Yamaha SR125 manuals

Yamaha SR125 User Manual (25 pages)

Brand: Yamaha | Category: Motorcycles | Size: 0.48 MB |

English

Table of contents

FOREWORD

3

IMPORTANT INFORMATION

4

HOW TO USE THIS MANUAL

5

ILLUSTRATED SYMBOLS

6

CONTENTS

7

SPECIFICATIONS

9

MAINTENANCE SPECIFICATIONS

10

CABLE ROUTING

12

EB304130

17

CYLINDER HEAD

19

STEERING

23

’99 SR125 WIRING DIAGRAM

25

Yamaha SR125 Service Manual (243 pages)

Brand: Yamaha | Category: Motorcycles | Size: 4.66 MB |

English

Table of contents

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 mkg)

106

7 Nm (0.7 mkg)

106

8 Nm (0.8 mkg)

107

70 Nm (7.0 mkg)

107

12 Nm (1.2 mkg)

107

6 Nm (0.6 mkg)

107

SR401061

109

SR402181

109

CAUTION:

112

OIL PUMP

113

BALANCER GEAR

117

SHIFT SHAFT AND SEGMENT

120

3 Nm (0.3 mkg)

125

30 Nm (3.0 mkg)

126

50 Nm (5.0 mkg)

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 mkg)

170

65 Nm (6.5 mkg)

170

20 Nm (2.0 mkg)

170

9 Nm (0.9 mkg)

173

10 Nm (1.0 mkg)

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

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