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Generic
Motorcycle
TR 125
Service Manual
Page 45 (Engine Performance and Overheating Issues)
Generic TR 125 - Engine Performance and Overheating Issues
163 pages
Manual
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- 40 -
F
r
o
n
t
w
h
e
e
l
s
p
i
n
d
l
e
1
0
0
-
1
1
3
N
·
m
Front
wheel
head
bolt
5-10N·m
No oil stain shall
be on brake shoe and bra
ke disk.
If any
, use brake cleaner fluid.
*Attention
Oil stain on bra
ke shoe will
eliminate braking performance.
44
46
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
Preface
6
Preparatory Data
7
Special Tool
7
Inspection/Adjustment
20
Periodic Maintenance Schedule
20
Air Cleaner
20
Spark Plug
20
Specifications
21
Engine Oil Replacement
23
Air Filter
24
Idle Speed Adjustment
28
Front Suspension
34
Rear Suspension
35
Check and Maintenance of Body
37
1 I Braking System
39
Maintenance Instruction
39
Rear Drum Brake
39
Fault Diagnosis
40
Front Hydraulic Brake
41
Back Liquid Brake
43
2 Vehicle Housing
47
3 Front Wheel/Front Suspension
50
Preparatory Data
50
Fault Diagnosis
50
Front Wheel
52
Bearing Replacement
53
Direction Handle
54
Front Fork
54
Preparatory Data
59
Chain Drive Assembly
59
4 IV Rear Wheel/Rear Suspension
59
Fault Diagnosis
60
Rear Shock Absorber
62
Rear Swing Arm
63
Drive Chain
64
5 Storage Battery/Charging System
67
Preparatory Data
67
Fault Diagnosis
68
Tightening Torque
68
Storage Battery
69
Battery Removal
69
Charging System
70
Voltage-Current Regulator
71
Alternator Charging Coil
72
Alternator Light Coil
72
Disassembly of Alternator
73
6 Ignition System
76
Preparatory Data
76
Fault Diagnosis
76
Ignition System Inspection
78
CDI Assembly
80
Ignition Coil
80
System Inspection
80
Trigger
81
7 Starting System
83
Preparatory Data
83
Fault Diagnosis
84
Starting Motor
84
Starting Relay
86
8 Bulbs/Switches/Instruments
87
Preparatory Data
87
Fault Diagnosis
87
Headlamp Bulb Replacement
88
Front Turn Signal Lamp Bulb Replacement
89
Taillight/License Plate Lamp/Rear Turn-Lamp Bulb Replacement
89
Taillight/License Plate Lamp/Rear Turn-Lamp Bulb Replacement--8.5
89
Instrument
90
Main Switch
90
Master Switch
90
Horn
91
Handle Switch
91
Engine Inspection and Maintenance
92
9 Lubricating System
94
Preparatory Data
94
Fault Diagnosis
94
Oil Pump
95
10 Cooling System
98
Preparatory Data
98
Fault Diagnosis
98
Water Pump
99
11 Cylinder Head
102
Preparatory Data
102
Fault Diagnosis
102
Cylinder Head
103
Valve Clearance Adjustment
110
12 Cylinder Block and Piston
111
Preparatory Data
112
XII Cylinder Block and Piston
112
Fault Diagnosis
113
Cylinder Head
113
Installation of Piston
117
13 Crankcase
118
Preparatory Data
118
Fault Diagnosis
118
Clutch
118
Gearshift Mechanism
126
Crankcase Connecting Rod Combination
127
Variable Speed Chamber
130
Exhaust System Inspection and Maintenance
133
15 Emission Control System
134
Emission Control System Guarantee
134
Regular Maintenance Guidelines
134
Emission Control System Mechanical Functions
135
Catalyst Conversion System
136
Solutions to Idle Exhaust Exceeding Specified Value
137
Inspection and Maintenance of EFI System
138
16 EFI System Description
139
Introduction to EFI System of Finished Enginecycle
139
EFI System Parts
139
Throttle Body
143
Intake Air Temperature Sensor
145
Fuel Pump
150
Troubleshooting Diagnosis
151
Common Troubleshooting
158
Concise Troubleshooting
159
QJ125GY-16A Circuit Diagram
163
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