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Yamaha Manuals
Motorcycle
WR250F(P)
Owner's service manual
Table Of Contents - Yamaha WR250F(P) Owner's Service Manual
Wr series
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Table Of Contents
695
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Contents
Table of Contents
Bookmarks
Table of Contents
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Table of Contents
Important Notice
6
Safety Information
6
Machine Weights
10
How To Use The Manual
12
Finding The Required Page
12
Description
12
Renseignements Generaux
13
Manual Format
14
How To Read Descriptions
14
Illustrated Symbols
16
Index
18
Table Of Contents
20
Moteur
23
Partie Cycle
23
Partie Electrique
25
General Information
26
Engine
26
Fahrzeugbeschreibung
27
Informazioni Generali
27
Machine Identification
28
The Vehicle Identification Number
28
The Engine Serial Number
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, Kickstarter Crank
50
Fonctions Des Commandes
51
Armaturen Und Deren
51
Funzioni Di Comando
51
Decompression Lever
52
Throttle Grip
52
Front Brake Lever
52
Rear Brake Pedal
52
Fuel Lock
54
Cold Starter Knob
54
Hot Starter Knob
54
Valve Joint
56
Lights Switch
56
Flap
56
Fuel
58
Essence
59
Kraftstoff
59
Starting And Break-In
60
Starting A Cold Engine
60
Mise En Marche Et Rodage
61
Avvio E Rodaggio
61
Anlassen Und Einfahren
61
Starting A Warm Engine
64
Restarting An Engine After A Fall
64
The Engine Fails To Start
64
Break-In Procedures
66
Torque-Check Points
66
Points De Verification De Couple De Serrage
69
Anzugsmomente Kontrollieren
70
Punti Per Il Controllo Del Serraggio
71
Cleaning And Storage
72
Nettoyage Et Rangement
73
Reinigung Und Stillegung
73
Pulizia Ed Immagazzinaggio
73
Storage
74
General Specifications
76
Chassis
77
Maintenance Specifications - Engine
79
Maintenance Specifications - Chassis
87
Maintenance Specifications - Electrical
92
General Torque Specifications
93
Definition Of Units
93
Caracteristiques Generales
94
Caracteristiques Generales De Couple
111
Technische Daten
112
Allgemeine Technische Daten
112
Wartungsdaten
115
Allgemeine Anzugsmomente
129
Einheiten
129
Specifiche
130
Specifiche Generali
130
Specifiche Di Manutenzione
133
Specifiche Relative Alle
147
Coppie Di Serraggio
147
Definizione Delle Unità Di Misura
147
Cable Routing Diagram
148
Cheminement Des Cables
149
Kabelführung
149
Schema Del Percorso Dei Cavi
149
Regular Inspection And Adjustments
160
Maintenance Intervals
160
Wartungsintervalle Und Schmierdienst
166
Ispezioni Eregistrazioni Regolari
169
Intervalli Di Manutenzione
169
Pre-Operating Inspection And Maintenance
172
General Inspection And Maintenance
172
Controlli Preliminari Emanutenzione
175
Engine/Coolant Level Inspection/Coolant Replacement
176
Coolant Level Inspection
176
Coolant Replacement
176
Motore
177
And Side Covers
178
Radiator Cap Inspection
180
Radiator Cap Opening Pressure Inspection
182
Cooling System Inspection
182
Clutch Adjustment
184
Throttle Cable Adjustment
186
Throttle Lubrication
188
Decompression Adjustment
188
Air Filter Cleaning
190
Engine Oil Level Inspection
194
Engine Oil Replacement
198
Oil Pressure Inspection
202
Pilot Screw Adjustment
202
Engine Idling Speed Adjustment
204
Valve Clearance Inspection And Adjustment
204
Intake Table
214
Exhaust Table
214
Spark Arrester Cleaning (For Usa)
218
Brake System Air Bleeding
220
Parte Ciclistica
221
Front Brake Adjustment
222
Rear Brake Adjustment
224
Front Brake Pad Inspection And Replacement
224
Rear Brake Pad Inspection And Replacement
228
Rear Brake Pad Insulator Inspection
232
Brake Fluid Level Inspection
232
Sprockets Inspection
234
Drive Chain Inspection
234
Drive Chain Slack Adjustment
238
Front Fork Inspection
240
Front Fork Oil Sealand Dust Seal Cleaning
240
Front Fork Internal Pressure Relieving
240
Front Fork Rebound Damping Force Adjustment
242
Front Fork Compression Damping Force Adjustment
244
Rear Shock Absorber Inspection
246
Rear Shock Absorber Spring Preload Adjustment
246
Rear Shock Absorber Rebound Damping Force Adjustment
248
Rear Shock Absorber Low Compression Damping Force Adjustment
250
Rear Shock Absorber High Compression Damping Force Adjustment
252
Tire Pressure Check
254
Spokes Inspection And Tightening
254
Wheel Inspection
254
Steering Head Inspection And Adjustment
256
Lubrication
260
Electrical
262
Spark Plug Inspection
262
Parte Elettrica
263
Ignition Timing Check
264
Replacing The Headlight Bulbs
266
Adjusting The Headlight Beams
268
Seat, Fuel Tank And Side Covers View
270
Exhaust Pipe And Silencer View
272
Tubo Di Scarico E Silenziatore
273
Silencer And Exhaust Pipe Inspection
274
Silencer And Exhaust Pipe Installation
274
Radiator
276
Radiator Inspection
278
Radiator Assembly And Installation
278
Carburetor
282
Carburetor Disassembly
284
Carburetor Removal Points
288
Carburetor Inspection
288
Needle Valve Inspection
290
Throttle Valve Inspection
290
Jet Needle Inspection
290
Float Height
292
Float
292
Carburetor Assembly And Installation
294
Starter Plunger
294
Accelerator Pump
294
Air Cut Valve
294
Accelerator Pump Timing Adjustment
304
Carburetor Installation
304
Camshafts
310
Cylinder Head Cover
310
Arbres A Cames
311
Camshaft Removal Points
314
Alberi A Camme
315
Camshaft Inspection
316
Camshaft Sprocket Inspection
318
Camshaft Assembly And Installation
320
Timing Chain Tensioner Inspection
320
Cylinder Head
328
Testata Del Cilindro
329
Cylinder Head Inspection
330
Cylinder Head Assembly And Installation
332
Valves And Valve Springs
336
Soupapes Et Ressorts De Soupape
337
Ventile Und Ventilfedern
337
Valvole E Molle Valvole
337
Valve And Valve Springs Removal Points
338
Valve Lifter And Valve Cotter
338
Valve Inspection
340
Valve Measurement Steps
344
Lapping Steps
346
Valve Spring Inspection
348
Valve Lifter Inspection
348
Valve And Valve Spring Assembly And Installation
350
Combination Of Cylinder Head And Valve Lifter
350
Cylinder And Piston
354
Cylindre Et Piston
355
Zylinder Und Kolben
355
Cilindro E Pistone
355
Cylinder And Piston Removal Points
356
Piston And Piston Ring
356
Cylinder And Piston Inspection
356
Piston Ring
360
Cylinder And Piston Assembly And Installation
362
Piston Pin
362
Cylinder
364
Clutch
368
Clutch Removal Points
372
Clutch Boss
372
Clutch Housing And Boss Inspection
372
Primary Driven Gear Inspection
372
Friction Plate Inspection
374
Clutch Plate Inspection
374
Push Lever Shaft Inspection
374
Push Rod Inspection
374
Clutch Assembly And Installation
376
Push Lever Shaft Installation
376
Oil Filter Element, Water Pump And Right Crankcase Cover
382
Oil Filter Element, Water Pump And Right Crankcase Cover Removal Points
386
Impeller Shaft
386
Oil Seal
386
Oil Delivery Pipe Inspection
386
Impeller Shaft Inspection
388
Impeller Shaft Gear Inspection
388
Bearing Inspection
388
Oil Seal Installation
388
Impeller Shaft Installation
390
Right Crankcase Cover
390
Kickstarter Crank Installation
392
Water Pump Housing
394
Oil Filter Element
394
Balancer
396
Balancer Removal Points
398
Balancer Shaft Drive Gear And Balancer Shaft Driven Gear
398
Balancer Shaft
398
Primary Drive Gear, Balancer Shaft Drive Gear And Balancer Shaft Driven Gear Inspection
398
Balancer Assembly And Installation
400
Oil Pump
402
Pompe A Huile
403
Oil Pump Inspection
406
Oil Pump Assembly And Installation
408
Kick Shaft And Shift Shaft
412
Arbre De Kick Et Arbre De Selecteur
413
Kickstarter Und Kickstarterwelle
413
Albero Pedale E Albero Del Cambio
413
Kickshaft Assembly Removal
416
Shift Guide And Shift Lever Assembly Removal
416
Kick Shart And Ratched Wheel Inspection
416
Kick Gear, Kick Idle Gear And Ratchet Wheel Inspection
416
Shift Shaft Inspection
418
Shift Guide And Shift Lever Assembly Inspection
418
Stopper Lever Inspection
418
Segment Installation
418
Stopper Lever Installation
420
Shift Guide And Shift Lever Assembly Installation
420
Shift Shaft Installation
422
Kick Shaft Assembly Installation
422
Kick Idle Gear Installation
424
Cdi Magneto
426
Volant Magnetique Cdi
427
Magnete Cdi
427
Cdi Magneto Removal Points
428
Rotor Removal
428
Cdi Magneto Inspection
428
Woodruff Key Inspection
428
Csi Magneto Assembly And Installation
430
Engine Removal
434
Depose Du Moteur
435
Motor Demontieren
435
Rimozione Del Motore
435
Drive Sprocket Removal
438
Engine Removal Procedure
438
Engine Installation
440
Brake Pedal Installation
440
Oil Hose And Neutral Switch Installation
442
Crankcase And Crankshaft
444
Carter Et Vilebrequin
445
Carter E Albero Motore
445
Crankcase Bearing
448
Removal Points Crankcase
450
Crankshaft Removal
452
Timing Chain And Timing Chain Guide Inspection
452
Crankcase Inspection
452
Crankshaft Inspection
454
Oil Strainer Inspection
454
Crankcase Bearing Assembly And Installation
456
Crankshaft Installation
456
Transmission, Shift Cam And Shift Fork
462
Transmission Removal
464
Gears Inspection
464
Bearing Inspection (Transmission)
464
Shift Fork, Shift Cam And Segment Inspection
466
Transmission Installation
466
Front Wheel And Rear Wheel
472
Front Wheel Exploded Diagram
472
Rear Wheel Exploded Diagram
474
Rear Wheel Removal
476
Wheel Bearing Removal
476
Rear Wheel Inspection
476
Roue Avant Et Roue Arriere
477
Ruota Anteriore E Ruota Posteriore
477
Rear Wheel Axle Inspection
478
Brake Disc Inspection
478
Front Wheel Assembly And Installation
480
Rear Wheel Installation
486
Front Brake And Rear Brake
492
Front Brake Exploded View
492
Frein Avant Et Frein Arriere
493
Freno Anteriore E Posteriore
493
Rear Brake Inspection
494
Brake Caliper Disassembly
496
Brake Master Cylinder Disassembly
498
Front Brake And Rear Brake Removal Points
500
Brake Fluid
500
Brake Caliper Piston Removal
500
Brake Caliper Piston Seal Kit
502
Brake Master Cylinder Inspection
502
Brake Caliper Inspection
504
Brake Hose Inspection
504
Front Brake And Rear Brake Assembly And Installation
504
Brake Caliper Piston Cleaning
504
Front Brake Caliper Installation
506
Rear Brake Caliper Installation
508
Brake Master Cylinder Kit Cleaning And Installation
512
Front Brake Master Cylinder Installation
514
Rear Brake Master Cylinder Installation
516
Front Brake Hose Installation
518
Rear Brake Hose
520
Brake Fluid Filling
522
Front Fork
526
Fourche Avant
527
Forcella Anteriore
527
Front Fork Disassembly
528
Front Fork Handling Note
530
Front Fork Cap Bolt Removal
530
Inner Tube Removal
532
Damper Rod Removal
532
Damper Rod Inspection
532
Base Valve Inspection
534
Fork Spring Inspection
534
Outer Tube Inspection
534
Front Fork Cap Bolt Inspection
536
Front Fork Assembly
536
Front Fork Installation
548
Handlebar
552
Brake Master Cylinder Removal
554
Grip Removal
554
Handlebar Inspection
554
Handlebar Assembly And Installation
556
Steering
564
Steering Ring Nut Removal
568
Lower Bearing Removal
568
Ball Race Removal
568
Steering Stem Inspection
568
Bearing And Ball Race Inspection
570
Lower Bracket Assembly And Installation
570
Swingarm
576
Swingarm Disassembly
578
Bras Oscillant
579
Forcellone Oscillante
579
Bearing Removal (Swingarm)
580
Swingarm Inspection
580
Relay Arm Inspection
580
Connecting Rod Inspection
580
Swingarm Assembly And Installation
582
Bearing And Oil Seal Installation
582
Rear Shock Absorber
590
Caches Lateraux
591
Tuyau D'echappement Et Silencieux
591
Radiateur
591
Amortisseur Arriere
593
Ammortizzatore Posteriore
593
Rear Shock Absorber Handling Note
594
Rear Shock Absorber Removal Points
596
Rear Shock Absorber - Inspection
596
Rear Shock Absorber Assembly And Installation
598
Spring (Rear Shock Absorber) Installation
598
Electrical Components And Wiring Diagram
606
Map-Controlled Cdi Unit
608
Function Of Component
608
Principal Of 3-Dimensional Control
608
Ignition System
608
Bloc Cdi Controle Par Microprocesseur
609
Motor
610
Ignition System Inspection
612
Carburante
615
Spark Gap Test
616
Couplers And Leads Connection Inspection
616
Engine Stop Switch Inspection
616
Impianto Di Accensione
617
Ignition Coil Inspection
618
To Inspect The Cdi Magneto
618
Neutral Switch Inspection
620
Cdi Unit Inspection
620
Elektrische Anlage
621
Throttle Position Sensor System Inspection
622
Circuit Du Capteur De Papillon Des Gaz
623
Throttle Position Sensor System
626
Couplers And Leads Connection Inspectoin
626
Throttle Position Sensor Coil Inspection
626
Throttle Position Sensor Replacement And Adjustment
628
Carburateur
629
Vergaser
629
Carburatore
629
Throttle Position Sensor Input Voltage Inspection
632
Lighting System Inspection
634
Light Switch Inspection
638
The Cdi Magneto Inspection
638
Voltage Regular Inspection
638
Impianto Di Illuminazione
639
Tuning
640
Carburetor Setting
640
Atmospheric Conditions And Carburetor Settings
642
Effects Of The Setting Parts On The Throttle Valve Opening
644
Main System
644
Pilot System
644
Main Jet Adjustment
646
Effects Of Changing The Main Jet (Reference)
646
To Adjust The Pilot Screw
648
Effects Of Adjusting The Pilot Screw (Reference)
648
Effects Of Adjusting The Pilot Jet (Reference)
650
Jet Needle Groove Position Adjustment
650
Effects Of Changing The Jet Needle Groove Position (Reference)
650
Jet Needle Adjustment
652
Effects Of Changing The Jet Needle (Reference (Diameter Of The Straight Portion)
652
Leak Jet Adjustment (Accelerator Pump Adjustment)
654
Relationship With Throttle Opening
654
Carburetor Setting Parts
656
Examples Of Carburetor Setting Depending On Symptom
660
Selection Of The Secondary Reduction Ratio (Sprocket)
664
Drive And Rear Wheel Sprockets Setting Parts
666
Tire Pressure
666
Front Fork Setting
668
Change In Level And Characteristics Of Fork Oil
668
Spring Preload Adjustment
670
Setting Of Spring After Replacement
670
Guidon
673
Front Fork Setting Parts
674
Rear Suspension Setting
676
Choosing Set Length
676
To Set The Spring After Replacement
678
Rear Shock Absorber Setting Parts
682
Suspension Setting - Front Fork
684
Rear Shock Absorber Setting
685
Teleskopgabel
688
Federbein
688
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