bolt pattern YAMAHA YZF-R1S 2004 User Guide

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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5-50
CLUTCHENG
NOTE:
EAS00276
REMOVING THE CLUTCH
1. Remove:

clutch cover
1

gasket
Loosen each bolt 1 / 4 of a turn at a time, in
stages and in a crisscross pattern.
After all of the bolts are fully loosened, remove
them.
2. Remove:

compression spring bolts
1

compression springs

pressure plate
2

pull rod 3
3. Remove:

friction plate 1
4. Remove:

clutch plate 1
1

friction plate 2
5. Straighten the clutch boss nut rib
1.
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5-56
CLUTCHENG
NOTE:
10 Nm (1.0 m
kg, 7.2 ft
lb)
NOTE:
NOTE: 6. Lubricate:

friction plates

clutch plates
(with the recommended lubricant)
Recommended lubricant
Engine oil
7. Install:

friction plate 2

clutch plate 1
1
8. Install:

friction plate 1
1
Install the last friction plate shifting half phase.
9. Install:

bearing

pull rod
1

pressure plate 2

clutch springs

clutch spring bolts
3
Tighten the clutch spring bolts in stages and in a
crisscross pattern.
10. Install:

pull lever
In stall the pull lever with the “” mark facing to-
ward upper side.
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5-57
CLUTCHENG
NOTE:
12 Nm (1.2 m
kg, 8.7 ft
lb)
12 Nm (1.2 m
kg, 8.7 ft
lb)
NOTE: 11. Install:

clutch cover

clutch cover gasket
New

Install the pull rod so that the teeth a face to-
wards the rear of the motorcycle. Then, install
the clutch cover.

Apply oil onto the bearing.

Apply molybdenum disulfide grease onto the
pull rod.

When installing the clutch cover, push the pull
lever and check that the punch mark
a on the
pull lever aligns with the mark
b on the clutch
cover. Make sure that the pull rod teeth and
pull lever shaft pinion gear are engaged.

Tighten the clutch cover bolts in stages and in
a crisscross pattern.
12. Tighten:

clutch cover bolts
1

clutch cover bolt 2
LOCTITE
Tighten the clutch cover bolts in a stages and in
a crisscross pattern.
13. Adjust:

clutch cable free play
Refer to “ADJUSTING THE CLUTCH
CABLE FREE PLAY” in chapter 3.
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5-66
OIL PAN AND OIL PUMPENG
NOTE:
EAS00362
REMOVING THE OIL PAN
1. Remove:

oil level switch
1

oil pan 2

oil pan gasket

dowel pins
Loosen each bolt 1 / 4 of a turn at a time, in
stages and in a crisscross pattern. After all of
the bolts are fully loosened, remove them.
CHECKING THE SPROCKET AND CHAIN
1. Check:

oil / water pump assembly drive sprocket
1
Cracks / damage / wear
Replace the de-
fective part(-s).
2. Check:

oil / water pump assembly drive chain
1
Damage / stiffness
Replace the oil / water
pump assembly drive chain and oil / water
pump assembly drive sprocket as a set.
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5-71
OIL PAN AND OIL PUMPENG
12 Nm (1.2 m
kg, 8.7 ft
lb)
10 Nm (1.0 m
kg, 7.2 ft
lb)
43Nm (4.3 m
kg, 31 ft
lb)
WARNING
NOTE:
EAS00380
INSTALLING THE OIL PAN
1. Install:

dowel pins

gasket
New

oil pan
1

oil level switch 2

engine oil drain bolt 3
Always use new copper washers.

Tighten the oil pan bolts in stages and in a
crisscross pattern.

Lubricate the oil level switch O-ring with en-
gine oil.
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5-74
CRANKCASEENG
NOTE:
CAUTION:
NOTE:
EAS00384
DISASSEMBLING THE CRANKCASE
1. Place the engine upside down.
2. Remove:

crankcase bolts

Loosen each bolt 1 / 4 of a turn at a time, in
stages and in a crisscross pattern. After all of
the bolts are fully loosened, remove them.

Loosen the bolts in decreasing numerical or-
der (refer to the numbers in the illustration).

The numbers embossed on the crankcase in-
dicate the crankcase tightening sequence.
M9  105 mm (4.1 in) bolts:
1
10
M8  60 mm (2.4 in) bolt: 11 LOCTITE
M8  60 mm (2.4 in) bolts: 12, 16
M6  70 mm (2.8 in) bolts: 19, 21, 23
M6  65 mm (2.5 in) bolts: 17, 18
M6  60 mm (2.4 in) bolts: 22, 24, 25
M6  50 mm (2.0 in) bolts: 20, 26
M8  50 mm (2.0 in) bolts: 13
15
3. Remove:

lower crankcase
Tap on one side of the crankcase with a soft-
face hammer. Tap only on reinforced por-
tions of the crankcase, not on the crankcase
mating surfaces. Work slowly and carefully
and make sure the crankcase halves sepa-
rate evenly.
4. Remove:

dowel pins
5. Remove:

crankshaft journal lower bearing
(from the lower crankcase)
Identify the position of each crankshaft journal
lower bearing so that it can be reinstalled in its
original place.
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