Yamaha LB50IIAC Manuals

Manuals and User Guides for Yamaha LB50IIAC. We have 1 Yamaha LB50IIAC manual available for free PDF download: Service Manual

Yamaha LB50IIAC Service Manual

Yamaha LB50IIAC Service Manual (165 pages)

Brand: Yamaha | Category: Motorcycle | Size: 3.87 MB

Table of Contents

Chapter 1. General Information

4
- Table of Contents
  4
- Features
  6
- Machine Identification
  10
- External View
  11
- Specifications
  13
  - General Specifications
    13
  - Maintenance Specifications
    16
- General Torque Specifications
  24
- Cable Routing
  25
- Special Tools
  34
Chapter 2. Periodic Inspections and Adjustments

36
- Introduction
  38
- Special Tools
  38
- Lubrication Intervals
  39
- Maintenance Intervals
  39
- Engine
  41
  - Carburetor
    41
  - Air Cleaner
    41
  - Autolube Pump
    43
  - Engine and Transmission Oil
    44
  - Cylinder Head
    46
- Chassis
  47
  - Fuel Petcock
    47
  - Front Brake and Wheel
    47
  - Rear Brake and Wheel
    48
  - Drive Chain
    48
  - Suspension, Steering and Swing Arm
    50
- Electrical
  51
  - Spark Plug
    51
  - Battery
    51
  - Headlight Beam Adjustment
    52
Chapter 3. Engine Overhaul

53
- Removal
  55
  - Preparation for Removal
    55
  - Removal
    58
- Disassembly
  58
  - Reed Valve Assembly
    58
  - Cylinder Head and Cylinder
    59
  - Piston Pin and Piston
    59
  - Crankcase Cover, Right
    59
  - Clutch Assembly and Primary Gear
    60
  - Kick Axle Assembly
    61
  - Shifter Rod Assembly
    61
  - Crankcase
    62
  - Transmission
    62
  - Crankshaft Assembly
    63
- Inspection and Repairing
  63
  - Cylinder Head
    63
  - Cylinder
    64
  - Piston Pin and Bearing
    64
  - Pi~N
    65
  - Piston Rings
    67
  - Autolube Pump
    68
  - Clutch
    72
  - Kick Starter
    74
  - Sub-Transmission
    75
  - Crankshaft
    76
  - Bearings and Oil Seals
    77
  - Crankcase
    78
- Engine Assembling and Adjustment
  79
  - Crankshaft Installation
    79
  - Sub-Transmission Installation
    80
  - Crankcase
    84
  - Shifter
    85
  - Kick Starter Assembly
    85
  - Pump Drive Gear and Primary Drive Gear
    85
  - Primary Gears and Clutches
    86
  - Crankcase Cover, Right
    86
Chapter 4. Carburetion

91
- Air Cleaner
  93
  - Description
    93
- Carburetor
  94
  - Description
    95
  - Disassembly
    95
  - Troubleshooting and Repair
    96
  - Disassembling the Mixing Chamber
    99
  - Reassembly and Installation
    100
- Reed Val Ve Ass Em Bl V
  101
  - Description
    101
  - Removal and Assembly
    102
  - Insulator
    103
Chapter 5. Chassis

104
- Front Wheel
  106
  - Removal
    106
  - Front Axle
    107
  - Checking the Brake Lining Thickness
    107
  - Bra~Drum
    108
  - Replacing Wheel Bearings
    108
  - Installing Front Wheel
    108
- Front and Rear Wheels
  110
- Rear Wheel
  110
  - Removal
    110
  - Checking the Brake Lining Thickness
    110
  - Bra~Drum
    110
  - Replacing Wheel Bearings
    110
  - Installing Rear Wheel
    110
- Tires and Tubes
  112
  - Removal
    112
  - Installation
    112
- Drive Chain and Sprockets
  113
  - Drive Sprocket
    113
  - Driven Sprocket
    114
  - Chain Inspection
    114
  - Chain Maintenance
    115
- Front Forks
  116
  - Disassembly
    116
  - Inspection
    118
  - Assembly
    118
- Steering Head
  120
  - Adjustment
    120
  - Disassembly
    120
  - Inspection
    122
  - Removal
    122
  - Installation
    123
- Swing Arm
  125
  - Swing Arm Inspection
    125
  - Swing Arm Lubrication
    125
  - Swing Arm Removal
    125
- Auto-Cock
  127
  - Advantages of the Auto-Cock
    127
  - Construction
    127
  - Position of the Cock Lever and Fuel Passages
    128
  - Check Lever Position for Travelling
    129
  - Checking
    129
- Cables and Fittings
  130
  - Cable Maintenance
    130
  - Throttle Maintenance
    132
  - Cable Junction Maintenance
    132
- Miscellaneous Chassis Components
  133
Chapter 6. Electrical

135
- Electrical Components
  137
- Chacking of Connections
  138
- Ignition System
  139
  - Circuit Diagram
    139
  - Troubleshooting
    140
- Charging System
  144
  - Circuit Diagram
    144
  - Troubleshooting
    145
  - Troubleshooting
    149
- Lighting System
  150
  - Circuit Diagram
    151
- Signal System
  151
  - Troubleshooting
    153
  - Signal System Check
    155

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