YAMAHA YZ250(R)/LC Manuals

Manuals and User Guides for YAMAHA YZ250(R)/LC. We have 1 YAMAHA YZ250(R)/LC manual available for free PDF download: Owner's Service Manual

YAMAHA YZ250(R)/LC Owner's Service Manual

YAMAHA YZ250(R)/LC Owner's Service Manual (587 pages)

YZ Series

Brand: YAMAHA | Category: Motorcycle | Size: 16.24 MB

Table of Contents

Important Notice
6
Safety Information
6
Wichtige Hinweise
7
FIM Machine Weights
10
Description
12
How to Use this Manual
12
Chapitre
13
Renseignements Generaux
13
- How to Read Descriptions
  14
- Illustrated Symbols
  16
- Index
  18
- Table of Contents
  20
Chapter 7

26
- Description
  26
- Engine
  26
  - General Information
    26
  - Vehicle Views
    26
  - Informazioni Generali
    27
Chapter 1

28
- Engine Serial Number
  28
- Frame Serial Number
  28
- Machine Identification
  28
- Vehicle Identification Number
  28
- Identification de la Machine
  29
- Important Information
  30
- Preparation for Removal and Disassembly
  30
- Informations Importantes
  31
  - Informazioni Importanti
    31
- Wichtige Informationen
  31
  - All Replacement Parts
    32
  - Bearings and Oil Seals
    32
  - Gaskets, Oil Seals and O-Rings
    32
  - Lock Washers/Plates and Cotter Pins
    32
  - Circlips
    34
- Checking of Connection
  36
  - Controllo Dei Collegamenti
    37
- Verification des Connexions
  37
- Special Tools
  38
- Outils Speciaux
  40
  - Utensili Speciali
    44
  - "Engine Stop" Button
    46
  - Clutch Lever
    46
- Control Functions
  46
- Shift Pedal
  46
- Fonctions des Commandes
  47
  - Front Brake Lever
    48
  - Fuel Cock
    48
  - Rear Brake Pedal
    48
  - Starter Knob (Choke)
    48
  - Funzioni Dei Comandi
    49
    
    Detachable Sidestand
    50
    
    Nipple Wrench
    50
    
    Set Pin
    50
    
    Valve Joint
    50
- Fuel and Engine Mixing Oil
  52
- Essence Et Huile de Melange du Moteur
  53
  - Starting a Cold Engine
    54
  - Starting a Warm Engine
    54
- Starting and Break-In
  54
- Mise en Marche Et Rodage
  55
- Break-In Procedure
  56
- Starten und Einfahren
  57
- Torque-Check Points
  60
- Points de Verification de Couple de Serrage
  61
- Cleaning and Storage
  64
- Nettoyage Et Rangement
  65
- Storage
  66
Chapter 2

68
- General Specifications
  68
  - Chassis
    69
  - Engine Specifications
    70
- Maintenance Specifications
  70
  - Chassis Specifications
    74
  - Electrical Specifications
    78
- Definition of Units
  79
- General Torque Specifications
  79
- Caracteristiques Generales
  80
- Caracteristiques D'entretien
  82
- Moteur
  82
- Definition des Unites
  91
- Moteur
  91
- Specifications Generales de Couple
  91
- Allgemeine Technische Daten
  92
- Technische Daten
  92
- Wartungsdaten
  94
- Allgemeine Anzugsdaten
  103
- Definition der Einheiten
  103
- Motor
  104
  - Specifiche
    104
  - Specifiche Generali
    104
  - Specifiche DI Manutenzione
    106
  - Alla Coppia
    115
  - Definizione Delle Unità
    115
- Cable Routing Diagram
  116
  - Diagramma del Passaggio Dei Cavi
    117
    
    Schema de Cheminement des Cables
    117
    
    Kabelführungsübersichtplan
    117
    
    Regular Inspection and Adjustments
    126
Chapter 3

126
- Maintenance Intervals
  126
  - Revisione Eregolazioni Regolari
    135
  - Intervalli DI Manutenzione
    135
    
    Pre-Operation Inspection and Maintenance
    138
    
    General Inspection and Maintenance
    138
    
    Engine
    138
- Chassis
  138
  - Ispezione E Manutenzione Prima del Funzionamento
    141
    
    Engine Coolant Level Inspection
    142
    
    Coolant Replacement
    142
  - Motore
    143
    
    Coolant Replacement
    144
    
    Radiator Cap Inspection
    146
    
    Handling Notes of Coolant
    146
    
    Radiator Cap Opening Pressure Inspection
    148
    
    Cooling System Inspection
    148
    
    Clutch Adjustment
    150
    
    Throttle Cable Adjustment
    152
    
    Throttle Lubrication
    152
    
    Air Filter Cleaning
    154
    
    Transmission Oil Level Check
    156
    
    Transmission Oil Replacement
    158
    
    Pilot Air Screw Adjustment
    160
    
    Idle Speed Adjustment
    162
    
    Muffler Inspection
    162
    
    Silencer Fiber Replacement
    162
    
    Silencer Fiber Replacement
    164
    
    Chassis
    166
    
    Brake System Air Bleeding
    166
  - Telaio
    167
    
    Partie Cycle
    167
    
    Front Brake Adjustment
    168
    
    Rear Brake Adjustment
    170
    
    Pedal Height Adjustment Steps
    170
    
    Front Brake Pad Inspection and Replacement
    170
    
    Rear Brake Pad Inspection and Replacement
    174
    
    Front Wheel and Rear Wheel
    174
- Roue Avant Et Roue Arriere
  175
  - Brake Fluid Level Inspection
    178
  - Rear Brake Pad Insulator Inspection
    178
  - Drive Chain Inspection
    180
  - Sprockets Indpection
    180
  - Drive Chain Slack Adjustment
    182
  - Front Fork Inspection
    184
  - Front Fork Internal Pressure Relieving
    186
  - Front Fork Oil Seal and Dust Seal Cleaning
    186
  - Front Fork Rebound Damping Force Adjustment
    186
  - Front Fork Compression Damping Force Adjustment
    188
- Fourche Avant
  189
- Parte Elettrica
  209
- Ignition Timing Check
  210
Chapter 4

214
- Engine
  214
- Seat, Fuel Tank and Side Covers
  214
  - Motor
    215
  - Sitz, Kraftstofftank und Seitendeckel
    215
  - Side Cover Removal
    216
  - Seitendeckel
    217
- Exhaust Pipe and Silencer
  218
- Tubo DI Scarico E Silenziatore
  219
- Radiator
  220
- Kühler
  221
  - Radiator Handling Note
    222
  - Radiator Inspection
    222
  - Radiator Installation
    224
- Carburetor and Reed Valve
  226
  - Vergaser und Zungenventil
    227
  - Carburetor Disassembly
    228
  - Pilot Air Screw Removal
    230
  - Throttle Valve Removal
    230
  - Carburetor Inspection
    232
  - Needle Valve Inspection
    232
  - Throttle Valve Inspection
    232
  - Float Height
    234
  - Jet Needle Inspection
    234
  - Float Inspection
    236
  - Reed Valve Inspection
    236
  - Reed Valve Installation
    236
  - Carburetor Installation
    238
  - Carburetor and Reed Valve
    242
- Cylinder Head, Cylinder and Piston
  248
  - Zylinderkopf, Zylinder und
    249
    
    Piston and Power Valve Removal
    250
    
    Push Rod Removal
    252
    
    Piston and Piston Ring Removal
    252
    
    Cylinder Head Inspection
    254
    
    Cylinder Inspection
    256
    
    Piston Inspection
    256
    
    Piston Pin and Small End Bearing Inspection
    258
    
    Piston Ring Inspection
    260
    
    Piston Clearance
    262
    
    Combination of Piston and Cylinder
    262
  - Kolben
    263
    
    Power Valve Inspection
    264
    
    Power Valve Hole on Cylinder
    264
    
    Power Valve Installation
    266
    
    Piston Ring and Piston Installation
    270
    
    Cylinder Head and Cylinder Installation
    272
- Clutch and Primary Driven Gear
  278
- Primärabtriebszahnrad
  283
  - Clutch Plate Inspection
    284
  - Friction Plate Inspection
    284
  - Push Lever Axle Installation
    284
  - Push Rod Inspection
    284
  - Clutch Installation
    286
  - Kick Axle, Shift Shaft and Primary Driven Gear
    292
  - Primary Driven Gear Removal
    292
  - Kickstarterwelle, Schaltwelle
    293
    
    Kick Axle and Shift Shaft Removal
    294
    
    Kick Axle and Ratchet Wheel Inspection
    296
    
    Kick Axle Assembly Removal
    296
    
    Primary Drive Gear Removal
    296
    
    Shift Guide and Shift Lever Assembly Removal
    296
    
    Kick Gear, Kick Idle Gear and Ratchet Wheel Inspection
    298
    
    Shift Guide and Shift Lever Assembly Inspection
    298
    
    Shift Shaft Inspection
    298
    
    Stopper Lever Inspection
    298
    
    Shift Guide and Shift Lever Assembly Installation
    300
    
    Stopper Lever Installation
    300
    
    Kick Axle Assembly Installation
    302
    
    Shift Shaft Installation
    302
    
    Kick Idle Gear Installation
    304
    
    Primary Drive Gear Installation
    306
  - Und Primärantriebszahnrad
    307
    
    YPVS Governor Removal
    310
    
    Regolatore Ypvs
    311
    
    Regulateur Ypvs
    311
  - Ypvs Regler
    311
    
    Bearing Inspection
    312
    
    Governor Groove Inspection
    312
    
    Governor Installation
    312
    
    Governor Removal
    312
  - Wasserpumpe
    315
    
    Water Pump Disassembly
    316
    
    Pompe a Eau
    317
    
    Impeller Shaft Inspection
    318
    
    Impeller Shaft Removal
    318
    
    Oil Seal Removal
    318
    
    Impeller Shaft Gear Inspection
    320
    
    Oil Seal Inspection
    320
    
    Oil Seal Installation
    320
    
    Impeller Shaft Installation
    322
    
    CDI Magneto Removal
    324
    
    Magnete CDI
    325
    
    Magneto CDI
    325
    
    CDI Magneto Inspection
    326
    
    CDI Magneto Installation
    326
    
    Rotor Removal
    326
    
    Woodruff Key Inspection
    326
- Engine Removal
  332
  - Depose du Moteur
    333
  - Rimozione del Motore
    335
  - Drive Sprocket Removal
    336
  - Engine Removal Steps
    336
  - Brake Pedal Installation
    338
  - Engine Installation
    338
  - Drive Sprocket Installation
    340
  - Crankcase and Crankshaft Removal
    342
  - Carter Et Vilebrequin
    343
  - Kurbelgehäuse und
    343
    
    Crankcase Removal
    344
    
    Segment Removal
    344
    
    Crankcase Inspection
    346
    
    Crankshaft Bearing Removal
    346
    
    Crankshaft Removal
    346
  - Kurbelwelle
    347
    
    Crankshaft Bearing Installation
    348
    
    Crankshaft Inspection
    348
    
    Crankshaft Installation
    350
    
    To Install Oil Seal
    350
    
    Transmission, Shift Cam and Shift Fork Removal
    356
  - Getriebe, Schaltnocke und
    357
    
    Gears Inspection
    358
    
    Transmission Removal
    358
  - Schaltgabel
    359
    
    Shift Fork, Shift Cam and Segment Inspection
    360
    
    Transmission Installation
    360
    
    Chassis Works
    366
    
    Front Wheel Removal
    366
- Front Wheel and Rear Wheel
  366
- Motor
  367
  - Fahrgestell
    367
    
    Rear Wheel Removal
    368
    
    Ruota Anteriore E Ruota Posteriore
    369
    
    Rear Wheel Bearing Removal
    370
    
    Rear Wheel Inspection
    370
    
    Wheel Axle Inspection
    372
    
    Brake Disc Inspection
    372
    
    Front Wheel Installation
    374
    
    Rear Wheel Installation
    378
    
    Front Brake Removal
    384
- Front Brake and Rear Brake
  384
  - Vorderradbremse und
    385
    
    Frein Avant Et Frein Arriere
    385
    
    Rear Brake Removal
    386
  - Hinterradbremse
    387
    
    Freno Posteriore
    387
    
    Caliper Disassembly
    388
    
    Master Cylinder Disassembly
    390
    
    Brake Fluid
    392
    
    Caliper Piston Removal
    392
    
    Piston Seal Kit Removal
    394
    
    Master Cylinder Inspection
    394
    
    Caliper Inspection
    396
    
    Brake Hose Inspection
    396
    
    Caliper Piston Installation
    396
    
    Front Caliper Installation
    398
    
    Rear Caliper Installation
    400
    
    Master Cylinder Kit Installation
    402
    
    Front Master Cylinder Installation
    404
    
    Rear Master Cylinder Installation
    406
    
    Front Brake Hose Installation
    408
    
    Rear Brake Hose Installation
    410
    
    Brake Fluid Filling
    412
    
    Front Fork Removal
    416
  - Vorderradgabel
    417
    
    Fourche Avant
    417
    
    Front Fork Disassembly
    418
    
    Forcella Anteriore
    419
    
    Front Fork Handling Notes
    420
    
    Cap Bolt Removal
    420
    
    Inner Tube Removal
    422
    
    Damper Rod Removal
    422
    
    Damper Rod Inspection
    422
    
    Base Valve Inspection
    424
    
    Fork Spring Inspection
    424
    
    Inner Tube Inspection
    424
    
    Outer Tube Inspection
    424
    
    Cap Bolt Inspection
    426
    
    Front Fork Assembly
    426
    
    Front Fork Installation
    438
    
    Handlebar Removal
    442
    
    Throttle Disassembly
    444
    
    Master Cylinder Removal
    446
    
    Handlebar Inspection
    446
    
    Throttle Assembly
    446
    
    Handlebar Installation
    448
    
    Steering Removal
    456
    
    Ring Nut Removal
    458
    
    Bearing (Lower) Removal
    458
    
    Ball Race Removal
    458
    
    Steering Shaft Inspection
    458
    
    Bearing and Ball Race
    460
    
    Under Bracket Installation
    460
    
    Swingarm Removal
    466
    
    Bras Oscillant
    467
    
    Swingarm Disassembly
    468
    
    Forcellone Oscillante
    469
    
    Swingarm Inspection
    470
    
    Relay Arm Inspection
    470
    
    Connecting Rod Inspection
    472
    
    Bearing and Oil Seal Installation
    472
    
    Swingarm Installation
    474
    
    Rear Shock Absorber Removal
    482
- Ammortizzatore Posteriore
  483
- Et Couvercles Lateraux
  483
- Silenziatore
  483
- Telaio
  483
- Wiring Diagram
  494
- Composants Electriques
  495
- Elektrische Einrichtungen
  495
- Et Schema de Cablage
  495
- Ignition System Inspection Steps
  496
- Systeme D'allumage
  497
  - "Engine Stop" Button Inspection
    500
  - Couplers and Leads Connection Inspection
    500
  - Spark Gap Test
    500
  - Ignition Coil Inspection
    502
  - CDI Magneto Inspection
    504
  - Spark Plug Cap Inspection
    504
  - Magneto CDI
    505
  - CDI Unit Inspection
    506
  - Solenoid Valve System Inspection Steps
    508
- Systeme D'electrovanne
  509
- Magnetventilsystem
  510
- Spezialwerkzeuge
  510
  - Utensili Speciali
    511
    
    Couplers and Leads Connection Check
    512
    
    Solenoid Valve Operation
    512
    
    Solenoid Valve Coil Inspection
    512
- Solenoid Valve System
  512
- TPS (Throttle Position Sensor) System Inspection Steps
  514
- Tps-System
  516
- Sistema Tps (Sensore DI Posizione Dell'acceleratore)
  517
  - TPS Coil Inspection
    518
  - Vergaser und Zungenventil
    519
  - TPS Replacement and Adjustment
    520
  - TPS Input Voltage Inspection
    526
  - Atmospheric Conditions and Carburetor Setting
    528
  - Carburetor Setting
    528
  - Tuning
    528
- Messa a Punto
  529
- Motore
  529
- Telaio
  557
  - Drive and Driven Sprockets Setting Parts
    558
  - Tire Pressure
    558
  - Change in Level and Characteristics of Fork Oil
    560
  - Front Fork Setting
    560
  - Fourche Avant
    561
  - Setting of Spring after Replacement
    562
  - Spring Preload Adjustment
    562
  - Front Fork Setting Parts
    566
  - Choosing Set Length
    568
  - Rear Suspension Setting
    568
  - To Set the Spring after Replacement
    570
  - Rear Shock Absorber Setting Parts
    574
  - Suspension Setting
    576

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