Yamaha DT125X manuals

Yamaha DT125X Service Manual (320 pages)

Brand: Yamaha | Category: Motorcycles | Size: 8.41 MB |

English

Table of contents

SERVICE MANUAL

1

EAS00001

2

IMPORTANT MANUAL INFORMATION

3

HOW TO USE THIS MANUAL

4

EAS00008

5

TABLE OF CONTENTS

6

CHAPTER 1

9

GENERAL INFORMATION

10

IMPORTANT INFORMATION

11

CHECKING THE CONNECTIONS

13

SPECIAL TOOLS

14

CHAPTER 2

19

SPECIFICATIONS

19

GENERAL SPECIFICATIONS

21

0.5mm ***

23

CONVERSION TABLE /

29

CONVERSION TABLE

29

GENERAL TIGHTENING TORQUE

29

TIGHTENING TORQUES

30

DEFINITION OF UNITS

30

COOLANT FLOW CHART

32

EAS00031

33

EAS00032

34

CABLE ROUTING

35

CHAPTER 3

41

LUBRICATION INTERVALS

42

Y.P.V.S. CABLE ADJUSTMENT

43

IDLE SPEED ADJUSTMENT

44

EAS00058

45

AUTOLUBE PUMP AIR BLEEDING

47

AUTOLUBE PUMP AIR BLEEDING/

48

CHECKING THE SPARK PLUG

48

CHECKING THE SPARK PLUG/

49

CHECKING THE IGNITION TIMING

49

CHECKING THE IGNITION TIMING/

50

ENGINE OIL LEVEL INSPECTION

50

TRANSMISSION OIL REPLACEMENT

52

TRANSMISSION OIL REPLACEMENT/

53

EAS00089

57

EAS00098

59

COOLANT LEVEL INSPECTION/

61

CHANGING THE COOLANT

61

COOLING SYSTEM INSPECTION

64

ADJUSTING THE FRONT BRAKE/

65

ADJUSTING THE REAR BRAKE

65

ADJUSTING THE REAR BRAKE/

66

EAS00119

68

EAS00128

68

EAS00131

69

EAS00139

69

LUBRICATING THE DRIVE CHAIN/

71

CHECKING THE FRONT FORK

73

SHOCK ABSORBER ASSEMBLY

74

ASSEMBLY/CHECKING THE TIRES

75

CHECKING THE TIRES

76

CHECKING THE TIRES/

77

EAS00170

78

EAS00171

79

EAS00172

79

EAS00174

79

 positive battery

81

 negative battery

81

CHECKING THE FUSES

83

CHECKING THE FUSES/

84

REPLACING THE HEADLIGHT BULB

84

REPLACING THE HEADLIGHT BULB/

85

ADJUSTING THE HEADLIGHT BEAM

85

CHAPTER 4

88

58 Nm (5,8 m • kg, 42ft•lb)

89

REMOVING THE FRONT WHEEL

90

CHECKING THE FRONT WHEEL

91

CHECKING THE FRONT WHEEL/

93

INSTALLING THE FRONT WHEEL

93

90 Nm (9,0 m • kg

95

65ft•lb)

95

REMOVING THE REAR WHEEL

96

INSPECTING THE REAR WHEEL/

97

INSTALLING THE REAR WHEEL

97

80~100Nm (8.0~10.0 m•kg

98

58.7~73.3 ft•lb)

98

30 Nm (3 m•kg, 22 ft•lb)

98

FRONT AND REAR BRAKE

100

EAS00579

101

EAS00581

101

18 Nm (1,8 m•kg, 13ft•lb)

103

REPLACING THE REAR BRAKE PADS

104

EAS00618

106

EAS00626

107

CYLINDER

109

EAS00630

111

REAR BRAKE CALIPER

115

A Front

123

FRONT FORKS

125

REMOVAL/DISASSEMBLY

126

EAS00656

128

THE FRONT FORK LEGS

129

STEERING HEAD AND HANDLEBARS

133

REMOVAL/INSPECTION

137

INSPECTION/INSTALLATION

138

INSTALLATION

139

22 to 25,6 ft•lb)

143

11 Plain washer

144

12 Shim

144

13 Thrust cover

144

EAS00686

145

EAS00688

145

EAS00690

145

ASSEMBLY

146

CHECKING THE SWINGARM

151

SWINGARM

152

INSTALLING THE SWINGARM

153

23,5 to 27,1 ft•lb)

154

REMOVING THE DRIVE CHAIN

155

EAS00709

156

CHECKING THE DRIVE CHAIN

157

INSTALLING THE DRIVE CHAIN

158

CHAPTER 5

162

ENGINE REMOVAL

163

ENGINE OVERHAUL

163

ENGINE REMOVAL/

168

ENGINE DISASSEMBLY

168

ENGINE DISASSEMBLY/

179

INSPECTION AND REPAIR

179

5 Nm (0.5 m • kg, 3.6ft•lb)

193

14 Nm (1.4 m • kg,10ft•lb)

199

EAS00408

200

EAS00427

200

80 Nm (8.0 m • kg, 58ft•lb)

203

15 Nm (1.5 m • kg, 11ft•lb)

205

CHAPTER 6

225

COOLING SYSTEM

225

8 Nm (0.8 m • kg, 5.8 ft•lb)

226

A USE NEW ONE

226

WATER PUMP

227

10 Gasket

232

EAS00455

235

CHAPTER 7

241

CARBURETOR

241

CARBURETION

242

10 Nm (1.0 m • kg, 7.2 ft•lb)

251

B USE NEW ONE

251

1 Nm (0.1 m • kg, 0.7 ft•lb)

251

REED VALVE

252

CHAPTER 8

257

ELECTRICAL SYSTEM

257

ELECTRICAL

258

Ignition coil:

259

Primary coil resistance:

259

0.23 Ω at 20 °C

259

Secondary coil resistance:

259

7.9 kΩ at 20 °C

259

Battery:

260

Capacity:

260

No maintenance

260

CHECKING SWITCH CONTINUTY

261

CHECKING SWITCH CONTINUITY

261

CHECKING THE SWITCHES

262

IGNITION SYSTEM

263

 Orange terminal

266

 Ignition coil

266

CHARGING SYSTEM

271

LIGHTING SYSTEM

273

SIGNALING SYSTEM

283

SIGNAL SYSTEM

284

YAMAHA POWER VALVE SYSTEM

299

EAS00795

301

METER ASSEMBLY

303

CHAPTER 9

309

TROUBLESHOOTING

309

DT125 WIRING DIAGRAM

319

COMPONENTS

320

COLOR CODE

320

Yamaha DT125X Owner's Manual (74 pages)

Brand: Yamaha | Category: Motorcycles | Size: 3.18 MB |

English

Table of contents

OWNER’S MANUAL

1

INTRODUCTION

3

IMPORTANT MANUAL INFORMATION

4

TABLE OF CONTENTS

6

SAFETY INFORMATION

10

DESCRIPTION

12

DESCRIPCION

14

Main switch/steering lock

15

Indicator and warning lights

16

Speedometer unit

17

Handlebar switches

17

Clutch lever

18

Shift pedal

18

Brake lever

19

Brake pedal

19

Fuel tank cap

19

Catalytic converter

20

2-stroke engine oil

21

Fuel cock

21

Starter (choke) lever “q”

22

Shock absorber

23

YEIS handling precautions

23

Sidestand

24

Ignition circuit cut-off

24

PRE-OPERATION CHECKS

26

Starting a cold engine

29

Starting a warm engine

30

Shifting

30

Engine break-in

30

ECA10370

31

ECA10270

31

EAU17180

31

EWA10310

31

ECA10380

31

Owner’s tool kit

32

EAU17710

33

EAU18670

35

Removing and installing

36

Checking the spark plug

37

Transmission oil

38

ECA10450

39

EAU20070

39

EAU20170

39

Coolant reservoir capacity:

40

0,3 L (0,32 US qt)

40

Cleaning the air filter

41

Adjusting the carburetor

42

Adjusting the engine idling

43

Adjusting the throttle cable

43

EAU21590

44

EWA10500

44

EWA11200

44

EWA10460

45

Spoke wheels

46

Adjusting the clutch lever

46

Adjusting the brake lever

47

Adjusting the brake pedal

48

Checking the front and rear

49

Changing the brake fluid

50

Lubricating the drive chain

51

Checking the front fork

53

Checking the steering

53

Checking the wheel bearings

54

Replacing the fuse

55

Replacing a headlight bulb

55

1. Screw (x2)

56

Replacing a turn signal light

57

Supporting the motorcycle

57

Front wheel

57

EWA10820

58

ECA11070

58

EAU24950

58

Rear wheel

59

Troubleshooting

60

Troubleshooting charts

61

Have a Yamaha dealer check

62

Yamaha dealer check

62

MOTORCYCLE CARE AND STORAGE

63

SPECIFICATIONS

67

CONSUMER INFORMATION

70

YAMAHA MOTOR ESPAÑA, S.A

74

PRINTED IN SPAIN

74

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