Yamaha DTR 125 Manuals

Manuals and User Guides for Yamaha DTR 125. We have 1 Yamaha DTR 125 manual available for free PDF download: Service Manual

Yamaha DTR 125 Service Manual

Yamaha DTR 125 Service Manual (320 pages)

Brand: Yamaha | Category: Motorcycle | Size: 8.82 MB

Table of Contents

Table of Contents

6
- Specifications
  3
  - Periodic Checks and
    4
- Chassis
  5
- Engine
  5
  - Table of Contents
    6
- Periodic Checks and Adjustments
  5
- Chapter 1 General Information
  10
- Motorcycle Identification
  10
  - Frame Serial Number
    10
  - Engine Serial Number
    10
- Important Information
  11
  - Preparation for Removal
    11
  - Gaskets, Oil Seals and O-Rings
    11
  - Bearings and Oil Seals
    12
  - Circlip
    12
  - Checking the Connections
    13
- Cooling System
  14
  - Special Tools
    14
  - Gen Info
    15
- Spec
  17
Spec Chapter 2 Specifications

19
- Chapter 2 Specifications
  20
- General Specifications
  20
- Conversion Table
  29
- General Tightening Torque Specifications
  29
  - Engine
    30
  - Chassis
    31
- Coolant Flow Chart
  32
- Lubrication Points and Lubricant Type
  33
  - Engine
    33
  - Chassis
    34
- Cable Routing
  35
- Chk Adj
  39
Chapter 3 Periodic Checks and Adjustments

41
- Introduction/Periodic Maintenance/Lubrication
  42
- Engine
  43
  - Y.p.V.s. Cable Adjustment
    43
  - Idle Speed Adjustment
    44
  - Throttle Cable Free Play Adjustment
    44
  - Carburetor Cable Free Play Adjustment
    46
  - Autolube Pump Stroke Adjustment
    47
  - Autolube Pump Air Bleeding
    48
  - Spark Plug Inspection
    48
  - Ignition Timing Check
    50
  - Engine Oil Level Inspection
    51
  - Transmission Oil Level Inspection
    52
  - Transmission Oil Replacement
    52
  - Carburetor Joint Inspection
    59
  - Fuel Line Inspection
    59
  - Checking the Crankcase Breather Hose
    59
  - Exhaust System Inspection
    60
  - Engine Oil Line Inspection
    60
  - Coolant Level Inspection
    61
  - Cooling System Inspection
    64
- Chassis
  65
  - Adjusting the Rear Brake Light Switch
    68
  - Brake Hose Inspection
    69
  - Drive Chain Slack Adjustment
    70
  - Lubricating the Drive Chain
    71
  - Steering Head Adjustment
    71
  - Checking the Tires
    77
- Checking the Front and Rear Brake Pads
  68
- Electrical
  80
  - Checking the Fuses
    84
  - Headlight Beam Adjustment
    85
- Chas
  86
  - Installing the Front Wheel
    93
  - Installing the Rear Wheel
    97
  - Rear Brake Caliper
    115
  - Front Forks
    125
  - Assembling the Front Fork Legs
    132
  - Steering Head and Handlebars
    133
  - Rear Shock Absorber and Swingarm
    143
  - Installing the Swingarm
    153
  - Eng
    160
Chapter 5 Engine

162
- Coolant
  163
- Engine Overhaul
  163
- Engine Removal
  163
- Side Covers
  163
- Transmission Oil
  163
- Autolube Pump Cable and Hose
  164
- Carburetor
  164
- Exhaust Pipe
  164
- Clutch Cable
  165
- Y.p.V.s. Cables
  165
- Leads
  166
- Radiator Hose
  166
- Engine Disassembly
  168
  - Cylinder Head, Cylinder and Piston
    168
  - Clutch, Primary Drive Gear and Balancer Gear
    170
  - Clutch Push Lever
    173
  - Shift Sahft and Stopper Lever
    173
  - Reed Valve
    174
  - Crankcase (Right)
    175
  - Shifter, Transmission and Balancer Weight
    176
  - Power Valve
    177
  - Autolube Pump Assembly
    178
- Inspection and Repair
  189
  - Crankshaft
    190
  - Autolube Pump
    193
  - Power Valve
    195
  - Crankcase (Right)
    201
  - Reed Valve
    202
  - Magneto Rotor
    203
  - Stopper Lever and Shift Shaft
    206
  - Clutch Push Lever
    206
  - Balancer Gear, Primary Drive Gear and Clutch
    209
  - Piston Cylinder and Cylinder Head
    215
  - Remounting Engine
    218
- Cool
  223
Cool Chapter 6 Cooling System

225
- Chapter 6 Cooling System
  226
- Water Pump
  226
  - Removal
    227
- Thermostatic Valve and Radiator
  232
  - Removal
    233
  - Installation
    236
- Carb
  239
Carb Chapter 7 Carburetor

241
- Carburetor
  242
- Chapter 7
  243
- Removal
  243
- Disassembly
  244
- Inspection
  245
- Assembly
  247
- Installation
  249
- Adjustment
  250
- Reed Valve
  251
  - Removal
    252
  - Disassembly
    252
  - Inspection
    253
  - Assembly
    253
  - Installation
    254
- Elec
  255
Chapter 8 Electrical System

257
- Dt125Re Circuit Diagram
  258
- Electrical Components
  259
  - Checking Switch Continuity
    261
  - Checking the Switches
    262
- Ignition System
  263
  - Circuit Diagram
    271
- Charging System
  271
  - Circuit Diagram
    273
- Lighting System
  273
  - Circuit Diagram
    283
- Signaling System
  283
  - Circuit Diagram
    295
- Cooling System
  295
  - Circuit Diagram
    299
- Meter Assembly
  303
- Trbl Shtg
  307
Trbl Shtg Chapter 9 Troubleshooting

309
- Chapter 9 Troubleshooting
  310
- Starting Failure/Hard Starting
  310
  - Fuel System
    310
  - Electrical System
    311
- Poor Idle Speed Performance
  312
- Poor Medium and High Speed Performance
  312
  - Fuel System
    312
  - Electrical System
    312
  - Compression System
    313
- Clutch Slipping/Dragging
  314
  - Clutch Slipping
    314
  - Clutch Dragging
    315
- Faulty Gear Shifting
  314
  - Hard Shifting
    314
  - Jump out Gear
    314
- Faulty Brake
  315
  - Poor Braking Effect
    315
- Front Fork Oil Leakage and Front Fork Malfunction
  315
  - Oil Leakage
    315
  - Malfunction
    315
- Instable Handling
  316
- Faulty Signal and Lighting System
  317
  - Headlight Dark
    317
  - Bulb Burnt out
    317
  - Flasher Does Not Light
    317
  - Flasher Keeps on
    317
  - Flasher Winks Slower
    317
  - Flasher Winks Quicker
    317
  - Horn Is Inoperative
    317
- Faulty Y.p.V.s
  318
- Overheating or Overcooling
  318
  - Overheating
    318
  - Overcooling
    318
- Dt125 Wiring Diagram
  319

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