water pump YAMAHA WR 450F 2003 User Guide

4 - 61
ENG

OIL FILTER, WATER PUMP AND CRANKCASE COVER
(RIGHT)
2. Install:

Water pump housing
1


Bolt (water pump housing)
2


Plain washer
3


Coolant drain bolt
4

T R..10 Nm (1.0 m · kg, 7.2 ft · lb)
New
T R..10 Nm (1.0 m · kg, 7.2 ft · lb)

3. Install:

O-ring

Coolant pipe
1


Bolt (coolant pipe)
2

T R..10 Nm (1.0 m · kg, 7.2 ft · lb)

Oil filter
1. Install:

Oil filter
1


O-ring
2


Oil filter cover
3


Bolt (oil filter cover)
New
T R..10 Nm (1.0 m · kg, 7.2 ft · lb)

4 - 62
ENG

BALANCER
BALANCER
BALANCER
Extent of removal:
1
Balancer drive gear
2
Balancer
Extent of removal Order Part name Q’ty Remarks
BALANCER REMOVAL
Preparation for removal Clutch housing Refer to “CLUTCH” section.
Crankcase cover (right)Refer to “OIL FILTER, WATER PUMP AND
CRANKCASE COVER (RIGHT)” section.
Stator Refer to “AC MAGNETO AND
STARTER CLUTCH” section.
1 Nut (primary drive gear) 1
Refer to “REMOVAL POINTS”.
2 Nut (balancer) 1
3 Lock washer 1
4 Primary drive gear 1
5 Balancer drive gear 1
6 Lock washer 1
7 Balancer driven gear 1
8 Balancer 1 Refer to “REMOVAL POINTS”.
2
1
2

4 - 65
ENGOIL PUMP
OIL PUMP
OIL PUMP
Extent of removal:1 Oil pump removal2 Oil pump disassembly
Extent of removal Order Part name Q’ty Remarks
OIL PUMP REMOVAL AND DIS-
ASSEMBLY
Preparation for removal Clutch housing Refer to “CLUTCH” section.
Crankcase cover (right)Refer to “OIL FILTER, WATER PUMP AND
CRANKCASE COVER (RIGHT)” section.
1 Circlip 1
2 Plate washer 1
3 Oil pump drive gear 1
4 Oil pump assembly 1
5 Dowel pin 1
6 Outer rotor 2 1
7 Circlip 1
8 Inner rotor 2 1
9 Pin 1
10 Oil pump cover 1
11 Outer rotor 1 1
12Inner rotor 1
1
2
1