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Yamaha SR125 Service Manual Page 7
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Table of contents
TROUBLESHOOTING
BOOKMARKS
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GENERAL INFORMA
TION
SPECIFICA
TIONS
PERIODIC INSPECTION AND
ADJUSTMENT
ENGINE OVERHAUL
CARBURA
TION
CHASSIS
ELECTRICAL
TROUBLESHOOTING
GEN
INFO
1
SPEC
2
3
ENG
4
CARB
5
CHAS
6
ELEC
7
TRBL
SHTG
8
INSP
ADJ
INDEX
1
2
3
4
5
6
7
8
9
10
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12
...
242
243
EB000000
3
HOW TO USE THIS MANUAL
5
ILLUSTRATED SYMBOLS
6
CHAPTER 1
9
GENERAL INFORMATION
9
IMPORTANT INFORMATION
12
CHECKING OF CONNECTIONS
14
EB201000
15
SPECIAL TOOLS
16
CHAPTER 2
19
SPECIFICATIONS
19
GENERAL SPECIFICATIONS
22
MAINTENANCE SPECIFICATIONS
24
GENERAL TORQUE SPECIFICATIONS
35
LUBRICATION DIAGRAM
38
CABLE ROUTING
40
CHAPTER 3
45
PERIODIC INSPECTIONS
45
AND ADJUSTMENTS
45
INTRODUCTION/
47
INTRODUCTION
47
VALVE CLEARANCE ADJUSTMENT
50
VALVE CLEARANCE ADJUSTMENT/
51
IDLING SPEED ADJUSTMENT
51
IDLING SPEED ADJUSTMENT/
52
THROTTLE CABLE ADJUSTMENT
52
THROTTLE CABLE ADJUSTMENT/
53
SPARK PLUG INSPECTION
53
SPARK PLUG INSPECTION/
54
IGNITION TIMING CHECK
54
ENGINE OIL LEVEL INSPECTION
56
ENGINE OIL LEVEL INSPECTION/
57
ENGINE OIL REPLACEMENT
57
CLUTCH ADJUSTMENT
59
CLUTCH ADJUSTMENT/
60
AIR FILTER CLEANING
60
AIR FILTER CLEANING/
61
EXHAUST SYSTEM INSPECTION
61
FRONT BRAKE ADJUST MENT/
63
REAR BRAKE ADJUSTMENT
63
BRAKE FLUID LEVEL INSPECTION
65
BRAKE LIGHT SWITCH ADJUSTMENT
66
AIR BLEEDING
67
AIR BLEEDING/
68
DRIVE CHAIN SLACK ADJUSTMENT
68
STEERING HEAD INSPECTION
70
FRONT FORK INSPECTION/
71
TIRE INSPECTION
72
WHEEL INSPECTION
74
BATTERY INSPECTION
75
FUSE INSPECTION/
78
HEADLIGHT BEAM ADJUSTMENT
78
CHAPTER 4
79
ENGINE OVERHAUL
79
ENGINE REMOVAL
82
CYLINDER HEAD
84
CAM SHAFT AND ROCKER ARMS
90
VALVES AND VALVE SPRINGS
94
CYLINDER AND PISTON
100
45 Nm (4.5 mkg)
106
7 Nm (0.7 mkg)
106
8 Nm (0.8 mkg)
107
70 Nm (7.0 mkg)
107
12 Nm (1.2 mkg)
107
6 Nm (0.6 mkg)
107
SR401061
109
SR402181
109
CAUTION:
112
OIL PUMP
113
BALANCER GEAR
117
SHIFT SHAFT AND SEGMENT
120
3 Nm (0.3 mkg)
125
30 Nm (3.0 mkg)
126
50 Nm (5.0 mkg)
126
YP401081
127
SR402163
127
CRANKCASE AND CRANK SHAFT
130
CRANK CASE AND CRANKSHAFT
130
SR******
138
CHAPTER 5
141
CARBURETION
141
CARBURETOR
144
CHAPTER 6
149
FRONT WHEEL AND BRAKE DISC
151
FRONT BRAKE
158
40 Nm (4.0 mkg)
170
65 Nm (6.5 mkg)
170
20 Nm (2.0 mkg)
170
9 Nm (0.9 mkg)
173
10 Nm (1.0 mkg)
174
SR701020
175
SR701021
175
FRONT FORK
179
HANDLEBAR
185
STEERING
189
CHAPTER 7
195
ELECTRICAL
195
SWITCH INSPECTION
198
IGNITION SYSTEM
200
ELECTRIC STARTING SYSTEM
206
ELECTRICAL STARTING SYSTEM
207
CHARGING SYSTEM
215
LIGHTING SYSTEM
219
SIGNAL SYSTEM
224
CHAPTER 8
233
TROUBLE SHOOTING
233
TROUBLESHOOTING
235
POOR IDLE SPEED PERFORMANCE
236
POOR SPEED PERFORMANCE
237
CLUTCH SLIPPING/DRAGGING
238
FAULTY GEAR SHIFTING
238
OVER HEATING/FAULTY BRAKE
239
OVER HEATING OR OVER-COOL
239
FAULTY BRAKE
239
FRONT FORK MALFUNCTION
240
INSTABLE HANDLING
240
SR125 ’97 WIRING DIAGRAM
243
Comments to this Manuals
Ruchira
26 Jul 2025 | 07:58:41
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