YAMAHA YZF-R1SC 2004 Service Manual

5-59
SHIFT SHAFTENG
Order Job / Part Q’ty Remarks
10
11
12
13Oil seal
Bearing
Bearing
Stopper lever spring1
1
1
1
For installation, reverse the removal
procedure.
22 Nm (2.2 m
kg, 16 ft
lb)
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5-60
SHIFT SHAFTENG
REMOVING THE SHIFT SHAFT
1. Remove:

left and right side cowlings

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

clutch assembly
Refer to “CLUTCH”.
3. Remove:

shift arm

shift rod
Refer to “ENGINE”.
4. Remove:

circlip
1

Washer 2
(left side of the engine)
5. Remove:

shift shaft
1

shift shaft spring 2

collar

washer
6. Remove:

stopper lever spring
1

stopper screw 2

stopper lever 3

washer
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5-61
SHIFT SHAFTENG
22 Nm (2.2 m
kg, 16 ft
lb)
NOTE: CHECKING THE SHIFT SHAFT
1. Check:

shift shaft
1
Bends / damage / wear
replace.

shift shaft spring
2

collar 3
Damage / wear
Replace.
CHECKING THE STOPPER LEVER
1. Check:

stopper lever
1
Bends / damage
Replace.
Roller turns roughly
Replace the stopper
lever.
INSTALLING THE SHIFT SHAFT
1. Install:

washer

stopper lever
1

stopper screw 2
LOCTITE

stopper lever spring 3
2. Install:

washer

collar

shift shaft spring
1

shift shaft 2

Mesh the stopper lever with the shift drum seg-
ment assembly.

Lubricate the oil seal lips with lithium soap
base grease.

Install the end of the shift shaft spring onto the
shift shaft spring stopper.
3. Install:

Washer
1

circlip 2 New
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5-62
SHIFT SHAFTENG
4. Install:

shift rod

shift arm
Refer to “ENGINE”.
5. Install:

clutch assembly
Refer to “CLUTCH”.
6. Install:

left and side cowling

bottom cowlings
Refer to “COWLING” in chapter 3.
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5-63
Order Job / Part Q’ty Remarks
1
2
3
4
5
6
7
8Removing the oil pan and oil pump
Side cowlings
Bottom cowlings
Engine oil
Exhaust pipe and exhaust valve pipe
Clutch assembly
Water pump inlet pipe
Water pump outlet pipe
Oil level switch lead coupler
Oil level switch
Oil level switch lead holder
Oil pan
Oil pan gasket
Dowel pin
Drain pipe
Oil strainer1
1
1
1
1
2
1
1Remove the parts in the order listed.
Drain.
Refer to “CHANGING THE ENGINE OIL”
in chapter 3.
Refer to “EXHAUST PIPE”.
Refer to “CLUTCH”.
Refer to “OIL COOLER” in chapter 6.
Disconnect.
Refer to “COWLINGS” in chapter 3.
10 Nm (1.0 m
kg, 7.2 ft
lb)
10 Nm (1.0 m
kg, 7.2 ft
lb)
10 Nm (1.0 m
kg, 7.2 ft
lb)10 Nm (1.0 m
kg, 7.2 ft
lb)
12 Nm (1.2 m
kg, 8.7 ft
lb)43 Nm (4.3 m
kg, 31 ft
lb)
12 Nm (1.2 m
kg, 8.7 ft
lb)
OIL PAN AND OIL PUMPENG
EAS00356
OIL PAN AND OIL PUMP
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5-64
OIL PAN AND OIL PUMPENG
Order Job / Part Q’ty Remarks
9
10
11
12
13
14
15
16
17
18Oil pipe
Oil delivery pipe
Relief valve assembly
Oil / water pump assembly drive
chain guide
Collar
Oil / water pump assembly drive
sprocket
Washer
Oil / water pump assembly drive chain
Dowel pin
Oil / water pump assembly1
1
1
1
1
1
1
1
1
1
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)
10 Nm (1.0 m
kg, 7.2 ft
lb)10 Nm (1.0 m
kg, 7.2 ft
lb)
12 Nm (1.2 m
kg, 8.7 ft
lb)43 Nm (4.3 m
kg, 31 ft
lb)
12 Nm (1.2 m
kg, 8.7 ft
lb)
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5-65
Order Job / Part Q’ty Remarks
Disassembling the oil pump
Oil / water pump driven sprocket
Collar
Oil pump housing
Bearing
Pin
Oil pump outer rotor
Oil pump inner rotor
Pin1
1
1
1
2
1
1
1Disassemble the parts in the order listed.
For assembly, reverse the disassembly
procedure.
1
2
3
4
5
6
7
8
15 Nm (1.5 m
kg, 11 ft
lb)
OIL PAN AND OIL PUMPENG
EAS00360
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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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5-67
OIL PAN AND OIL PUMPENG
EAS00364
CHECKING THE OIL PUMP
1. Check:

oil pump driven gear
1

oil pump rotor housing 2

oil pump cover
Cracks / damage / wear
Replace the de-
fective part(s).
2. Measure:

inner-rotor-to-outer-rotor-tip clearance
a

outer-rotor-to-oil-pump-housing clearance
b
1Inner rotor
2Outer rotor
3Oil pump housing
Inner-rotor-to-outer-rotor-tip
clearance
0.01
0.10 mm
(0.0004
0.0039 in)
: 0.18 mm (0.0071 in)
Outer-rotor-to-oil-pump-housing
clearance
0.09
0.15 mm
(0.0035
0.0059 in)
: 0.22 mm (0.0087 in)
3. Check:

oil pump operation
Rough movement
Repeat steps (1) and
(2) or replace the defective part(s).
EAS00365
CHECKING THE RELIEF VALVE
1. Check:

relief valve body
1

relief valve 2

spring 3

O-ring 4
Damage / wear
Replace the defective
part(s).
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5-68
OIL PAN AND OIL PUMPENG
EAS00367
CHECKING THE OIL DELIVERY PIPE AND
OIL PIPE
1. Check:

oil delivery pipe
1

oil pipe 2
Damage
Replace.
Obstruction
Wash and blow out with com-
pressed air.
EAS00368
CHECKING THE OIL STRAINER
1. Check:

oil strainer
1
Damage
Replace.
Contaminants
Clean with solvent.
EAS00373
CHECKING THE OIL NOZZLES
The following procedure applies to all of the oil
nozzles.
1. Check:

oil nozzle
1
Damage / wear
Replace the oil nozzle.

O-ring
2
Damage / wear
Replace.

oil nozzle passage
Obstruction
Blow out with compressed air.
EAS00374
ASSEMBLING THE OIL PUMP
1. Lubricate:

inner rotor

outer rotor

oil pump shaft
(with the recommended lubricant)
Recommended lubricant
Engine oil
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