Yamaha XN125 2000 Manuals

Manuals and User Guides for Yamaha XN125 2000. We have 1 Yamaha XN125 2000 manual available for free PDF download: Service Manual

Yamaha XN125 2000 Service Manual

Yamaha XN125 2000 Service Manual (259 pages)

Brand: Yamaha | Category: Motorcycle | Size: 9.56 MB

Table of Contents

General Information 1

6
- How to Use this Manual
  4
- General Information
  5
- Periodic Checks and Adjustments
  5
  - Table of Contents
    6
- Specifications
  5
- Chapter 1. General Information
  9
- Scooter Identification
  9
  - Vehicle Identification Number
    9
  - Model Label
    9
- Features
  10
  - Oil Indicator Light
    10
  - Odometer/Tripmeter Reading Mode
    10
  - Battery Voltage/Fuel Gauge
    10
  - The Clock
    11
  - Auto-Choke System
    11
- Important Information
  12
  - Preparation for Removal and Disassembly
    12
  - Replacement Parts
    12
  - Gaskets, Oil Seals and O-Rings
    12
  - Lock Washers/Plates and Cotter Pins
    13
  - Bearings and Oil Seals
    13
  - Circlips
    13
- Checking the Connections
  14
- Special Tools
  15
2 Spec

19
- Chapter 2. Specifications
  20
- General Specifications
  20
- Maintenance Specifications
  23
  - Engine
    23
- Carburetor
  25
  - Chassis
    27
    
    Electrical
    29
  - Conversion Table
    31
  - General Tightening Torque Specifications
    32
  - Tightening Torques
    33
    
    Tightening Torques Engine
    33
    
    Tightening Torques Chassis
    35
  - Lubrication Points and Lubricant Types
    36
    
    Engine
    36
    
    Chassis
    37
  - Cooling System Diagrams
    38
  - Lubrication Diagrams
    40
  - Cable Routing
    42
Periodic Checks and Adjustments Chapter 3.

48
- Chapter 3. Periodic Checks and Adjustments
  50
- Introduction
  50
- Periodic Maintenance and Lubrication Intervals
  50
- Cover and Panel
  52
- Engine
  57
- Chassis
  74
- Checking the Battery
  86
- Electrical System
  86
- Checking the Fuses
  89
- Replacing the Headlight Bulbs and the Front Turn Signal Light Bulbs
  90
- Replacing the Rear Turn Signal Light Bulbs
  91
- Replacing the Tail/Brake Light Bulbs
  92
- Chk Adj
  93
  - Adjusting the Headlight Beams
    93
  - Adjusting the Digital Clock
    93
- Eng
  94
. Overhauling the Engine

95
- Chapter 4. Overhauling the Engine
  97
- Engine
  97
  - Wiring Harness, Cable
    97
  - Hoses, Air Filter, Engine Mounting Bolt and Engine
    99
- Camshaft
  100
- Cylinder Head
  106
  - Removing the Cylinder Head
    108
  - Checking the Cylinder Head
    108
  - Installing the Cylinder Head
    109
- Valves and Valve Springs
  110
  - Removing the Valves
    111
  - Checking the Valves and Valve Guides
    112
  - Checking the Valve Seats
    113
  - Checking the Valve Springs
    115
  - Installing the Valves
    116
- Cylinder and Piston
  118
  - Removing the Cylinder and Piston
    119
  - Checking the Cylinder and Piston
    119
  - Checking the Piston Rings
    121
  - Checking the Piston Pin
    122
  - Installing the Piston and Cylinder
    122
- Clutch
  124
  - Crankcase Cover
    124
  - V-Belt, Clutch and Secondary/Primary Sheave
    127
  - Secondary Sheave
    127
  - Removing the Primary Sheave
    127
  - Removing the Secondary Sheave and V-Belt
    127
  - Disassembling the Secondary Sheave
    128
  - Checking the Clutch
    128
  - Checking the Clutch Housing
    129
  - Checking the Clutch Springs
    129
  - Checking the V-Belt
    129
  - Checking the Weights
    130
  - Checking the Secondary Sheave
    130
  - Assembling the Primary Sheave
    130
  - Installing the Secondary Sheave
    131
- Starter Clutch and Generator
  133
  - Magneto Cover and Stator Coil
    133
  - Starter Cluth
    134
  - Checking the Starter Clutch
    135
  - Installing the Generator
    135
- Oil Pump
  136
  - Checking the Oil Pump
    137
- Crankcase and Crankshaft
  138
  - Disassembling the Crankcase
    140
  - Removing the Crankshaft Assembly
    140
  - Checking the Crankshaft and Connecting Rod
    141
  - Checking the Crankcase
    142
  - Checking the Bearings and Oil Seals
    142
  - Checking the Circlips and Washers
    142
  - Installing the Crankshaft
    142
  - Assembling the Crankcase
    143
- Transmission
  144
- Cool
  146
5 Cool

147
- Chapter 5. Cooling System
  148
- Radiator
  148
  - Checking the Radiator
    150
  - Installing the Radiator
    150
- Thermostat
  151
  - Checking the Thermostat
    152
  - Installing the Thermostat
    152
- Water Pump
  153
  - Checking the Water Pump
    154
  - Installing the Water Pump
    154
- Carb
  156
- Chas
  165
7 Chas

166
- Chapter 7. Chassis
  168
- Front Wheel and Brake Disc
  168
  - Removing the Front Wheel
    169
  - Checking the Front Wheel
    170
  - Checking the Brake Disc
    171
  - Checking the Speedometer Gear Unit
    172
  - Assembling the Front Wheel
    172
  - Installing the Front Wheel
    173
  - Adjusting the Front Wheel Static Balance
    173
- Rear Wheel and Brake
  175
  - Checking the Rear Wheel
    176
  - Checking the Rear Brake
    176
  - Assembling the Brake Shoe Plate
    177
  - Installing the Rear Wheel
    177
  - Adjusting the Rear Wheel Static Balance
    178
- Front Brake
  179
- Front Fork
  190
  - Front Fork Disassembly
    191
  - Removing the Front Fork Legs
    192
  - Disassembling the Front Fork Legs
    192
  - Checking the Front Fork Legs
    193
  - Assembling the Front Fork Legs
    194
  - Installing the Front Fork Legs
    197
- Handlebar
  198
  - Checking the Handlebar
    199
  - Installing the Handlebar
    199
- Steering Head
  201
  - Removing the Lower Bracket
    202
  - Checking the Steering Head
    202
  - Installing the Steering Head
    203
- Rear Shock Absorber and Exhaust Pipe
  204
  - Checking the Rear Shock Absorber Assembly
    205
- Elec
  206
8 Elec

207
- Chapter 8
  208
- Electrical Components
  208
- Switches
  209
  - Checking Switch Continuity
    209
- Checking the Switches
  210
- Checking the Bulbs and Bulb Sockets
  211
- Ignition System
  214
  - Circuit Diagram
    214
  - Troubleshooting
    215
- Electric Starting System
  218
  - Circuit Diagram
    218
  - Troubleshooting
    219
- Starter Motor
  221
  - Checking the Starter Motor
    223
  - Assembling the Starter Motor
    224
- Charging System
  226
  - Circuit Diagram
    226
  - Troubleshooting
    227
- Lighting System
  229
  - Circuit Diagram
    229
  - Troubleshooting
    230
  - Checking the Lighting System
    231
- Signaling System
  234
  - Circuit Diagram
    234
  - Troubleshooting
    236
  - Checking the Signaling System
    237
- Cooling System
  243
  - Circuit Diagram
    243
  - Troubleshooting
    244
- Carburetor Heating System
  247
  - Circuit Diagram
    247
- Trbl Shtg
  250
Trbl Shtg

251
- Troubleshooting
  251
- Chapter 9
  253
- Engine
  253
- Fuel System
  253
- Starting Failure/Hard Starting
  253
- Electrical Systems
  254
- Incorrect Engine Idling Speed
  254
  - Engine
    254
  - Fuel System
    254
- Poor Medium-And-High-Speed Performance
  254
- Faulty Clutch
  255
  - Engine Operates but Scooter will Not Move
    255
  - Clutch Slips
    255
  - Poor Starting Performance
    255
  - Poor Speed Performance
    255
- Overheating
  255
  - Engine
    255
  - Cooling System
    255
  - Fuel System
    255
  - Chassis
    255
- Faulty Front Fork Legs
  256
  - Leaking Oil
    256
  - Malfunction
    256
    
    Unstable Handling
    257
    
    Faulty Lighting or Signaling System
    257
- Overcooling
  256
  - Cooling System
    256
- Poor Braking
  256

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