1999 YAMAHA YZF-R7 oil

5 - 12
COOLWATER PUMP
EB503000
WATER PUMP
Order Job/Part Q’ty Remarks
Removing the impeller shaftRemove the parts in the order listed.
Oil/water pump assembly and oil
pump rotorRefer to “OIL PAN AND OIL PUMP” in
chapter 4.
1 Water pump cover 1
2 O-ring 1
3 Pin 2
4 Impeller shaft (along with the impel-
ler)1
NOTE:
• The water pump and oil pump are
combined into one unit (oil/water
pump assembly).
• It is not necessary to remove the
impeller shaft unless the coolant
level is extremely low or coolant
leaks from the oil pan.

5 - 13
COOLWATER PUMP
Order Job/Part Q’ty Remarks
5 Water pump seal 1
6 Oil seal 1
7 Bearing 1
For installation, reverse the removal
procedure.

5 - 14
COOLWATER PUMP
EB503020
DISASSEMBLING THE WATER PUMP
1. Remove:
• water pump seal 1
NOTE:
Tap out the water pump seal from the
inside of the water pump housing.
2Water pump housing
2. Remove:
• oil seal 1
• bearing 2
NOTE:
Tap out the bearing and oil seal from the
outside of the water pump housing.
3Water pump housing
3. Remove:
• rubber damper holder 1
• rubber damper 2
(from the impeller, with a thin, flat-
head screwdriver)
NOTE:
Do not scratch the impeller shaft.
EB503032
CHECKING THE WATER PUMP
1. Check:
• water pump housing cover 1
• water pump housing 2
• impeller 3
• rubber damper 4
• rubber damper holder 5
Cracks/damage/wear ® Replace.
2. Check:
• water pump seal
• oil seal
• water pump inlet pipe
Cracks/damage/wear ® Replace.
• bearing
Rough movement ® Replace.

5 - 15
COOLWATER PUMP
EB503040
ASSEMBLING THE WATER PUMP
1. Install:
• oil seal 1
(into the water pump housing 2)
NOTE:
• Before installing the oil seal, apply tap
water or coolant onto its outer surface.
• Install the oil seal with a socket that
matches its outside diameter.
New
2. Install:
• water pump seal 1
ACHTUNG:CAUTION:
Never lubricate the water pump seal
surface with oil or grease.
NOTE:
• Install the water pump seal with the
special tools.
• Before installing the water pump seal,
apply Yamaha bond No.1215 2 to the
water pump housing 3.
Push down.
Mechanical seal installer 4
90890-04078
Middle driven shaft bearing
driver 5
90890-04058
Yamaha bond No. 1215
90890-85505
New
3. Install:
• rubber damper 1
• rubber damper holder 2
NOTE:
Before installing the rubber damper,
apply tap water or coolant onto its outer
surface.
New
New

7 - 1
CHAS

FRONT WHEEL AND BRAKE DISCS
EB700002
CHASSIS
FRONT WHEEL AND BRAKE DISCS
Order Job/Part Q’ty Remarks
Removing the front wheel and brake
discs
Remove the parts in the order listed.
1 Brake hose holder (left and right) 2
2 Brake caliper (left and right) 2
3 Wheel axle pinch bolt 4 Loosen.
4 Front wheel axle 1
5 Front wheel 1
6 Collar (left and right) 2
7 Oil seal cover (left and right) 2
8 Brake disc (left and right) 2
For installation, reverse the removal
procedure.
NOTE:
Place the motorcycle on a suitable
stand so that the front wheel is ele-
vated.

7

7 - 2
CHAS

FRONT WHEEL AND BRAKE DISCS
EB700010
Order Job/Part Q’ty Remarks
Disassembling the front wheel
Remove the parts in the order listed.
1
Oil seal (left and right) 2
2
Wheel bearing (left and right) 2
3
Spacer 1
For assembly, reverse the disassembly
procedure.
7

7 - 4
CHAS

FRONT WHEEL AND BRAKE DISCS
3. Measure:
• radial wheel runout
1
• lateral wheel runout
2
Over the specified limits
®
Replace.
4. Check:
• wheel bearings
Front wheel turns roughly or is loose
®
Replace the wheel bearings.
• oil seals
Damage/wear
®
Replace.
Max. radial wheel runout
1.0 mm (0.04 in)
Max. lateral wheel runout
0.5 mm (0.02 in)
5. Replace:
• wheel bearings
• oil seals
t t t t t t t t t t t t t t t t t t t t t t t t t t t
a. Clean the outside of the front wheel
hub.
b. Remove the oil seals
1
with a flat-
head screwdriver.
NOTE:

To prevent damaging the wheel, place a
rag
2
between the screwdriver and the
wheel surface.
c. Remove the wheel bearings
3
with a
general bearing puller.
d. Install the new wheel bearings and oil
seals in the reverse order of disas-
sembly.
ACHTUNG:CAUTION:

Do not contact the wheel bearing center
race
4
or balls
5
. Contact should be
made only with the outer race
6
.
NOTE:

• First fully insert the right wheel bear-
ing, then install the spacer and finally
the left wheel bearing.
• Use a socket
7
that matches the diam-
eter of the wheel bearing outer race
and oil seal.
s s s s s s s s s s s s s s s s s s s s s s s s s s s
New
New

7 - 6
CHAS

FRONT WHEEL AND BRAKE DISCS
d. Measure the brake disc deflection.
e. If out of specification, repeat the
adjustment steps until the brake disc
deflection is within specification.
f. If the brake disc deflection cannot be
brought within specification, replace
the brake disc.
s s s s s s s s s s s s s s s s s s s s s s s s s s s
T R..

Brake disc bolt
18 Nm (1.8 m • kg, 13 ft • lb)
LOCTITE
Ò

EB700725
INSTALLING THE FRONT WHEEL
1. Lubricate:
• wheel axle
• oil seal lips
Recommended lubricant
Lithium soap base grease
2. Install:
• brake discs
NOTE:

• Apply locking agent (LOCTITE
Ò

) 648 to
the threads of the brake disc bolts.
• Tighten the brake disc bolts in stages
and in a crisscross pattern.
T R..18 Nm (1.8 m · kg, 13 ft • lb)

3. Tighten:
• wheel axle
1
• wheel axle pinch bolt
2
ACHTUNG:CAUTION:

Before tightening the wheel axle nut,
push down hard on the handlebars sev-
eral times and check if the front fork
rebounds smoothly.
1
1

2
2

T R..79 Nm (7.9 m · kg, 57 ft · lb)
T R..23 Nm (2.3 m · kg, 17 ft · lb)