Table Of Contents - Yamaha WR426F(P) Owner's Service Manual

Table of Contents

Important Notice6
Safety Information6
Fim Machine Weights10
Introduction10
How To Use This Manual12
Finding The Required Page12
Description12
Renseignements Generaux13
Manual Format14
How To Read Descriptions14
Illustrated Symbols16
Index18
Table Of Contents20
General Information26
Engine26
Allgemeine Angaben27
Machine Identification28
Vehicle Identification Number28
Engine Serial Number28
Model Label28
Identification De La Machine29
Important Information30
Preparation For Removal And Disassembly30
Informations Importantes31
Wichtige Informationen31
All Replacement Parts32
Gaskets, Oil Seals And O-Rings32
Lock Washers/Plates And Cotter Pins32
Bearings And Oil Seals32
Circlips34
Checking Of Connection36
Verification Des Connexions37
Special Tools38
Outils Speciaux41
Herramientas Especiales47
Control Functions50
"Engine Stop" Button50
Clutch Lever50
Shift Pedal50
Funciones De Control51
Fonctions Des Commandes51
Decompression Lever52
Throttle Grip52
Front Brake Lever52
Rear Brake Pedal52
Fuel Cock54
Cold Starter Knob54
Hot Starter Knob54
Valve Joint56
Lights Switch56
Flap56
Fuel58
Essence59
Starting And Break-In60
Starting Ba Cold Engine60
Anlassen Und Einfahren61
Arranque Y Rodaje61
Mise En Marche Et Rodage61
Starting A Warm Engine64
Restarting An Engine After A Fall64
The Engine Fails To Start64
Break-In Procedures66
Torque-Check Points66
Points De Verification De Couple De Serrage69
Anzugsmomente Kontrollieren70
Cleaning And Storage72
Nettoyage Et Rangement73
Limpieza Y Almacenamiento73
General Specifications (Wr426F)76
Chassis77
Maintenance Specifications (Wr426F)79
General Specifications (Wr400F)93
Maintenance Specifications (Wr400F)96
General Torque Specifications110
Definition Of Units110
Caracteristiques111
Caracteristiques Generales (Wr426F)111
Caracteristiques D'entretien (Wr426F)114
Caracteristiques Generales (Wr400F)128
Caracteristiques D'entretien (Wr400F)131
Caracteristiques Generales De Couple145
Definition Des Unites145
Moteur145
Allgemeine Technische146
Kraftstoff147
Wartungsdaten (Wr426F)149
Daten (Wr400F)163
Wartungsdaten (Wr400F)166
Allgemeine Anzugsmomente180
Einheiten180
Especificaciones De Apriete Generales215
Lubrication Diagrams216
Schmiersystem217
Schaubilder217
Cable Routing Diagram220
Cheminement Des Cables221
Kabelführung221
Diagrama De Ruta De Cables221
Regular Inspection And Adjustments232
Maintenance Intervals232
Regelmässige Inspektion Und Einstellarbeiten238
Wartungsintervalle Und Schmierdienst238
Motor238
Fahrwerk239
Pre-Operation Inspection And Maintenance244
General Inspection And Maintenance244
A La Conducción247
Engine/Coolant Level Inspection248
Coolant Replacement248
And Side Covers250
Radiator Cap Inspection254
Radiator Cap Opening Pressure Inspection254
Cooling System Inspection256
Clutch Adjustment258
Throttle Cable Adjustment258
Clutch Lever Free Play Adjustment Steps258
Throttle Lubrication260
Throttle Grip Free Play Adjustment Steps260
Decompression Lever Adjustment262
Air Filter Cleaning262
Checking Steps262
Adjustment Steps262
Engine Oil Level Inspection266
Engine Oil Replacement270
Pilot Screw Adjustment274
Idle Speed Adjustment276
Valve Clearance Adjustment276
Spark Arrester Cleaning (For Usa)290
Brake System Air Bleeding292
Chasis293
Partie Cycle293
Front Brake Adjustment294
Brake Level Position294
Brake Level Position Adjustment Steps294
Rear Brake Adjustment296
Front Brake Pad Inspection And Replacement296
Pedal Height Adjustment Steps296
Brake Pad Thickness296
Rear Brake Pad Inspection And Replacement300
Rear Brake Pad Insulator Inspection304
Brake Fluid Level Inspection304
Sprockets Inspection306
Drive Chain Inspection306
Drive Chain Lubricant308
Drive Chain Slack Adjustment310
Front Fork Inspection312
Front Fork Oil Seal And Dust Seal Cleaning312
Front Fork Internal Pressure Relieving314
Front Fork Rebound Damping Force Adjustment314
Front Fork Compression Damping Force Adjustment316
Rear Shock Absorber Inspection318
Rear Shock Absorber Spring Preload Adjustment320
Rear Shock Absorber Rebound Damping Force Adjustment322
Rear Shock Absorber Low Compression Damping Force Adjustment324
Rear Shock Absorber High Compression Damping Force Adjustment326
Tire Pressure Check328
Spokes Inspection And Tightening328
Wheel Inspection328
Steering Head Inspection And Adjustment330
Steering Ring Nut Adjustment Steps330
Lubrication334
Electrical336
Spark Plug Inspection336
Sistema Eléctrico337
Ignition Timing Check338
Replacing The Headlight Bulbs340
Adjusting The Headlight Beams342
Seat, Fuel Tank And Side Covers344
Seat, Fuel Tank And Side Covers Removal344
Exhaust Pipe And Silencer346
Exhaust Pipe And Silencer Removal346
Tubo De Escape Y Silenciador347
Exhaust Pipe And Silencer Inspection348
Exhaust Pipe And Silencer Assembly And Installation348
Radiator350
Radiator Removal350
Handling Note354
Radiator Inspection354
Radiator Assembly And Installation354
Carburetor358
Carburetor Removal358
Carburetor Disassembly360
Carburetor Removal Points364
Carburetor Inspection364
Needle Valve Inspection366
Throttle Valve Inspection366
Jet Needle Inspection366
Float Height Inspection368
Float Inspection368
Carburetor Assembly And Installation370
Starter Plunger370
Accelerator Pump370
Air Cut Valve370
Accelerator Pump Timing Adjustment380
Throttle Valve Height380
Camshaft386
Cylinder Head Cover386
Cylinder Head Cover Removal386
Arbres A Cames387
Camshafts Removal388
Rboles De Levas389
Camshaft Removal Point390
Camshaft Inspection392
Camshaft Sprocket394
Camshaft Assembly And Installation396
Timing Chain Tensioner396
Cylinder Head400
Cylinder Head Removal400
Cylinder Head Inspection404
Warpage Measurement And Resurfacement Steps404
Cylinder Head Assembly And Installation406
Valves And Valve Springs408
Valves And Valve Spring Removal408
Soupapes Et Ressorts De Soupape409
Ventile Und Ventilfedern409
Removal Points410
Valve Inspection412
Lapping Steps418
Valve Spring Inspection420
Valve Lifter Inspection420
Assembly And Installation422
Combination Of Cylinder Head And Valve Lifter422
Cylinder And Piston426
Cylinder And Piston Removal426
Cylindre Et Piston427
Zylinder Und Kolben427
Piston Removal Points428
Piston Ring Removal Points428
Cylinder And Piston Inspection428
Piston Ring Inspection432
Piston Pin Inspection434
Piston Assembly And Installation436
Clutch (Wr426F)440
Clutch Removal440
Clutch Boss Removal Points444
Clutch Housing And Boss Inspection444
Primary Driven Gear Inspection444
Clutch Spring Inspection444
Friction Plate Inspection446
Clutch Plate Inspection446
Push Lever Inspection446
Push Rod Inspection446
Push Lever Assembly And Installation448
Clutch Assembly And Installation448
Clutch (Wr400F)454
Oil Filter, Water Pump An Crankcase Cover (Right)468
Oil Filter, Water Pump An Crankcase Cover (Right) Removal468
Impeller Shaft Removal Points472
Oil Seal Removal Points472
Impeller Shaft Inspection472
Bearing Inspection474
Oil Seal Inspection474
Oil Seal Assembly And Installation474
Bearing Assembly And Istallation474
Crankcase Cover (Right) Assembly And Installation476
Kick Crank Assembly And Installation478
Water Pump Housing Assembly And Installation478
Oil Filter Assembly And Installation480
Balancer482
Balancer Removal482
Balancer, Balancer Drive Gear And Balancer Driven Gear Assembly And Installation486
Oil Pump488
Oil Pump Removal And Disassembly488
Pompe A Huile489
Bomba De Aceite489
Oil Pump Inspection492
Oil Pump Assembly And Installation492
Kick Axle And Shift Shaft496
Kick Axle And Shift Shaft Removal496
Kick Axle Assembly Removal Points500
Shift Guide And Shift Lever Assembly Removal Points500
Segment Removal Points500
Kick Axle And Ratchet Wheel Inspection500
Shift Shaft Inspection502
Shift Guide And Shift Lever Assembly Inspection502
Stopper Lever Inspection502
Segment Assembly And Installation502
Stopper Lever Assembly And Installation504
Shift Guide And Shift Lever Assembly And Installation504
Shift Shaft Assembly And Installation506
Kick Idle Gear Assembly And Installation508
Cdi Magneto510
Cdi Magneto Removal510
Magneto Cdi511
Rotor Removal Points512
Cdi Magneto Inspection512
Woodruff Key Inspection512
Cdi Magneto Assembly And Installation514
Engine Removal518
Depose Du Moteur519
Motor Demontieren519
Drive Sprocket Removal Points522
Engine Removal Points522
Engine Installation524
Brake Pedal Assembly And Installation524
Drive Sprocket Assembly And Installation524
Crankcse And Crankshaft528
Crankcase Separation528
Carter Et Vilebrequin529
Crankcase Bearing532
Crankcase Bearing Removal532
Crankcase Removal Points534
Separation Steps534
Crankshaft Removal Points536
Crankshaft Bearing Removal Points536
Timing Chain And Timing Chain Guide Inspection536
Crankcase Inspection536
Crankshaft Inspection538
Oil Strainer Inspection538
Oil Delivery Pipe Inspection538
Crankshaft Bearing Assembly And Installation540
Crankshaft Assembly And Installation540
Transmission, Shift Cam And Shift Fork546
Transmission, Shift Cam And Shift Fork Removal546
Shift Fork, Shift Cam And Transmission Removal Points548
Gears Inspection548
Shift Fork, Shift Cam And Segment Inspection550
Transmission Assembly And Installation550
Front Wheel And Rear Wheel556
Front Wheel Removal556
Rear Wheel Removal558
Roue Avant Et Roue Arriere559
Rear Wheel Removal Points560
Wheel Bearing Removal Points560
Wheel Axle Removal Points562
Brake Disc Removal Points562
Front Wheel Assembly And Installation564
Rear Wheel Assembly And Installation570
Front Brake And Rear Brake576
Front Brake Removal576
Frein Avant Et Frein Arriere577
Rear Brake Removal578
Caliper Disassembly580
Master Cylinder Disassembly582
Brake Fluid Removal Points584
Calliper Piston Removal Points584
Piston Seal Kit Removal Points586
Master Cylinder Inspection586
Caliper Inspection588
Brake Hose Inspection588
Caliper Piston Assembly And Installation588
Front Caliper Assembly And Installation590
Rear Caliper Assembly And Installation592
Master Cylinder Kit Assembly And Installation596
Front Master Cylinder Assembly And Installation598
Rear Master Cylinder Assembly And Installation600
Front Brake Hose Assembly And Installation602
Rear Brake Hose Assembly And Installation604
Brake Fluid606
Front Fork610
Frontfork Removal610
Fourche Avant611
Horquilla Delantera611
Front Fork Disassembly612
Cap Bolt Removal Points614
Inner Tube Removal Points616
Damper Rod Removal Points616
Damper Rod Inspection616
Base Valve Inspection618
Fork Spring618
Inner Tube Inspection618
Outer Tube Inspection618
Cap Bolt Inspection620
Front Fork Assembly620
Front Fork Installation632
Handlebar636
Handlebar Removal636
Master Cylinder Removal Points638
Grip Removal Points638
Handlebar Inspection638
Handlebar Assembly And Installation638
Steering648
Steering Removal648
Ring Nut Removal Points652
Bearing (Lower) Removal Points652
Ball Race Removal Points652
Steering Shaft Inspection652
Bearing And Ball Race654
Under Bracket Assembly And Installation654
Swingarm660
Swingarm Removal660
Swingarm Disassembly662
Bras Oscillant663
Bearing Removal Points664
Swingarm Inspection664
Relay Arm Inspection664
Connectig Rod Inspection664
Bearing And Oil Seal Assembly And Installation666
Swingarm Assembly And Installation668
Rear Shock Absorber674
Rear Shock Absorber Removal674
Et Caches Lateraux675
Tuyau D'echappement Et Silencieux675
Radiateur675
Amortisseur Arriere677
Amortiguador Trasero677
Notes On Disposal (Yamaha Dealers Only)678
Bearing Assembly And Installation682
Spring (Rear Shock Absorber) Assembly And Installation682
Rear Shock Absorber Assembly And Installation684
Electrical Components And Wiring Diagram690
Color Code690
Partie Electrique691
Elektrische Anlage691
Map-Controlled Cdi Unit692
Function Of Component692
Principal Of 3-Dimensional Control692
3-D Image Map Of Ignition Timing692
Ignition System692
Bloc Cdi Controle Par Microprocesseur693
Unidad Cdi Controlada Por Mapa695
Ignition System Inspectio Steps696
Combustible699
Spark Gap Test700
Couplers And Leads Conection Inspection700
"Engine Stop" Button Inspection700
Sistema De Encendido701
Ignition Coil Inspection702
Neutral Switch Inspection704
Cdi Unit Inspection704
Tps (Throttle Position Sensor) System Inspection Steps706
Couplers And Leads Connection Inspection710
Tps Coil Inspection710
Tps Replacement And Adjustment712
Carburateur713
Tps Input Voltage Inspection716
Lighting System Inspection Steps718
Lights Switch Inspection722
Regulator Inspection722
Sistema De Alumbrado723
Tuning724
Carburetor Setting724
Vergaser725
Carburador725
Atmospheric Conditions And Carburetor Settings726
Effects Of The Setting Parts On The Throttle Valve Opening728
Main System728
Pilot System730
Main Jet Adjustment730
Effects Of Changing The Main Jet (Reference)730
Effects Of Adjusting The Pilot Screw (Reference)732
Pilot Jet Adjustment734
Effects Of Adjusting The Pilot Jet (Reference)734
Jet Needle Groove Position Adjustment734
Effects Of Changing The Jet Needle Groove Position (Reference)734
Jet Needle Adjustment736
Effects Of Changing The Jet Needle (Reference)736
Relationship With Throttle Opening736
Carburetor Setting Parts Wr426F738
Carburetor Setting Parts Wr400F740
Examples Of Carburetor Setting Depending On Symptom742
Selection Of The Secondary Reduction Ratio (Sprocket)746
Drive And Driven Sprockets Setting Parts748
Tire Pressure748
Front Fork Setting750
Change In Level And Characteristics Of Fork Oil750
Spring Preload Adjustment752
Setting Of Spring After Replacement752
Guidon755
Front Fork Setting Parts756
Rear Suspension Setting758
Choosing Set Length758
Rear Shock Absorber Setting Parts764
Suspension Setting766
Teleskopgabel770
Federbein770