Yamaha YZ450F Owner's Service Manual page 275

WATER PUMP
EAS1SL5299
Removing the water pump
10 Nm (1.0 m kgf, 7.2 ft Ibf)
1
New
10 Nm (1.0 m kgf, 7.2 ft Ibf)
Order
Coolant
Engine oil
Right crankcase cover
1 Water pump housing
2 Dowel pin
3 Gasket
4 Collar
5 Pin
6 Impeller shaft assembly
7 Oil seal
8 Bearing
9 Oil seal
3
2
2
6
E
Part name
6-4
New
7 New
LS
Q'ty
Drain.
Refer to "CHANGING THE COOLANT" on
page 3-8.
Drain.
Refer to "CHANGING THE ENGINE OIL" on
page 3-15.
Refer to "CLUTCH" on page 5-37.
1
2
1
1
1
1
1
1
1
For installation, reverse the removal proce-
dure.
WATER PUMP
New
4
5
8
9
E
LS
Remarks