bolt pattern YAMAHA YZF-R7 1999 User Guide
Page 185 of 381
4 - 53
ENGOIL PAN AND OIL PUMP
EB411100
REMOVING THE OIL PAN
1. Remove:
• oil level switch 1
• oil pan 2
• oil pan gasket
• dowel pins
NOTE:
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.
REMOVING THE OIL PUMP
1. Remove:
• oil/water pump assembly driven
sprocket
Flywheel puller
90890-01080
EB411400
CHECKING THE OIL PUMP
1. Check:
• oil/water pump assembly driven
sprocket 1
• oil pump housing 2
Cracks/damage/wear ® Replace the
defective part(-s).
2. Measure:
• inner rotor-to-outer rotor tip clearance
a
• outer rotor-to-oil pump housing clear-
ance b
Out of specification ® Replace the oil
pump.
1 Inner rotor
2 Outer rotor
3 Oil pump housing
Inner rotor-to-outer rotor tip
clearance
0.09 ~ 0.15 mm
(0.004 ~ 0.006 in)
Outer rotor-to-oil pump hous-
ing clearance
0.03 ~ 0.08 mm
(0.001 ~ 0.003 in)
Page 187 of 381
4 - 55
ENGOIL PAN AND OIL PUMP
2. Check:
• oil pump operation
Refer to “CHECKING THE OIL PUMP”.
EB411710
INSTALLING THE OIL PUMP
1. Install:
• oil pump 1
NOTE:
Install the oil/water pump assembly
drive chain onto the oil/water pump
assembly driven sprocket.
T R..12 Nm (1.2 m · kg, 8.7 ft · lb)
EB411720
INSTALLING THE OIL STRAINER
1. Install:
• oil strainer 1
NOTE:
The arrow a on the oil strainer housing
must point towards the front of the
engine.
T R..10 Nm (1.0 m · kg, 7.2 ft · lb)
EB411730
INSTALLING THE OIL PAN
1. Install:
• dowel pins
• oil pan gasket
• oil pan 1
• oil level switch 2
• engine oil drain bolt 3
WARNINGWARNING
Always use new copper washers.
NOTE:
• Tighten the oil pan bolts in stages and
in a crisscross pattern.
• Lubricate the oil level switch O-ring
with lithium soap base grease.
New
T R..10 Nm (1.0 m · kg, 7.2 ft · lb)
T R..43 Nm (4.3 m · kg, 31 ft · lb)
Page 255 of 381
7 - 5
CHAS
FRONT WHEEL AND BRAKE DISCS
EB700416
CHECKING THE BRAKE DISCS
The following procedure applies to both of
the brake discs.
1. Check:
• brake disc
Damage/galling
®
Replace.
2. Measure:
• brake disc deflection
Out of specification
®
Correct the
brake disc deflection or replace the
brake disc.
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. Place the motorcycle on a suitable
stand so that the wheel is elevated.
b. Before measuring the front brake disc
deflection, turn the handlebars to the
left or right to ensure that the front
wheel is stationary.
c. Remove the brake caliper.
d. Hold the dial gauge at a right angle
against the brake disc surface.
e. Measure the deflection 1.5 mm
(0.06 in) below the edge of 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
Max. brake disc deflection
Front: 0.1 mm (0.004 in)
Rear: 0.1 mm (0.004 in)
3. Measure:
• brake disc thickness
Measure the brake disc thickness at a
few different locations.
Out of specification
®
Replace.
Min. brake disc thickness
Front: 4.5 mm (0.18 in)
Rear: 4.5 mm (0.18 in)
4. Adjust:
• brake disc deflection
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. Remove the brake disc.
b. Rotate the brake disc by one bolt
hole.
c. Install the brake disc.
NOTE:
Tighten the brake disc bolts in stages
and in a crisscross pattern.
Page 256 of 381
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)