User Manuals: Yamaha 2011 YZ250A Motocross Bike

Manuals and User Guides for Yamaha 2011 YZ250A Motocross Bike. We have 1 Yamaha 2011 YZ250A Motocross Bike manual available for free PDF download: Owner's Manual

Yamaha 2011 YZ250A Owner's Manual

Yamaha 2011 YZ250A Owner's Manual (175 pages)

Brand: Yamaha | Category: Motorcycle | Size: 8 MB

Table of Contents

Safety Information
6
How to Use this Manual
7
How to Read Descriptions
8
Illustrated Symbols
8
Table of Contents
9
General Information
10
- Location of Important Labels
  11
- Location of Important Labels
  14
Description
15
- Consumer Information
  16
- Included Parts
  16
- Preparation for Removal and Disassembly
  16
- Vehicle Identification Number
  16
- Bearings and Oil Seals
  17
- Checking of Connection
  17
- Gaskets, Oil Seals and O-Rings
  17
- Lock Washers/Plates and Cotter Pins
  17
Special Tools
18
- Control Functions
  21
- Engine Stop Switch
  21
- Starting and Break-In
  21
- Throttle Grip
  21
- Air Filter Maintenance
  22
- Handling Note
  22
- Starting a Cold Engine
  22
- Starting a Warm Engine
  22
- Torque-Check Points
  23
- Cleaning and Storage
  24
- Maintenance after Break-In
  24
- Major Maintenance
  24
- General Specifications
  25
- Maintenance Specifications
  27
- Chassis Specifications
  30
- Electrical Specifications
  31
- Tightening Torques
  32
- General Torque Specifications
  37
- Cable Routing Diagram
  38
- Maintenance Intervals
  45
Regular Inspection and Adjustments
45
Engine
50
Chassis
54
Chapter 2 Specifications

57
Chapter 4 Engine

59
Chapter 5 Chassis

60
Chapter 1 Chapter 7

85
- Clutch
  85
- Water Pump
  97
  - Checking the Impeller Shaft
    98
  - Checking the Oil Seal
    98
  - Removing the Impeller Shaft
    98
  - Removing the Oil Seal
    98
- CDI Magneto
  100
  - Removing the CDI Magneto
    100
  - Checking the CDI Magneto
    101
  - Checking the Woodruff Key
    101
  - Installing the CDI Magneto
    101
  - Removing the Rotor
    101
- Engine Removal
  102
  - Installing the Brake Pedal
    104
  - Installing the Drive Sprocket
    104
  - Installing the Engine
    104
  - Removing the Drive Sprocket
    104
  - Crankcase and Crankshaft
    106
  - Removing the Crankshaft
    106
  - Checking the Crankshaft
    108
  - Disassembling the Crankcase
    108
  - Removing the Crankcase Bearing
    108
  - Removing the Segment
    108
  - Installing the Crankcase Bearing
    109
  - Installing the Crankshaft
    109
  - Installing the Oil Seal
    109
  - Removing the Transmission, Shift Cam and Shift Fork
    111
  - Shift Cam and Shift Fork
    111
  - Checking the Bearing, the Shift Fork, Shift Cam and Segment
    112
  - Checking the Gears
    112
  - Installing the Transmission
    112
  - Removing the Transmission
    112
  - Front Wheel and Rear Wheel
    114
  - Removing the Front Wheel
    114
  - Removing the Rear Wheel
    115
  - Checking the Brake Disc
    116
  - Checking the Wheel Axle
    116
  - Installing the Front Wheel
    116
  - Removing the Wheel Bearing
    116
  - Installing the Rear Wheel
    117
  - Front Brake and Rear Brake
    119
  - Removing the Front Brake
    119
  - Disassembling the Brake Caliper
    121
  - Disassembling the Brake Master Cylinder
    122
  - Checking the Brake Master Cylinder
    123
  - Draining the Brake Fluid
    123
  - Removing the Brake Caliper Piston
    123
  - Removing the Brake Caliper Piston Seal Kit
    123
  - Checking the Brake Caliper
    124
  - Checking the Brake Hose
    124
  - Installing the Brake Caliper Piston
    124
  - Installing the Front Brake Caliper
    124
  - Installing the Brake Master Cylinder Kit
    125
  - Installing the Rear Brake Caliper
    125
  - Installing the Front Brake Hose
    126
  - Installing the Front Brake Master Cylinder
    126
  - Installing the Rear Brake Master Cylinder
    126
  - Filling the Brake Fluid
    127
  - Installing the Rear Brake Hose
    127
Chapter 3

129
- Front Fork
  129
  - Removing the Front Fork
    129
  - Disassembling the Front Fork
    130
  - Checking the Damper Assembly
    131
  - Removing the Adjuster
    131
  - Removing the Damper Assembly
    131
  - Removing the Inner Tube
    131
  - Assembling the Front Fork
    132
  - Checking the Base Valve
    132
  - Checking the Collar
    132
  - Checking the Fork Spring
    132
  - Installing the Front Fork
    135
- Handlebar
  137
  - Removing the Handlebar
    137
  - Disassembling the Throttle
    138
  - Assembling the Throttle
    139
  - Installing the Handlebar
    139
  - Removing the Brake Master Cylinder
    139
  - Removing the Grip
    139
  - Removing the Steering
    142
- Steering
  142
  - Checking the Bearing and Bearing Race
    143
  - Removing the Bearing Race
    143
  - Removing the Lower Bearing
    143
  - Removing the Steering Ring Nut
    143
  - Removing the Swingarm
    145
- Swingarm
  145
  - Disassembling the Swingarm
    146
  - Checking the Connecting Rod
    147
  - Checking the Swingarm
    147
  - Removing the Bearing
    147
  - Removing the Cap
    147
  - Installing the Swingarm
    148
  - Rear Shock Absorber
    150
  - Removing the Rear Shock Absorber
    150
  - To Check the Rear Shock Absorber
    151
  - Installing the Rear Shock Absorber
    152
  - Installing the Spring (Rear Shock Absorber)
    152
  - Electrical Components and Wiring Diagram
    154
  - Ignition System - Inspection Steps
    155
  - Checking the Couplers, Leads and Ignition Coil Connection
    156
  - Checking the Engine Stop Switch
    156
  - Checking the Spark Plug Cap
    156
  - Spark Gap Test
    156
  - Checking the CDI Unit
    157
  - Checking the Neutral Switch
    157
  - Solenoid Valve System - Inspection Steps
    158
  - Checking the Couplers and Leads Connection
    159
  - Checking the Solenoid Valve Coil
    159
  - Checking the Solenoid Valve Operation
    159
  - Throttle Position Sensor System - Inspection Steps
    160
  - Changing and Adjusting the Throttle Position Sensor
    161
  - Checking the Couplers and Leads Connections
    161
  - Checking the Throttle Position Sensor Coil
    161
  - Checking the Throttle Position Sensor Input Voltage
    162
  - Adjusting the Main Jet
    163
  - Carburetor Setting
    163
  - Test Run
    163
  - Tuning the Engine
    163
  - Adjusting the Jet Needle
    164
  - Adjusting the Pilot Jet
    164
  - Adjusting the Power Jet
    164
  - Adjustingt the Jet Needle Groove Position
    164
  - Carburetor Setting Parts
    165
  - Relationship with Throttle Opening
    165
  - Road Conditions and Examples of Carburetor Setting - Table
    166
  - Examples of Carburetor Setting Depending on Symptom
    167
  - Change of the Heat Range of Spark Plugs
    168
  - Drive and Rear Wheel Sprocket Setting Parts
    168
  - Selection of the Secondary Reduction Ratio (Sprocket)
    168
  - Tire Pressure
    168
  - Change in Amount and Characteristics of Fork Oil
    169
  - Front Fork Setting
    169
  - Rear Suspension Setting
    169
  - Setting of Spring after Replacement
    169
  - Adjustment of Spring after Replacement
    170
  - Choosing Set Length
    170
  - Rear Shock Absorber Setting Parts
    170
  - Extent of Adjustment Table (Spring Pre-Load)
    171
  - Suspension Setting (Front Fork)
    172
  - Suspension Setting (Rear Shock Absorber)
    173

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