duct
Air intake duck mount2
2
2
2
1
2
2
2
1
2
1
2
2Remove the parts in the order listed.
Refer to “SEATS”.
Disconnect.
For installation, reverse the removal
procedure.
7 Nm (0.7 m
kg, 5.1 ft
lb)
7 Nm (0.7 m
kg, 5.1 ft
lb)
16 Nm (1.6 m
kg, 12 ft
lb)
COWLINGS
CHK
ADJ
COWLINGS
FRONT COWLING AND SIDE COWLINGS
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3-8
Order Job / Part Q’ty Remarks
1
2
3
4
5
6Removing the rear cowling
Rider seat and passenger seat
Muffler
Rear cowling (upper)
Tail / brake light lead coupler
Rear turn signal light lead coupler
Tail / brake light
License plate bracket assembly
Rear cowling (lower)1
1
4
1
1
1Remove the parts in the order listed.
Refer to “SEATS”.
Refer to “EXHAUST PIPE” in chapter 5.
Disconnect.
Disconnect.
For installation, reverse the removal
procedure.
4 Nm (0.4 m
kg, 2.9 ft
lb)10 Nm (1.0 m
kg, 7.2 ft
lb)
COWLINGS
CHK
ADJ
REAR COWLING
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3-10
Order Job / Part Q’ty Remarks
1
2
3
4
5
6
7
8
9
10Removing the air filter case
Rider sear
Fuel tank
Plug
Air temperature sensor lead coupler
Spacer
Air temperature sensor
Air filter case cover
Air filter
Funnel
Air filter case
Air induction system hose
Crankcase breather hose1
1
1
1
1
1
2
1
1
1Remove the parts in the order listed.
Refer to “SEATS”.
Refer to “FUEL TANK”.
Disconnect.
Disconnect.
Disconnect.
For installation, reverse the removal
procedure.
2 Nm (0.2 m
kg, 1.4 ft
lb)
3.4 Nm (0.34 m
kg, 2.5 ft
lb)
AIR FILTER CASE
CHK
ADJ
AIR FILTER CASE
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3-11
ADJUSTING THE VALVE CLEARANCE
CHK
ADJ
NOTE:
EAS00045
ENGINE
ADJUSTING THE VALVE CLEARANCE
The following procedure applies to all of the
valves.

Valve clearance adjustment should be made
on a cold engine, at room temperature.

When the valve clearance is to be measured or
adjusted, the piston must be at top dead center
(TDC) on the compression stroke.
1. Remove

rider seat
Refer to “SEATS”.

fuel tank
Refer to “FUEL TANK”.

air filter case
Refer to “AIR FILTER CASE”.

bottom cowlings

side cowlings
Refer to “COWLINGS”.

throttle body assembly
Refer to “THROTTLE BODIES” in chapter 7.

air cut-off valve
Refer to “AIR INDUCTION SYSTEM” in
chapter 7.

radiator

radiator fan motor
Refer to “RADIATOR” in chapter 6.
2. Remove

ignition coils

spark plugs

cylinder head cover

cylinder head cover gasket
Refer to “CAMSHAFT” in chapter 5.
3. Remove

pickup rotor cover
1
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3-17
ADJUSTING THE VALVE CLEARANCE /
SYNCHRONIZING THE THROTTLE BODIESCHK
ADJ
NOTE:
NOTE:
NOTE:
7. Install:

all removed parts
For installation, reverse the removal procedure.
SYNCHRONIZING THE THROTTLE BODIES
Prior to synchronizing the throttle bodies, the
valve clearance and the engine idling speed
should be properly adjusted and the ignition tim-
ing should be checked.
1. Stand the motorcycle on a level surface.
Place the motorcycle on a suitable stand.
2. Remove:

rider seat
Refer to “SEATS”.

fuel tank
Refer to “FUEL TANK”.
3. Remove:

synchronizing hoses
1
4. Install:

vacuum gauge
1
(onto the synchronizing hose)

digital tachometer
(near the spark plug)
Vacuum gauge
90890-03094, YU-08030
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3-19
SYNCHRONIZING THE THROTTLE BODIES /
ADJUSTING THE EXHAUST GAS VOLUMECHK
ADJ
NOTE:
NOTE: 9. Measure:

engine idling speed
Out of specification
Adjust.
Make sure that the vacuum pressure is within
specification.
10. Stop the engine and remove the measuring
equipment.
11. Adjust:

throttle cable free play
Refer to “ADJUSTING THE THROTTLE
CABLE FREE PLAY”.
Throttle cable free play
(at the flange of the throttle grip)
3  5 mm (0.12  0.20 in)
13. Install:

synchronizing hoses

fuel tank
Refer to “FUEL TANK”.

rider seat
Refer to “SEATS”.
ADJUSTING THE EXHAUST GAS VOLUME
Be sure to set the carbon monoxide density to
standard, and then adjust the exhaust gas.
1. Turn the main switch to “OFF” and engine
stop switch “ON”.
2. While keeping the “SELECT” and “RESET”
buttons pressed simultaneously, turn “ON”
the main switch (keep them pressed for 8 se-
conds or more).
All indications on the meter disappear except
the clock and trip indications.
Letters “dIAG” appear on the clock LCD.
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3-32
ADJUSTING THE CLUTCH CABLE FREE PLAY /
REPLACING THE AIR FILTER ELEMENTCHK
ADJ
a
b
NOTE: Engine side
a. Loosen the locknut
1.
b. Turn the adjusting nut
2 in direction a or b
until the specified clutch cable free play is ob-
tained.
Direction
Clutch cable free play is
increased.
DirectionClutch cable free play is
decreased.
c. Tighten the locknuts.
Lock nut
7Nm (0.7 m
kg, 5.1 ft
lb)
EAS00086
REPLACING THE AIR FILTER ELEMENT
1. Remove:

rider seat
Refer to “SEATS”.

fuel tank
Refer to “FUEL TANK”.
2. Remove:

air filter case cover
1
3. Check:

air filter element
1
Damage
Replace.
Replace the air filter element at periodic inter-
vals of 40,000 km travel.
The air filter needs more frequent service if you
are riding in unusuallu wet or dusty areas.
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3-33
REPLACING THE AIR FILTER ELEMENT /
CHECKING THE FUEL AND BREATHER HOSESCHK
ADJ
CAUTION:
NOTE:
NOTE: 4. Install:

air filter case cover
Never operate the engine without the air fil-
ter element installed. Unfiltered air will
cause rapid wear of engine parts and may
damage the engine. Operating the engine
without the air filter element will also affect
the throttle bodies tuning, leading to poor
engine performance and possible overheat-
ing.
When installing the air filter element into the air
filter case cover, make sure their sealing sur-
faces are aligned to prevent any air leaks.
5. Install:

fuel tank
Refer to “FUEL TANK”.

rider seat
Refer to “SEATS”.
EAS00096
CHECKING THE FUEL AND BREATHER
HOSES
The following procedure applies to all of the fuel
and breather hoses.
1. Remove:

rider seat
Refer to “SEATS”.

fuel tank
Refer to “FUEL TANK”.
2. Check:

breather hose
1

fuel hose 2
Cracks / damage
Replace.
Loose connection
Connect properly.
Before removing the fuel hoses, place a few
rags in the area under where it will be removed.
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