YAMAHA YZ250F(R) Manuals

Manuals and User Guides for YAMAHA YZ250F(R). We have 3 YAMAHA YZ250F(R) manuals available for free PDF download: Owner's Service Manual, Assembly Manual

YAMAHA YZ250F(R) Owner's Service Manual

YAMAHA YZ250F(R) Owner's Service Manual (663 pages)

Brand: YAMAHA | Category: Motorcycle | Size: 40.32 MB

Table of Contents

Introduction
4
Important Notice
6
FIM Machine Weights
10
Description
12
- Finding the Required Page
  12
- How to Use the Manual
  12
Renseignements Generaux
13
- How to Read Descriptions
  14
- Manual Format
  14
- Illustrated Symbols
  16
- Index
  18
- Table of Contents
  20
Moteur
23
Partie Cycle
23
Partie Electrique
25
Engine
26
General Information Description
26
Fahrzeugbeschreibung
27
Informazioni Generali
27
Chapter 1

28
- Machine Identification
  28
  - Vehicle Identification Number
    28
  - Engine Serial Number
    28
  - Model Label
    28
  - Identificazione del Veicolo
    29
- Identification de la Machine
  29
- Fahrzeug-Identifizierung
  29
- Preparation for Removal and Disassembly
  30
- Important Information
  30
- Informations Importantes
  31
- Wichtige Informationen
  31
  - Informazioni Importanti
    31
  - All Replacement Parts
    32
  - Gaskets, Oil Seals and O-Rings
    32
  - Lock Washers/Plates and Cotter Pins
    32
  - Bearings and Oil Seals
    32
  - Circlips
    34
- Checking of Connection
  36
- Verification des Connexions
  37
- Anschlüsse Prüfen
  37
- Controllo Dei Collegamenti
  37
- Special Tools
  38
- Outils Speciaux
  41
- Spezialwerkzeuge
  44
- Utensili Speciali
  47
- Control Functions
  50
  - Engine Stop Switch
    50
  - Clutch Lever
    50
  - Shift Pedal
    50
- Fonctions des Commandes
  51
- Funzioni DI Comando
  51
  - Front Brale Lever
    52
  - Rear Brake Pedal
    52
  - Fuel Cock
    52
  - Cold Starter Knob
    52
  - Hot Starter Lever
    52
  - Detachable Sidestand
    54
  - Valve Joint
    54
  - Nipple Wrench
    54
- Essence
  57
- Kraftstoff
  57
- Starting and Break-In
  58
- Starting a Cold Engine
  58
- Mise en Marche Et Rodage
  59
- Avvio E Rodaggio
  59
- Anlassen und Einfahren
  59
  - Starting a Warm Engine
    62
  - Restarting an Engine after a Fall
    62
  - The Engine Fails to Start
    62
  - Break-In Procedures
    64
- Torque-Check Points
  64
- Torque-Check Points
  66
- Points de Verification de Couple de Serrage
  67
- Anzugsmomente Kontrollieren
  68
- Punti Per Il Controllo del Serraggio
  69
- Cleaning and Storage
  70
- Nettoyage Et Rangement
  71
- Reinigung und Stillegung
  71
  - Pulizia Ed Immagazzinaggio
    71
  - Storage
    72
Chapter 2

74
- General Specifications
  74
- Chassis
  75
- Maintenance Specifications
  77
  - Engine
    77
  - General Torque Specifications
    90
- Definition of Units
  90
  - Caracteristiques Generales
    91
  - Caracteristiques Generales de Couple
    107
- Technische Daten
  108
- Allgemeine Technische Daten
  108
- Wartungsdaten
  111
- Allgemeine Anzugsmomente
  124
- Einheiten
  124
- Specifiche Generali
  125
- Specifiche Generali
  126
  - Specifiche DI Manutenzione
    128
- Specifiche Relative alle Coppie DI Serraggio Generali
  141
- Definizione Delle Unità DI Misura
  141
- Cable Routing Diagram
  142
  - Cheminement des Cables
    143
  - Kabelführung
    143
- Schema del Percorso
  143
- Regular Inspection and Adjustments
  152
Chapter 3

152
- Maintenance Intervals
  152
- Intervalli DI Manutenzione
  161
  - Pre-Operation Inspection and Maintenance
    164
  - General Inspection and Maintenance
    164
  - Engine
    164
  - Chassis
    164
- Controlli Preliminarie Manutenzione
  167
  - Engine
    168
  - Coolant Level Inspection
    168
- Motore
  169
  - Coolant Replacement
    170
  - Radiator Cap Inspection
    172
  - Radiator Cap Opening Pressure Inspection
    174
  - Cooling System Inspection
    174
  - Clutch Adjustment
    176
  - Throttle Cable Adjustment
    178
  - Throttle Lubrication
    178
  - Hot Starter Lever Adjustment
    180
  - Air Filter Cleaning
    180
  - Engine Oil Level Inspection
    184
  - Engine Oil Replacement
    188
  - Engine Oil Replacement
    190
  - Oil Pressure Inspection
    192
  - Pilot Screw Adjustment
    192
  - Engine Idling Speed Adjustment
    194
  - Valve Clearance Inspection and Adjustment
    194
- Selle, Reservoir
  195
- Lateraux
  195
  - Valve Clearance Inspection and Adjustment
    204
  - Chassis
    208
  - Brake System Air Bleeding
    208
- Parte Ciclistica
  209
  - Partie Cycle
    209
  - Front Brake Adjustment
    210
  - Rear Brake Adjustment
    212
  - Front Brake Pad Inspection and Replacement
    212
  - Rear Brake Pad Inspection and Replacement
    216
  - Rear Brake Pad Insulator Inspection
    220
  - Brake Fluid Level Inspection
    220
  - Sprockets Inspection
    222
  - Drive Chain Inspection
    222
  - Drive Chain Slack Adjustment
    224
  - Front Fork Inspection
    226
  - Front Fork Oil Seal and Dust Seal Cleaning
    228
  - Front Fork Internal Pressure Relieving
    228
  - Front Fork Rebound Damping Force Adjustment
    228
  - Front Fork Compression Damping Force Adjustment
    230
  - Rear Shock Absorber Inspection
    232
  - Rear Shock Absorber Spring Preload Adjustment
    234
  - Rear Shock Absorber Rebound Damping Force Adjustment
    236
  - Rear Shock Absorber Low Compression Damping Force Adjustment
    238
  - Rear Shock Absorber High Compression Damping Force Adjustment
    240
  - Tire Pressure Check
    242
  - Spokes Inspection and Tightening
    242
  - Wheel Inspection
    242
  - Steering Head Inspection and Adjustment
    244
  - Lubrication
    248
- Electrical
  250
- Sperk Plug Inspection
  250
- Parte Elettrica
  251
- Moteur
  251
  - Ignition Timing Check
    252
  - Seat, Fuel Tak and Side Covers
    254
Chapter 4 Engine

254
- Side Cover Removal Points
  256
- Seat, Fuel Tank and Side Covers
  256
- Exhaust Pipe and Silencer
  258
- Exhaust Pipe and Silencer Removal
  258
- Tuyau D'echappement
  259
- Radiator
  262
  - Radiator Handling Note
    264
  - Radiator Inspection
    264
  - Radiator Assembly and Installation
    264
- Carburetor
  268
- Carburetor Removal
  268
- Carburateur
  269
  - Carburetor Disassembly
    270
  - Carburetor Handlisng Note
    274
  - Pilot Screw Removal Points
    274
  - Carburetor Inspection
    274
  - Needle Valve Inspection
    276
  - Throttle Valve Inspection
    276
  - Jet Needle Inspection
    276
  - Float Height Inspection
    278
  - Float Inspection
    278
  - Starter Plunger Inspection
    280
  - Accelerator Pump Inspection
    280
  - Carburetor Assembly and Installation
    280
  - Accelerator Pump Timing Adjustment
    288
  - Carburetor Installation
    290
  - Camshaft
    294
  - Cylinder Head Cover
    294
  - Camshafts
    296
  - Camshafts Removal
    296
  - Camshaft Removal Points
    298
- Arbres a Cames
  299
- Camshaft Inspection
  300
- Alberi a Camme
  301
  - Camshaft Sprocket Inspection
    302
  - Decompression System Inspection
    304
  - Timing Chain Tensioner Inspection
    304
  - Camshaft Assembly and Installation
    304
  - Cylinder Head
    312
  - Cylinder Head Removal
    312
- Culasse
  313
- Testata del Cilindro
  313
  - Cylinder Head Inspection
    314
  - Cylinder Head Assembly and Installation
    316
- Valves and Valve Springs
  318
  - Valves and Valve Springs Removal
    318
  - Ventile und Ventilfedern
    319
  - Valvole E Molle Valvole
    319
  - Valve Lifter and Valve Cotter Removal Points
    320
- Soupapes Et Ressorts de Soupape
  321
  - Valve Inspection
    322
  - Valve Spring Inspection
    330
  - Valve Lifter Inspection
    330
  - Soupapes Et Ressorts de Soupape
    331
  - Combination of Cylinder Head and Valve Lifter
    332
  - Valve and Valve Spring Assembly and Installation
    332
- Cylinder and Piston
  336
- Cylinder and Piston Removal
  336
- Cylindre Et Piston
  337
- Cilindro E Pistone
  337
  - Piston and Piston Ring Removal Points
    338
  - Cylinder and Piston Inspection
    338
  - Piston Ring Inspection
    342
  - Piston Pin Inspection
    344
  - Piston Ring and Piston Assembly and Installation
    344
  - Cylinder Assembly and Installation
    346
- Clutch
  350
- Clutch Removal
  350
- Embrayage
  351
  - Clutch Boss Removal Points
    354
  - Clutch Housing and Boss Inspection
    354
  - Primary Driven Gear Inspection
    354
  - Clutch Spring Inspection
    354
  - Friction Plate Inspection
    356
  - Clutch Plate Inspection
    356
  - Push Lever Shaft Inspection
    356
  - Push Rod Inspection
    356
  - Push Lever Shaft Assembly and Installation
    358
  - Clutch Assembly and Installation
    358
- Oil Filter Element, Water Pump and Right Crankcase Cover
  364
- Oil Filter Element, Water Pump and Right Crankcase Cover Removal
  364
- Element de Filtrea Huile, Pompe a Eau Et Demi-Carter Droit
  365
  - Impeller Shaft Removal Points
    368
  - Oil Seal Removal Points
    368
  - Oil Delivery Pipe Inspection
    368
  - Impeller Shaft Inspection
    370
  - Impeller Shaft Gear Inspection
    370
  - Bearing Inspection
    370
  - Oil Seal Inspection
    370
  - Impeller Shaft Assembly and Installation
    372
  - Right Crankcase Cover Assembly and Installation
    372
  - Kickstarter Crank Assembly and Installation
    374
  - Water Pump Housing Assembly and Installation
    376
  - Oil Filter Element Assembly and Installation
    376
- Balancer
  378
- Balancer Removal
  378
- Balancier
  379
- Oil Pump
  384
- Oil Pump Removal and Disassembly
  384
- Pompe a Huile
  385
  - Oil Pump Inspection
    388
  - Oil Pump Assembly and Installation
    390
- Kick Shaft and Shift Shaft
  394
- Kick Shaft and Shift Shaft Removal
  394
- Arbre de Kick Et Arbre de Selecteur
  395
- CDI Magneto
  408
- CDI Magneto Removal
  408
- Volant Magnetique CDI
  409
- Magnete CDI
  409
  - Rotor Removal Points
    410
  - CDI Magneto Inspection
    410
  - Woodruff Key Inspection
    410
  - CDI Magneto Assembly and Installation
    412
- Engine Removal
  416
- Depose du Moteur
  417
- Rimozione del Motore
  417
- Crankcase and Crankshaft
  426
- Crankcase and Crankshaft Removal
  426
- Carter Et Vilebrequin
  427
- Motor
  427
  - Carter E Albero Motore
    427
  - Crankcase Bearing
    430
  - Crankcase Bearing Removal
    430
  - Crankcase Removal Points
    432
  - Crankshaft Removal Points
    434
  - Crankcase Bearing Removal Points
    434
  - Timing Chain and Timing Chain Guide Inspection
    434
  - Crankcase Inspection
    434
  - Crankshaft Inspection
    436
  - Oil Strainer Inspection
    436
  - Crankcase Bearing Assembly and Installation
    438
  - Crankshaft Assembly and Installation
    438
- Transmission, Shift Cam and Shift Fork
  444
- Front Wheel and Rear Wheel
  454
- Front Wheel Removal
  454
Chapter 5 Chassis

454
- Fahrwerk
  455
- Vorder- und Hinterrad
  455
- Parte Ciclistica
  455
- Ruota Anteriore E Ruota Posteriore
  455
  - Rear Wheel
    456
  - Rear Wheel Removal
    456
  - Rear Wheel Removal Points
    458
  - Wheel Bearing Removal Points
    458
  - Roue Avant Et Roue Arriere
    459
  - Wheel Axle Inspection
    460
  - Brake Disc Inspection
    460
  - Front Wheel Assembly and Installation
    462
  - Rear Wheel Assembly and Installation
    466
  - Front Brake Removal
    472
- Front Brake and Rear Brake
  472
- Freno Anteriore Eposteriore
  473
- Front Fork
  504
  - Front Fork Removal
    504
  - Fourche Avant
    505
- Forcella Anteriore
  505
  - Front Fork Disassembly
    506
  - Front Fork Handling Note
    508
  - Front Fork Cap Bolt Removal Points
    508
  - Inner Tube Removal Points
    510
  - Damper Rod Removal Points
    510
  - Damper Rod Inspection
    510
  - Base Valve Inspection
    512
  - Fork Spring Inspection
    512
  - Inner Tube Inspection
    512
  - Outer Tube Inspection
    512
  - Front Fork Cap Bolt Inspection
    514
  - Front Fork Assembly
    514
- Handlebar
  530
- Handlebar Removal
  530
- Manubrio
  531
  - Brake Master Cylinder Removal Points
    532
  - Grip Removal Points
    532
  - Handlebar Inspection
    532
  - Handlebar Assembly and Installation
    534
- Steering
  542
- Steering Removal
  542
- Sterzo
  543
  - Steering Ring Nut Removal Points
    544
  - Lower Bearing Removal Points
    544
  - Ball Race Removal Points
    544
  - Steering Stem Inspection
    544
  - Bearing and Ball Race Inspection
    546
  - Lower Bracket Assembly and Installation
    546
- Swingarm
  552
- Swingarm Removal
  552
- Forcellone Oscillante
  553
  - Frein Avant Et Frein Arriere
    553
  - Swingarm Disassembly
    554
  - Bearing Removal Points
    556
  - Swingarm Inspection
    556
  - Relay Arm Inspection
    556
  - Connecting Rod Inspection
    558
  - Bearing and Oil Seal Assembly and Installation
    558
  - Swingarm Assembly and Installation
    560
- Rear Shock Absorber
  568
- Rear Shock Absorber Removal
  568
- Ammortizzatore Posteriore
  569
Chapter 6

582
- Electrical Components and Wiring Diagram
  582
- Map-Controlled CDI Unit
  584
  - Function of Component
    584
  - Principal of 3-Dimensional Control
    584
  - 3-D Image Map of Ignition Timing
    584
  - Bloc CDI Controle Par Microprocesseur
    585
  - Ignition System Inspection Steps
    588
- Utensili Speciali
  591
- Carburante
  591
- Carburatore
  605
  - Throttle Position Sensor Input Voltage Inspection
    608
  - Setting
    610
CHAPTER 7 Tuning

610
- Carburetor Setting
  610
- Engine
  610
  - Atmospheric Conditions and Carburetor Settings
    612
  - Effects of the Setting Parts on the Throttle Valve Opening
    614
  - Main System
    614
  - Pilot System
    614
  - Main Jet Adjustment
    616
  - Effects of Changing the Main Jet (Reference)
    616
  - Effects of Adjusting the Pilot Screw (Reference)
    618
  - Pilot Jet Adjustment
    618
  - Jet Needle Groove Position Adjustment
    620
  - Effects of Adjusting the Pilot Jet (Reference)
    620
  - Effects of Changing the Jet Needle Groove Position (Reference)
    620
  - Jet Needle Adjustment
    622
  - Effects of Changing the Jet Needle (Reference)
    622
  - Leak Jet Adjustment (Accelerator Pump Adjustment)
    624
  - Relationship with Throttle Opening
    624
  - Carburetor Setting Parts
    626
  - Examples of Carburetor Setting Depending on Symptom
    628
  - Selection of the Secondary Reduction Ratio
    632
  - Drive and Driven Sprockets Setting Parts
    634
  - Tire Pressure
    634
  - Front Fork Setting
    636
  - Change in Level and Characteristics of Fork Oil
    636
  - Spring Preload Adjustment
    638
  - Setting of Spring after Replacement
    638
  - Front Fork Setting Parts
    642
  - Rear Suspension Setting
    644
  - Choosing Set Length
    644
  - Rear Shock Absorber Setting Parts
    650
  - Suspension Setting
    652
  - Federbein
    656

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Yamaha YZ250F(R) Owner's Service Manual

Yamaha YZ250F(R) Owner's Service Manual (304 pages)

Motorcycles

Brand: Yamaha | Category: Motorcycle | Size: 23.52 MB

Table of Contents

Important Notice
6
Table of Contents
14
Chapter 1 General Information

17
- Description
  17
- Machine Identification
  18
- Important Information
  19
- Checking of Connection
  22
- Special Tools
  23
- Control Functions
  26
- Fuel
  29
- Starting and Break-In
  30
- Torque-Check Points
  34
- Cleaning and Storage
  35
Chapter 2 Specifications

37
- General Specifications
  37
- Maintenance Specifications
  40
- General Torque Specifications
  53
- Definition of Units
  53
- Cable Routing Diagram
  54
Chapter 3 Regular Inspection and Adjustments

59
- Maintenance Intervals
  59
- Pre-Operation Inspection and Maintenance
  62
- Engine
  63
  - Engine Oil Replacement
    74
  - Valve Clearance Inspection and Adjustment
    81
- Chassis
  82
- Electrical
  103
Chapter 4

105
- Seat, Fuel Tank and Side Covers
  105
- Exhaust Pipe and Silencer
  107
- Radiator
  109
- Carburetor
  112
- Camshafts
  125
- Cylinder Head
  134
- Valves and Valve Springs
  137
- Cylinder and Piston
  146
- Clutch
  153
- Oil Filter Element, Water Pump and Right Crankcase Cover
  160
- Balancer
  167
- Oil Pump
  170
- Kick Shaft and Shift Shaft
  175
- CDI Magneto
  182
- Engine Removal
  186
- Crankcase and Crankshaft
  191
- Transmission, Shift Cam and Shift Fork
  200
Chapter 5 Chassis

205
- Front Wheel and Rear Wheel
  205
- Front Brake and Rear Brake
  214
- Front Fork
  230
- Handlebar
  243
- Steering
  249
- Swingarm
  254
- Rear Shock Absorber
  262
Chapter 6

269
- Electrical Components and Wiring Diagram
  269
- Map-Controlled CDI Unit
  270
- Ignition System
  271
- Throttle Position Sensor System
  275
Chapter 7 Tuning

280
- Engine
  280
- Chassis
  290
- Suspension Setting
  300

Yamaha YZ250F(R) Assembly Manual

Yamaha YZ250F(R) Assembly Manual (10 pages)

Brand: Yamaha | Category: Motorcycle | Size: 0.24 MB

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