2004 YAMAHA YZF-R1S fuel

5-38
STARTER CLUTCH AND GENERATORENG
NOTE: REMOVING THE GENERATOR
1. Remove:

rider seat

fuel tank
Refer to “SEATS” and “FUEL TANK” in chapter
3.
2. Remove:

left side cowling

bottom cowlings
Refer to “COWLINGS” in chapter 3.
3. Drain:

engine oil
Refer to “CHANGING THE ENGINE OIL” in
chapter 3.
4. Remove:

plug

generator rotor cover
1

While pushing generator rotor, remove the
generator rotor cover.

Loosen each bolt 1 / 4 of a turn a time, in stages
and in a crisscross pattern.

After all of the bolts are fully loosened, remove
them.
5. Remove:

generator rotor and starter clutch assembly
1.
6. Remove:

idler gear shaft bolt
1

idler shaft

idler gear
2
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5-42
STARTER CLUTCH AND GENERATORENG
12 Nm (1.2 m
kg, 8.7 ft
lb)
22 Nm (2.2 m
kg, 16 ft
lb)
NOTE: 3. Install:

generator cover gasket

generator cover
1
(M6 bolts)
(M8 bolts)

First tighten the M8 bolts and then tighten the
M6 bolts.

Tighten the generator rotor cover bolts in
stages and in a crisscross pattern.
4. Fill:

engine oil
Refer to “CHANGING THE ENGINE OIL” in
chapter 3.
5. Install:

bottom cowling

left side cowling
Refer to “COWLINGS” in chapter 3.
6. Install:

fuel tank

rider seat
Refer to “SEATS” and “FUEL TANK” in chap-
ter 3.
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5-43
Order Job / Part Q’ty Remarks
1
2
3
4
5
6Removing the crankshaft position
sensor
Rider seat
Fuel tank
Side cowlings
Bottom cowlings
Engine oil
Crankshaft position sensor lead coupler
Crankshaft position sensor
O-ring
Pickup rotor cover
Gasket
Cover1
1
1
1
1
1Remove the parts in the order listed.
Refer to “SEATS” in chapter 3.
Refer to “FUEL TANK” in chapter 3.
Refer to “COWLINGS” in chapter 3.
Drain.
Refer to “CHANGING THE ENGINE OIL”
in chapter 3.
Disconnect.
For installation, reverse the removal
procedure.
10 Nm (1.0 m
kg, 7.2 ft
lb)
12 Nm (1.2 m
kg, 8.7 ft
lb)
12 Nm (1.2 m
kg, 8.7 ft
lb)
12 Nm (1.2 m
kg, 8.7 ft
lb)
CRANKSHAFT POSITION SENSORENG
CRANKSHAFT POSITION SENSOR
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5-44
CRANKSHAFT POSITION SENSORENG
NOTE:
12 Nm (1.2 m
kg, 8.7 ft
lb)
10 Nm (1.0 m
kg, 7.2 ft
lb)
REMOVING THE CRANKSHAFT POSITION
SENSOR
1. Remove:

rider seat

fuel tank
Refer to “SEATS” and “FUEL TANK” in chap-
ter 3.
2. Remove:

right side cowling

bottom cowlings
Refer to “COWLINGS” in chapter 3.
3. Drain:

engine oil
Refer to “CHANGING THE ENGINE OIL” in
chapter 3.
4. Disconnect:

crankshaft position sensor lead coupler
5. Remove:

crankshaft position sensor

O-ring

pickup rotor cover
1
Loosen each bolt 1 / 4 of a turn a time, in stages
and in a crisscross pattern.
After all of the bolts are fully loosened, remove
them.
INSTALLING THE CRANKSHAFT POSITION
SENSOR
1. Install:

gasket
New

pickup rotor cover
1

O-ring New

crankshaft position sensor
LOCTITE
2. Connect:

crankshaft position sensor lead coupler
3. Fill:

engine oil
Refer to “CHANGING THE ENGINE OIL” in
chapter 3.
4. Install:

right side cowling

bottom cowlings
Refer to “COWLINGS” in chapter 3.
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5-45
CRANKSHAFT POSITION SENSORENG
5. Install:

rider seat

fuel tank
Refer to “SEATS” and “FUEL TANK” in chap-
ter 3.
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6-1
Order Job / Part Q’ty Remarks
1
2
3
4
5Removing the radiator
Rider seat
Fuel tank
Air filter case
Side cowlings
Bottom cowling
Coolant
Fuse box stay
Coolant reservoir hose
Radiator
Radiator fan motor
Radiator inlet hose1
1
1
2
1Remove the parts in the order listed.
Refer to “AIR FILTER CASE” in chapter 3.
Drain.
Refer to “CHANGING THE COOLANT” in
chapter 3.
Disconnect.
Refer to “COWLINGS” in chapter 3.
Refer to “SEATS” in chapter 3.
10 Nm (1.0 m
kg, 7.2 ft
lb)
10 Nm (1.0 m
kg, 7.2 ft
lb)
5 Nm (0.5 m
kg, 3.6 ft
lb)
10 Nm (1.0 m
kg, 7.2 ft
lb)
RADIATORCOOL
EAS00454
COOLING SYSTEM
RADIATOR
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6-8
Order Job / Part Q’ty Remarks
1
2
3
4
5Removing the thermostat assembly
Rider seat
Fuel tank
Air filter case
Coolant
Thermostat assembly outlet hose
Thermostat assembly breather hose
Thermostat assembly
Thermostat assembly inlet hose
Band1
1
1
1
2Remove the parts in the order listed.
Refer to “SEATS” in chapter 3.
Refer to “FUEL TANK” in chapter 3.
Refer to “AIR FILTER CASE” in chapter 3.
Drain.
Refer to “CHANGING THE COOLANT” in
chapter3.
For installation, reverse the removal
procedure.
THERMOSTATCOOL
EAS00460
THERMOSTAT
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7-1
FUEL INJECTION SYSTEMFI
19Atmospheric pressure
sensor
20Fuel injection system
relay
21Engine trouble warning
light
22Lean angle cut-off
switch
23Air cut-off valve
13Coolant temperature
sensor
14Spark plug
15Cylinder identification
sensor
16Pressure regulator
17Battery
18ECU
1Ignition coil
2Air filter case
3Intake temperature
sensor
4Fuel delivery hose
5Fuel tank
6Fuel pump
7Fuel return hose
8Intake air presure sen-
sor
9Throttle position sen-
sor
10Fuel injector
11Catalytic converter
12Crankshaft position
sensor
FUEL INJECTION SYSTEM
FUEL INJECTION SYSTEM
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