Yamaha YZ250M2 2021 Manuals

Manuals and User Guides for Yamaha YZ250M2 2021. We have 1 Yamaha YZ250M2 2021 manual available for free PDF download: Owner's Manual

Yamaha YZ250M2 2021 Owner's Manual

Yamaha YZ250M2 2021 Owner's Manual (148 pages)

Brand: Yamaha | Category: Motorcycle | Size: 4 MB

Table of Contents

Table of Contents

7
- For Safety, be Sure to Obey the Following
  11
- Safety Information
  11
- Location of Important Labels
  14
- Description
  15
- Identification
  16
- Vehicle Identification Number
  16
- Engine Serial Number
  16
- Valve Joint
  17
- Set Pin
  17
- SIDESTAND (for YZ250)
  17
- Nipple Wrench
  17
- Included Parts
  17
- Important Information
  18
- Preparation for Removal and Disassembly
  18
- Replacement Parts
  18
- FUEL COCK (for YZ250)
  19
- Rear Brake Pedal
  19
- Front Brake Lever
  19
- Kickstarter Lever
  19
- Engine Stop Switch
  19
- Instrument and Control Functions
  19
- Shift Pedal
  19
- FUEL COCK (for YZ250X)
  20
- Starter Knob (Choke)
  20
- SIDESTAND (for YZ250X)
  20
- Starting a Warm Engine
  21
- Break-In Procedures
  21
- Starting a Cold Engine
  21
- Fuel and Engine Mixing Oil
  21
- Starting and Break-In
  21
- Maintenance after Break-In
  23
- Major Maintenance
  23
- Air Filter Maintenance
  23
- Torque-Check Points
  24
Specifications

29
- General Specifications
  30
- Engine Specifications
  31
- Chassis Specifications
  33
- General Tightening Torque Specifications
  36
- Tightening Torques
  36
Periodic Checks and Adjustments

43
Chassis

71
- General Chassis
  73
- Removing the Number Plate
  73
- Removing the Side Cover
  73
- Front Wheel
  74
- Installing the Front Wheel
  74
- Removing the Front Wheel
  74
- Checking and Replacing the Rear Wheel Sprocket
  75
- Installing the Rear Wheel
  75
- Rear Wheel
  75
- Removing the Rear Wheel
  75
- Front Brake
  77
- Replacing the Front Brake Pads
  77
- Rear Brake
  79
- Replacing the Rear Brake Pads
  79
- Checking the Handlebar
  81
- Handlebar
  81
- Installing the Handlebar
  81
- Removing the Handlebar
  81
- Disassembling the Front Fork Legs
  86
- Front Fork
  86
- Removing the Front Fork Legs
  86
- Checking the Front Fork Legs
  87
- Assembling the Front Fork Legs
  88
- Installing the Front Fork Legs
  94
- Checking the Steering Head
  96
- Installing the Steering Head
  96
- Removing the Lower Bracket
  96
- Steering Head
  96
- Checking the Rear Shock Absorber Assembly
  99
- Rear Shock Absorber Assembly
  99
- Removing the Rear Shock Absorber Assembly
  99
- Removing the Swingarm
  100
- Swingarm
  100
- Chain Drive
  101
- CHECKING the DRIVE CHAIN (for YZ250)
  101
- REMOVING the DRIVE CHAIN (for YZ250)
  101
- REMOVING the DRIVE CHAIN (for YZ250X)
  101
- CHECKING the DRIVE CHAIN (for YZ250X)
  102
- Checking the Drive Sprocket
  103
- Checking the Rear Wheel Sprocket
  103
- INSTALLING the DRIVE CHAIN (for YZ250)
  103
- INSTALLING the DRIVE CHAIN (for YZ250X)
  104
- Engine
  107
- Electrical System
  113
Troubleshooting

115
- General Information
  116
- Troubleshooting
  116
- Troubleshooting of Engine
  116
- Troubleshooting of Clutch
  121
- Troubleshooting of Transmission
  122
- Troubleshooting of Cooling System
  123
- Troubleshooting of Brake
  124
- Troubleshooting of Suspension
  124
- Troubleshooting of Steering/Handling
  126
Tuning

129
- Atmospheric Conditions and Carburetor Settings
  130
- Carburetor Setting
  130
- Engine
  130
- Test Run
  130
- Adjusting the Power Jet
  131
- Effects of the Setting Parts on the Throttle Valve Opening
  131
- Main Jet Adjustment
  131
- Pilot Air Screw Adjustment
  131
- Jet Needle Adjustment
  132
- Pilot Jet Adjustment
  132
- Jet Needle Groove Position Adjustment
  133
- Relationship with Throttle Opening
  133
- Carburetor Setting Parts
  134
- Examples of Carburetor Setting Depending on Symptom
  135
- Road Condition and Examples of Carburetor Setting
  135
- Change of the Heat Range of Spark Plugs
  137
- Chassis
  138
- Drive and Rear Wheel Sprockets Setting Parts
  138
- Selection of the Secondary Reduction Ratio (Sprocket)
  138
- Tire Pressure
  138
- Change in Amount and Characteristics of Fork Oil
  139
- Front Fork Setting
  139
- Setting of Spring after Replacement
  139
- Choosing Set Length
  140
- Front Fork Setting Parts
  140
- Rear Suspension Setting
  140
- Rear Shock Absorber Setting Parts
  141
- Setting of Spring after Replacement
  141
- Suspension Setting (Front Fork)
  143
- Suspension Setting (Rear Shock Absorber)
  144

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