water pump YAMAHA YZF-R1SC 2004 User Guide

3-38
CHECKING THE COOLING SYSTEM
CHK
ADJ
EAS00104
CHECKING THE COOLING SYSTEM
1. Remove:

bottom cowlings

side cowlings
Refer to “COWLINGS”.
2. Check:

radiator
1

radiator inlet hose 2

radiator outlet hose 3

oil cooler 4

oil cooler inlet hose 5

oil cooler outlet hose 6

water jacket joint 7

water jacket joint inlet hose 8

water pump inlet pipe 9

water pump outlet pipe 10
Cracks / damage
Replace.
Refer to “COOLING SYSTEM” in chapter 6.
3. Install:

side cowlings

bottom cowling
Refer to “COWLINGS”.
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3-40
CHANGING THE COOLANT
CHK
ADJ
10 Nm (1.0 m
kg, 7.2 ft
lb)
WARNING
7. Drain:

coolant
(water pump inlet pipe and outlet pipe)
8. Check:

copper washers
1 New
9. Install:

coolant drain bolts
2
(with copper washers)
10. Install:

coolant reservoir tank
11. Connect:

coolant reservoir hose
12. Fill:

cooling system
(with the specified amount of the recom-
mended coolant)
Recommended antifreeze
High-quality ethylene glycol
antifreeze containing corrosion
inhibitors for aluminum engines
Mixing ratio
1:1 (antifreeze:water)
Quantity
Total amount
2.51 L
(2.21 Imp qt, 2.65 US qt)
Coolant reservoir capacity
0.25 L
(0.22 Imp qt, 0.26 US qt)
Handling notes for coolant
Coolant is potentially harmful and should be
handled with special care.

If coolant splashes in your eyes, thorough-
ly wash them with water and consult a doc-
tor.

If coolant splashes on your clothes, quick-
ly wash it away with water and then with
soap and water.

If coolant is swallowed, induce vomiting
and get immediate medical attention.
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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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5-69
OIL PAN AND OIL PUMPENG
NOTE:
15 Nm (1.5 m
kg, 11 ft
lb)
NOTE:
12 Nm (1.2 m
kg, 8.7 ft
lb)
2. Install:

pin
1

inner rotor 2

outer rotor 3

oil pump housing 4
When installing the inner rotor, align the pin 1 in
the oil pump shaft with the groove
a in the inner
rotor
2.
3. Install:

oil / water pump driven sprocket
1
LOCTITE
5VY mark of the oil / water pump driven gear is
installed at oil pump side.
4. Check:

oil pump operation
Refer to “CHECKING THE OIL PUMP”.
INSTALLING THE OIL / WATER PUMP
ASSEMBLY
1. Install:

O-ring
New

oil / water pump assembly
1

dowel pin

bolts
2
LOCTITE
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5-70
OIL PAN AND OIL PUMPENG
NOTE:
CAUTION:
10 Nm (1.0 m
kg, 7.2 ft
lb)
NOTE:
10 Nm (1.0 m
kg, 7.2 ft
lb)
10 Nm (1.0 m
kg, 7.2 ft
lb)
2. Install:

washer

oil / water pump assembly drive chain
1

oil / water pump assembly drive sprocket 2

collar
Install the oil / water pump assembly drive chain
1 onto the oil / water pump assembly drive
sprocket
2.
After installing the oil / water pump assem-
bly drive chain and drive sprocket, make
sure the oil / water pump turns smoothly.
3. Install:

oil / water pump assembly drive chain guide
1
LOCTITE
“UP” mark of the oil / water pump assembly drive
chain guide is upward.
4. Install:

oil delivery pipe
1
LOCTITE
5. Install:

relief valve
1

O-ring New

oil strainer
2
LOCTITE

O-ring New

oil pipe
3

O-ring New

drain pipe
4

O-ring New
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6-2
6
RADIATORCOOL
Order Job / Part Q’ty Remarks
6
7
8
9
10
11Radiator inlet pipe
Oil cooler outlet hose
Water pump breather hose
Radiator outlet hose
Water pump inlet pipe
O-ring1
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)
5 Nm (0.5 m
kg, 3.6 ft
lb)
10 Nm (1.0 m
kg, 7.2 ft
lb)
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6-5
Order Job / Part Q’ty Remarks
1
2
3
4
5
6
7
8
9Removing the oil cooler
Engine oil
Oil cooler inlet hose
Bolt
Washer
Oil cooler
O-ring
Water pump outlet pipe
O-ring
Water jacket joint inlet hose
O-ring1
1
1
1
1
1
1
1
1Remove the parts in the order listed.
Drain.
Refer to “CHANGING THE ENGINE OIL”
in chapter 3.
10 Nm (1.0 m
kg, 7.2 ft
lb)
10 Nm (1.0 m
kg, 7.2 ft
lb)
63 Nm (6.3 m
kg, 46 ft
lb)
OIL COOLERCOOL
EAS00457
OIL COOLER
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