2004 YAMAHA YZF-R1SC engine oil

5-20
CAMSHAFTENG
10 Nm (1.0 m
kg, 7.2 ft
lb)
NOTE:
CAUTION:
24 Nm (2.4 m
kg, 17 ft
lb)
CAUTION:
5. Install:

camshaft cap bolts
Tighten the camshaft cap bolts in stages and in
a crisscross pattern, working from the inner
caps out.

Lubricate the camshaft cap bolts with the
engine oil.

The camshaft cap bolts must be tightened
evenly or damage to the cylinder head,
camshaft caps, and camshafts will result.

Do not turn the crankshaft when installing
the camshaft to avoid damage or improper
valve timing.
6. Tighten:

camshaft sprocket bolts
1
Camshaft wrench
90890-04143
Be sure to tighten the camshaft sprocket
bolts to the specified torque to avoid the
possibility of the bolts coming loose and
damaging the engine.
7. Align:

camshaft punch mark
a
Align the camshaft punch mark a and the
camshaft cap arrow mark
b.
Camshaft wrench
90890-04143
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5-24
CYLINDER HEADENG
8 Nm (0.8 m
kg, 5.8 ft
lb)
NOTE:
NOTE:
19 Nm (1.9 m
kg, 14 ft
lb)
67 Nm (6.7 m
kg, 48 ft
lb)
12 Nm (1.2 m
kg, 8.7 ft
lb)
NOTE:
EAS00233
INSTALLING THE CYLINDER HEAD
1. Check:

cylinder head bolts
1
Retighten the cylinder head bolts to specifica-
tion, before installing the cylinder head.
2. Install:

gasket
New
1

dowel pins
3. Install:

cylinder head
Pass the timing chain through the timing chain
cavity.
4. Tighten:

cylinder head nuts
1
10
1st
2nd

cylinder head bolts
11 12

First, tighten the nuts 1
10 to approximate-
ly 19 Nm (1.9 m
kg, 14 ft
lb) with a torque
wrench, and then tighten the 67 Nm (6.7 m
kg,
48 ft
lb).

Lubricate the cylinder head nuts with engine
oil.

Tighten the cylinder head nuts in the proper
tightening sequence as shown and torque
them in two stages.
5. Install:

exhaust camshaft

intake camshaft
Refer to “INSTALLING THE CAMSHAFTS”.
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5-35
Order Job / Part Q’ty Remarks
1
2
3
4
5
6
7
8
9Removing the stator coil assembly
Rider seat
Fuel tank
Left side cowling
Bottom cowlings
Engine oil
Stator coil assembly lead coupler
Plug
Generator rotor cover
Gasket
Dowel pin
Generator rotor assembly
Dowel pin
Bearing housing
Collar1
1
1
1
2
1
2
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.
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)
10 Nm (1.0 m
kg, 7.2 ft
lb)
10 Nm (1.0 m
kg, 7.2 ft
lb)
14 Nm (1.4 m
kg, 10 ft
lb)
22 Nm (2.2 m
kg, 16 ft
lb)
22 Nm (2.2 m
kg, 16 ft
lb)
STARTER CLUTCH AND GENERATORENG
STARTER CLUTCH AND GENERATOR
STATOR COIL ASSEMBLY
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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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5-41
STARTER CLUTCH AND GENERATORENG
NOTE:
NOTE:
10 Nm (1.0 m
kg, 7.2 ft
lb)
INSTALLING THE STARTER CLUTCH
1. Install:

generator rotor
1

damper 2

driven gear 3

The hole side of the damper is installed to the
generator side.

Lubricate the engine oil
4.
2. Install:

starter clutch drive gear
1

collar 2

washer 3
Refer to “CHECKING THE STARTER
CLUTCH”.
3. Install:

washer
1

O-ring 2 New

spacer
3
Lubricate the engine oil to O-ring.
INSTALLING THE GENERATOR
1. Install:

idle gear shaft

idle gear
1

washer

idle gear shaft bolt
2
LOCTITE
2. Install:

generator rotor and starter clutch assembly
1
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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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