warning YAMAHA TT600RE 2004 Owner's Guide

CHASREAR WHEEL AND BRAKE DISC
4-21
REAR WHEEL AND BRAKE DISC
Order Job name/Part name Q.ty Remarks Rear wheel and brake disc removal Remove the parts in order.
WARNING
Securely support the motorcycle so there
is no danger of it falling over.
1 Axle nut 1
2 Wheel axle 1
3 Drive chain -
4 Collar 2
5 Rear wheel assembly 1
6 Brake disc 1
Push the wheel forward and remove the
chain.
Refer to “REAR WHEEL INSTALLATION”
section.
Reverse the removal procedure for
installation.
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CHASREAR WHEEL AND BRAKE DISC
4-23
REAR WHEEL DISASSEMBLY
1. Remove:
•Hub and driven sprocket
•Dampers
•Hub spacer
•Oil seal
•Hub bearing
•Wheel bearing
•Wheel spacer
•Wheel bearing
•Dust cover
•Oil seal
•Wheel bearing
•Wheel spacer
Removal procedure:
•Clean the outside of the hub.
•Remove the dust cover with a flat-headed screw
driver.

NOTE:
Place a rag on the outside to avoid damaging the
hub.

WARNING
Do not attempt to straighten a bent axle.
•Disassemble the bearing (1) with a normal
puller (2).
REAR WHEEL INSPECTION
1. Inspect:
•Rear wheel axle
(by rolling it on a flat surface)
Bends ➔Replace.
2. Inspect:
•Rear tire
Refer to “TIRE INSPECTION” in CHAP-
TER 3.
•Rear wheel
Refer to “WHEEL INSPECTION” in
CHAPTER 3.
3. Inspect:
•Spoke(s)
Bent/Damaged ➔Replace.
Loose spoke(s) ➔ Tighten.
Turn the wheel and hit the spokes gently
with a screwdriver.
NOTE:
A well tightened spoke makes a distinct, sharp
noise: a loose spoke makes a dull, muffled noise.
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CHASREAR BRAKE
4-33
MASTER CYLINDER INSPECTION
1. Inspect:
•Master cylinder assembly
Wear/scratches ➔Replace the master
cylinder assembly.
•Master cylinder body
Cracks/damage ➔Replace the master
cylinder assembly.
•Fluid delivery passage
(master cylinder)
Obstruction ➔Clean with a jet of com-
pressed air.
2. Inspect:
•Master cylinder piston unit
Scratches/wear/damage ➔Replace the
master cylinder assembly.
3. Inspect:
•Diaphragm (1)
Wear/damage ➔Replace.
4. Inspect:
•Brake hose
Cracks/wear/damage ➔Replace.
MASTER CYLINDER ASSEMBLY
WARNING
•All internal brake components should be
cleaned and lubricated with new brake fluid
only before installation.
Recommended brake fluid: DOT 4
•In case of non correct operation of the
brake master cylinder, replace the master
cylinder assembly.
1. Install:
•Spring
•Master cylinder piston unit
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REAR BRAKE
4-34
CHAS
MASTER CYLINDER INSTALLATION
1. Install:
•Brake pedal (refer to “BRAKE PEDAL
REMOVAL” section in this Chapter).
NOTE:
Lubricate the pin of the brake pedal with lithium-
base grease.
•Master cylinder
•Brake fluid reserve tank
•Plain washers (1) (new)
•Brake hose (2)
•Stop switch (to mount the brake hose) (3) Brake switch (brake hose): 20 Nm (2.0 mkg)
Master cylinder mounting bolt: 10 Nm (1.0 mkg)
Reserve tank mounting bolt: 4 Nm (0.4 mkg)New
2. Fill:
•Brake fluid reserve tank Recommended brake fluid: DOT 4
Brake fluid may deteriorate painted surfaces
or plastic parts. Always clean up spilled fluid
immediately.
CAUTION:
WARNING
•Use only designated quality brake fluid.
Otherwise, the rubber seals may deterio-
rate, causing leakage and poor brake per-
formance.
•Refill with the same type of brake fluid:
mixing fluids may result in a harmful chem-
ical reaction and lead to poor perform-
ance.
•Be careful that water does not enter the
significantly lower the boiling point of the
fluid may result in vapor lock.
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REAR BRAKE
4-38
CHAS
BRAKE CALIPER DISASSEMBLY
1. Remove:
•Brake caliper piston (1)
•Dust seal (3)
•Piston seal (2)
Removal procedure:
•Blow compressed air into the hose joint open-
ing to force out the caliper piston from the
brake caliper body.
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
•Remove the piston seal
CALIPER INSPECTION
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
1. Inspect:
•Caliper piston
Scratches/wear/rust ➔Replace caliper
assembly.
•Caliper cylinder
Scratches/wear ➔Replace caliper assem-
bly.
•Caliper
Cracks/damaged ➔Replace.
Recommended programme for the
replacement of brake system components: Brake pads When necessary
Brake hose Every four years
Replace every
Brake fluid 24,000 km or 24
months and
whenever the brake
is disassembled.
WARNING
All internal brake components should be
cleaned and lubricated with new brake fluid
only before installation. Do not use solvents to
prevent sealing elements from becoming mis-
shapen or swollen.
WARNING
•Never try to pry out the caliper piston.
•Cover the caliper piston with a rag. Be
careful not to get injured when the piston
is expelled from the master cylinder.
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CHASREAR BRAKE
4-39
•Fluid delivery passage (caliper)
Obstruction ➔Clean with compressed air.
BRAKE CALIPER ASSEMBLY
WARNING
•All internal brake components should be
cleaned and lubricated with new brake fluid
only before installation.
•In case of non correct operation of the
brake caliper, replace the brake caliper
assembly. Liquido freni raccomandato:
DOT 4
CALIPER INSTALLATION
1. Install:
•Brake caliper (1)
•Caliper support (2)
•Brake hose (3)
•Plain washers (4) (new)
•Union bolt (5)
Union bolt: 20 Nm (2.0 mkg)
WARNING
In case of non correct operation of the brake
caliper, replace the brake caliper assembly.
1. Install:
•Piston seal (1)
•Dust seal (2)
•Caliper piston (3)
•Caliper protector
3
451
2
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REAR BRAKE
4-40
CHAS
2. Fill:
•Brake fluid reserve tank
Check that the brake hose has stayed in cor-
rect position with the pipe-fitting matching the
projection (a) of the caliper.
CAUTION:
WARNING
Check that the brake hose routing is correct.
Refer to “CABLE ROUTING” section.
Recommended brake fluid: DOT 4
Brake fluid may deteriorate painted surfaces
or plastic parts. Always clean up spilled fluid
immediately.
CAUTION:
WARNING
•Use only designated quality brake fluid.
Otherwise, the rubber seals may deterio-
rate, causing leakage and poor brake per-
formance.
•Refill with the same type of brake fluid:
mixing fluids may result in a harmful chem-
ical reaction and lead to poor perform-
ance.
•Be careful that water does not enter the
significantly lower the boiling point of the
fluid may result in vapor lock.
3. Air bleed:
•Brake system
Refer to “AIR BLEEDING (HYDRAULIC
BRAKE SYSTEM)” section in CHAPTER 3.
a
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CHASFRONT FORK
4-45
OIL CAPACITY (IN EACH FORK LEG): 650 cm3
RECOMMENDED OIL:
Liqui Moly Racing suspension oil SAE 7,5
FRONT FORK OIL LEVEL
STANDARD 180 mm
MINIMUM 190 mm
MAXIMUM 170 mm
From top of inner tube with inner tube fully com-
pressed without spring.
MINIMUM FORK SPRING FREE LENGTH:
530 mm
INNER TUBE BENDING LIMIT:
0.2 mm
1. Park the motorcycle on a level surface.
2. Raise the front wheel by placing a suitable support under the engine.
3. Remove:
•Front wheel
Refer to “FRONT WHEEL REMOVAL”
section.
4. Remove:
•Inner tube protector
•Protector guide
•Gear unit assembly and cable
•Brake caliper and hose
5. Loosen:
•Cap bolt
•Pinch bolt (upper and lower bracket)
WARNING
Securely support the motorcycle so there is
no danger of it falling over.
FRONT FORK REMOVAL
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FRONT FORK
4-52
CHAS
6. Tightly clamp the fork leg horizontally fasten- ing it by caliper attachment on the outer tube.
7. Using a screwdriver prise the dust seal (4)from the edge of the oil seal seat (5).
Then withdraw the dust seal using force.
5
4
54
1
2
8. Remove:
•Snap ring (1) (using a screwdriver)
1
WARNING
Never tamper with the damper cylinder
assembly! Tampering with the damper cylinder
assembly by non authorized personnel can
compromise tha safety of the fork. In order not
to cause damage to the environment collect
the used oil and take it to a collection centre.
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FRONT FORK
4-56
CHAS
OIL LEAKAGE FROM DUST SEAL
If there is a leakage of oil from between the dust
seal (1) and the inner tube (2) replace the oil seal
(refer to “SEAL AND BUSH REPLACEMENT”
section).
ANOMALOUS HYDRAULIC BRAKING
If the fork shows an anomalous hydraulic braking
effect it is necessary to overhaul the damper cylin-
der assembly.
WARNING
Never tamper with the damper cylinder
assembly! This operation should be done by
authorized personnel. Tampering with the
damper cylinder assembly by non authorized
personnel can compromise the safety of the
front fork. The building firm will not assume
any responsibility for any damages resulting
from such action.
2
1
19. Insert:
•Damper cylinder assembly (in the inner
tube)
20. Insert an Allen key in the bolt (3) at the bot- tom of the outer tube and the special tool (1)
with the holder (2) on the damper cylinder
assembly and screw the bolt completely.
During tightening the bolt ensure that the end
of the damper rod holder is correctly engaged
on the damper cylinder assembly.
CAUTION:
21. Fill:
•Fork leg oil
Refer to “OIL REPLACEMENT”section. T-handle (1):
90890-01326
Front fork damper rod holder (2): 90890-01460
Damper cylinder assembly bolt (3):25 Nm (2.5 kgm)
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