Yamaha YZ125 2009 Manuals

Yamaha YZ125 2009 Manuals

Manuals and User Guides for Yamaha YZ125 2009. We have 1 Yamaha YZ125 2009 manual available for free PDF download: Owner's Service Manual

Yamaha YZ125 2009 Owner's Service Manual

Yamaha YZ125 2009 Owner's Service Manual (235 pages)

Brand: Yamaha | Category: Motorcycle | Size: 14.2 MB

Table of Contents

Important Manual Information
4
Safety Information
5
F.I.M. Machine Weights
7
Weights of Machines Without Fuel
7
Finding the Required Page
8
General Information
8
- Manual Format
  8
- How to Read Descriptions
  9
- Illustrated Symbols
  10
- Table of Contents
  11
- Contents
  12
General Information
12
Chapter 1

15
- Location of Important Labels
  15
- General Information
  15
- Description
  16
- Machine Identification
  17
  - Vehicle Identification Number
    17
  - Engine Serial Number
    17
  - Model Label
    17
- Included Parts
  18
  - Detachable Sidestand
    18
  - Nipple Wrench
    18
  - Valve Joint
    18
- Important Information
  19
- Checking of Connection
  21
- Special Tools
  22
- Control Functions
  25
  - Engine Stop Switch
    25
  - Clutch Lever
    25
  - Shift Pedal
    25
  - Rear Brake Pedal
    26
  - Fuel Cock
    26
  - Starter Knob (Choke)
    26
- Starting and Break-In
  27
  - Fuel
    27
  - Air Filter Maintenance
    27
  - Starting a Cold Engine
    27
- Torque-Check Points
  29
- Cleaning and Storage
  30
- General Specifications
  31
- Maintenance Specifications
  33
- Tightening Torques
  39
  - General Torque Specifications
    43
  - Definition of Units
    44
- Cable Routing Diagram
  46
- Regular Inspection and Adjustments
  54
- Maintenance Intervals
  54
  - Pre-Operation Inspection and Maintenance
    58
  - General Inspection and Maintenance
    58
- Engine
  59
- Chassis
  66
Chapter 2 Specifications

71
- Adjusting the Drive Chain Slack
  72
Chapter 3 Adjustments

72
Chapter 4

85
- Seat, Fuel Tank and Side Covers
  85
- Exhaust Pipe and Silencer
  87
  - Removing the Exhaust Pipe and Silencer
    87
  - Changing the Silencer Fiber
    88
  - Removing the Radiator
    89
  - Checking the Radiator
    90
  - Installing the Radiator
    90
- Carburetor and Reed Valve
  92
  - Removing the Carburetor and Reed Valve
    92
  - Disassembling the Carburetor
    93
  - Removing the Throttle Valve
    94
  - Checking the Carburetor
    94
  - Checking the Needle Valve
    95
  - Checking the Throttle Valve
    95
  - Checking the Jet Needle
    95
  - Checking the Filter
    95
  - Checking the Float
    96
  - Checking the Reed Valve
    96
  - Installing the Reed Valve
    96
  - Assembling the Carburetor
    97
  - Installing the Carburetor
    99
  - Cylinder Head, Cylinder and Piston
    100
  - Removing the Cylinder Head and Cylinder
    100
  - Removing the Piston and Power Valve
    101
  - Removing the Push Rod
    102
  - Removing the Piston and Piston Ring
    102
  - Checking the Cylinder Head
    102
  - Checking the Cylinder
    103
  - Checking the Piston
    104
  - Checking the Piston Pin and Small End Bearing
    104
  - Checking the Piston Ring
    105
  - Checking the Piston Clearance
    105
  - Checking the Power Valve
    106
  - Checking the Power Valve Hole on Cylinder
    106
  - Installing the Power Valve
    107
  - Installing the Piston Ring and Piston
    108
  - Installing the Cylinder Head and Cylinder
    109
  - Removing the Clutch
    111
  - Removing the Clutch Boss
    112
  - Checking the Clutch Housing and Boss
    113
  - Checking the Primary Driven Gear
    113
  - Checking the Clutch Springs
    113
  - Checking the Friction Plates
    113
  - Checking the Push Lever Shaft
    114
  - Checking the Push Rod
    114
  - Installing the Clutch
    114
  - Installing the Push Lever Shaft
    114
- Kick Shaft and Shift Shaft
  117
- Ypvs Governor
  125
  - Removing the Ypvs Governor
    125
  - Removing the Governor
    126
  - Checking the Governor Groove
    126
  - Checking the Bearing
    126
  - Installing the Governor
    126
- Water Pump
  128
  - Disassembling the Water Pump
    128
  - Removing the Oil Seal
    129
  - Checking the Impeller Shaft
    129
  - Checking the Impeller Shaft Gear
    129
  - Checking the Oil Seal
    129
  - Installing the Impeller Shaft
    130
  - Removing the CDI Magneto
    131
  - Removing the Rotor
    132
  - Checking the CDI Magneto
    132
  - Checking the Woodruff Key
    132
  - Installing the CDI Magneto
    132
- Engine Removal
  134
  - Removing the Engine
    134
  - Removing the Drive Sprocket
    136
  - Installing the Engine
    136
  - Installing the Brake Pedal
    137
  - Installing the Drive Sprocket
    137
  - Removing the Crankshaft
    138
- Crankcase and Crankshaft
  138
  - Removing the Segment
    140
  - Disassembling the Crankcase
    140
  - Removing the Crankcase Bearing
    140
  - Checking the Crankcase
    141
  - Checking the Crankshaft
    141
  - Installing the Crankcase Bearing
    142
  - Installing the Oil Seal
    142
  - Installing the Crankshaft
    142
  - Removing the Transmission, Shift Cam and Shift Fork
    145
  - Removing the Transmission
    146
  - Checking the Gears
    146
  - Checking the Shift Fork, Shift Cam and Segment
    146
  - Installing the Transmission
    147
  - Installing the Shift Cam and Shift Fork
    148
  - Removing the Front Wheel
    151
Chapter 5

151
- Front Wheel and Rear Wheel
  151
  - Removing the Rear Wheel
    152
  - Removing the Wheel Bearing
    153
  - Checking the Wheel
    153
  - Checking the Wheel Axle
    153
  - Checking the Brake Disc
    154
  - Installing the Front Wheel
    154
  - Installing the Rear Wheel
    156
- Front Brake and Rear Brake
  158
  - Removing the Front Brake
    158
  - Removing the Rear Brake
    159
  - Disassembling the Brake Caliper
    160
  - Disassembling the Brake Master Cylinder
    161
  - Draining the Brake Fluid
    162
  - Removing the Brake Caliper Piston
    162
  - Removing the Brake Caliper Piston Seal Kit
    163
  - Checking the Brake Master Cylinder
    163
  - Checking the Brake Caliper
    164
  - Checking the Brake Hose
    164
  - Installing the Brake Caliper Piston
    164
  - Installing the Front Brake Caliper
    165
  - Installing the Rear Brake Caliper
    165
  - Installing the Brake Master Cylinder Kit
    166
  - Installing the Front Brake Master Cylinder
    167
  - Installing the Rear Brake Master Cylinder
    168
  - Installing the Front Brake Hose
    169
  - Installing the Rear Brake Hose
    170
  - Filling the Brake Fluid
    170
  - Removing the Front Fork
    172
  - Disassembling the Front Fork
    173
  - Removing the Damper Assembly
    174
  - Removing the Adjuster
    174
  - Removing the Inner Tube
    174
  - Removing the Base Valve
    175
  - Checking the Damper Assembly
    175
  - Checking the Base Valve
    175
  - Checking the Collar
    176
  - Checking the Fork Spring
    176
  - Checking the Inner Tube
    176
  - Checking the Outer Tube
    176
  - Assembling the Front Fork
    177
  - Installing the Front Fork
    183
  - Removing the Handlebar
    185
  - Disassembling the Throttle
    186
  - Removing the Brake Master Cylinder
    187
  - Removing the Grip
    187
  - Checking the Handlebar
    187
  - Assembling the Throttle
    187
  - Installing the Handlebar
    188
  - Removing the Steering
    192
  - Removing the Steering Ring Nut
    194
  - Removing the Lower Bearing
    194
  - Removing the Bearing Race
    194
  - Checking the Steering Stem
    194
  - Installing the Lower Bracket
    195
  - Removing the Swingarm
    197
  - Disassembling the Swingarm
    198
  - Removing the Cap
    199
  - Removing the Bearing
    199
  - Checking the Swingarm
    199
  - Checking the Relay Arm
    199
  - Installing the Bearing and Oil Seal
    200
  - Installing the Swingarm
    201
  - Removing the Rear Shock Absorber
    204
  - Installing the Bearing
    207
  - Installing the Spring (Rear Shock Absorber)
    208
  - Installing the Rear Shock Absorber
    208
  - Electrical Components and Wiring Diagram
    211
  - Electrical Components and Wiring Diagram
    212
  - Ignition System
    213
  - Spark Gap Test
    214
  - Checking the Couplers and Leads Connection
    214
  - Checking the Engine Stop Switch
    214
  - Checking the Ignition Coil
    214
  - Checking the Spark Plug Cap
    215
  - Checking the CDI Unit
    216
- Tuning
  217

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