WATER PUMP
6-8
EAS30446
DISASSEMBLING THE WATER PUMP
1. Remove:
• Mechanical seal assembly “1”
TIP
Remove the mechanical seal assembly from the
inside of the clutch cover “2”.
EAS30447
CHECKING THE WATER PUMP
1. Check:
• Water pump housing
• Clutch cover
• Impeller shaft
Cracks/damage/wear
→
Replace.
2. Check:
• Radiator outlet hose
Cracks/damage
→
Replace.
EAS30448
ASSEMBLING THE WATER PUMP
1. Install:
• Mechanical seal assembly “1”
(into the clutch cover “2”)
TIP
Install the mechanical seal assembly with the
special tools to the specified depth as shown in
the illustration.
2. Install:
• Impeller shaft “1”
• Impeller shaft retaining plate “2”
• Washer “3”
• Pin “4”
• Water pump driven gear “5”
• Washer “6”
• Circlip “7”
TIP
• After installing the impeller shaft, inject a small
amount of molybdenum disulfide oil into the
hole “a” in the clutch cover.
• After installation, check that the impeller shaft
rotates smoothly.
Install depth “a”
0.2–0.7 mm (0.01–0.03 mm)
Mechanical seal installer
90890-04145
Middle driven shaft bearing driv-
er
90890-04058
Middle drive bearing installer 40
& 50 mm
YM-04058
1
2
New
3. Mechanical seal installer
4. Middle driven shaft bearing driver
A. Push down
T
R
.
.
Impeller shaft retaining plate bolt
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
LOCTITE®
3
1
2
4
A
New
a
New
a
1
Summary of Contents for YZF-R25
Page 1: ......
Page 2: ......
Page 3: ......
Page 6: ......
Page 8: ......
Page 25: ...BASIC SERVICE INFORMATION 1 16 ...
Page 32: ...SPECIAL TOOLS 1 23 ...
Page 49: ...TIGHTENING TORQUES 2 16 2 6 8 5 4 1 2 6 3 7 2 10 9 A ...
Page 66: ...COOLING SYSTEM DIAGRAMS 2 33 EAS20020 COOLING SYSTEM DIAGRAMS 1 2 3 1 5 4 4 ...
Page 99: ......
Page 128: ...PERIODIC MAINTENANCE 3 29 ...
Page 146: ...GENERAL CHASSIS 5 4 15 1 b b a a 2 ...
Page 200: ...FRONT FORK 4 69 2 b a 1 ...
Page 209: ...SWINGARM AND REAR SHOCK ABSORBER ASSEMBLY 4 78 2 1 1 1 a A B ...
Page 214: ...CHAIN DRIVE 4 83 ...
Page 256: ...CYLINDER AND PISTONS 5 39 1 ...
Page 310: ...TRANSMISSION 5 93 ...
Page 322: ...WATER PUMP 6 11 ...
Page 336: ...THROTTLE BODIES 7 13 c 1 cylinder d 2 cylinder A Left B Right b a d c A B b 1 ...
Page 337: ...THROTTLE BODIES 7 14 ...
Page 338: ...AIR INDUCTION SYSTEM 7 15 EAS20071 AIR INDUCTION SYSTEM 1 2 3 4 5 1 2 ...
Page 342: ...AIR INDUCTION SYSTEM 7 19 ...
Page 345: ......
Page 355: ...ELECTRIC STARTING SYSTEM 8 10 ...
Page 359: ...CHARGING SYSTEM 8 14 ...
Page 371: ...SIGNALING SYSTEM 8 26 ...
Page 417: ...FUEL PUMP SYSTEM 8 72 ...
Page 420: ...ELECTRICAL COMPONENTS 8 75 2 3 4 5 12 11 10 9 8 7 1 6 ...
Page 440: ...ELECTRICAL COMPONENTS 8 95 ...
Page 451: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 10 ...
Page 453: ......
Page 454: ......