Yamaha JYM125 Manuals

Manuals and User Guides for Yamaha JYM125. We have 1 Yamaha JYM125 manual available for free PDF download: Service Manual

Yamaha JYM125 Service Manual

Yamaha JYM125 Service Manual (218 pages)

Brand: Yamaha | Category: Motorcycle | Size: 12.76 MB

Table of Contents

6
- How to Use this Manual
  3
- Table of Contents
  6
- Chapter 1 General Information
  
  10
- Chapter 2 Specification
  
  17
  - Main Specification
    17
  - Engine
    18
  - Engine
    26
  - Lubrication Diagram
    31
  - Electrical System
    39
- Chapter 3 Periodic Inspection and Adjustment
  
  39
  - Brief Introduction/Contents of Periodic Inspection
    39
  - Removal and Installation of Cushion,Fuel Tank and Cover Alike
    39
  - Adjustment of Idle Speed
    39
  - Drainage/Check and Adjustment of Free Play of Throttle Cable
    39
  - Carburetor
    40
    
    Throttle Cable
    47
    
    Check of Spark Plug
    48
    
    Check of Compression Pressure
    49
    
    Replacement of Engine Lubricating-Oil/Check of Lubricating-Oil Pressure
    51
    
    Check of Front Brake Pad
    55
  - Check of Front Brake(Disk Type)
    56
  - Check the Brake Liquid Quantity/Exhausting Air
    57
  - Replacing Brake Fluid
    58
  - Check and Adjust Rear Brake
    59
  - Check and Adjust Driving Chain
    61
    
    Check of Front Fork
    61
    
    Adjustment of Rear Shock Absorber
    62
    
    Check of Tire
    63
    
    Check of Steering Device
    64
    
    Check of Battery
    65
    
    Kick Starter
    68
    
    Engine Oil Pump,Filter
    68
    
    Crankcase
    68
    
    Bearing,Oil Seal
    68
    
    Elastic Circlip,Washer
    68
  - Disassembly of Exhaust Pipe and Lead Wire
    68
  - Assembly and Adjustment of Engine
    69
    
    Air Valve
    69
    
    Crank,Balance Device
    69
    
    Transmission
    69
  - Shift Cam,Shifting Fork
    69
    
    Crankcase
    69
    
    Shift Axle,Starting Axle,Idle Gear
    69
    
    Clutch,Engine Il Pump O
    69
    
    Timing ,Pneumatic System
    69
    
    Piston and Piston Ring
    69
- Chapter 4 Disassembly of Engine
  
  70
  - Cylinder Head
    74
  - Cylinder Head
    87
  - Air Valve and Guide Pipe of Air Valve
    89
  - Air Valve Spring
    91
  - Camshaft
    92
  - Cylinder and Piston
    95
  - Piston Pin
    96
  - Piston Ring
    97
  - Crank
    98
  - Balance Device
    100
  - Crankcase
    106
  - Air Valve
    108
  - Transmission
    114
  - Crankcase
    117
  - Cylinder and Piston
    132
  - Cylinder Head
    133
- Chapter 5 Disassembling of Carburetor
  
  135
  - General Drawing of Carburetor
    135
Chapter 6 Chassis

142
- Inspection of Front and Rear Wheels
  143
- Inspection of Front Wheel
  146
- Speedometer Gear Assy
  147
- Front Brake
  148
- Installation of Front Wheel
  151
- Rear Wheel
  152
- Rear Brake Hub
  155
- Drive Chain
  158
- Inspection of Drive Chain
  158
- Inspection of Clutch Hub
  159
- Installation of Drive Chain
  160
- Removal of Front Fork
  162
- Inspection of Front Fork
  164
- Front Fork Assembling
  165
- Inspection of Handle
  171
  - Steering Shaft and Handle
    173
- Rear Shock Absorber and Rear Arm
  174
  - Removal
    175
  - Inspection
    175
Chapter 7 Circuit

176
- General Drawing of Circuit
  176
  - Electric Components
    179
- Electric Components
  180
  - Inspection of Socket Connector
    181
- Chapter 8 Troubleshooting
  
  184
  - Inspection of Socket Connector
    186
    
    Starting System
    188
  - Starting System
    189
  - Starting System
    190
  - Starting Motor
    193
  - Charge System
    198
  - Lighting System
    202
  - Lighting System
    206
  - Signal System
    207
    
    Signal System
    211
  - Electric Appliance System
    216
  - Intake and Exhaust System
    218

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