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YAMAHA YZ125(N)/LC manual available for free PDF download: Owner's Service Manual
YAMAHA YZ125(N)/LC Owner's Service Manual (559 pages)
YZ Series
Brand:
YAMAHA
| Category:
Motorcycle
| Size: 14.29 MB
Table of Contents
Important Notice
6
Safety Information
6
Wichtige Hinweise
7
F.I.M Machine Weights
10
Description
12
How to Use the Manual
12
Renseignements Generaux
13
How to Read Descriptions
14
Manual Format
14
Illustrated Symbols
16
Table of Contents
20
Description
26
General Information
26
Vehicle Views
26
Informazioni Generali
27
Chapter 1
28
Machine Identification
28
Frame Serial Number
28
Engine Serial Number
28
Model Label
28
Identification de la Machine
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
Checklist of Connection
36
Vérification des Connexions
37
Controllo Dei Collegamenti
37
Special Tools
38
Outils Speciaux
40
Utensili Speciali
44
Control Functions
46
"Engine Stop" Button
46
Clutch Lever
46
Shift Pedal, Kick Starter, Throttle Grip
46
Fonctions des Commandes
47
Front Brake Lever
48
Fuel Cock
48
Rear Brake Pedal
48
Funzioni Dei Comandi
49
Detachable Sidestand
50
Valve Joint
50
Fuel and Engine Mixing Oil
52
Essence Et Huile de Melange du Moteur
53
Starting and Break-In
54
Starting a Cold Engine
54
Starting a Warm Engine
54
Starten und Einfahren
55
Mise en Marche Et Rodage
55
Avviamento E Rodaggio
55
Break-In Procedures
56
Break-In Operation: Piston, Ring and Gears
58
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
Maintenance Specifications
70
Electrical Specifications
78
General Torque Specifications
79
Definition of Units Table
79
Caracteristiques Generales
80
Caracteristiques D'entretien
82
Specifications Generales de Couple
91
Definition des Unites
91
Moteur
91
Technische Daten
92
Allgemeine Technische Daten
92
Wartungsdaten
94
Allgemeine Anzugsdaten
103
Definition der Einheiten
103
Specifiche Generali
104
Specifiche DI Manutenzione
106
Specifiche Generali Relative Alla Coppia
115
Definizione Delle Unità
115
Cable Routing Diagram
116
Diagramma del Passaggio
117
Dei Cavi
117
Kabelführungsübersichtplan
117
Cable Routing Diagram (Cont.)
118
Chapter 3
122
Maintenance Intervals
122
Regular Inspection and Adjustments
122
Intervalli DI Manutenzione
131
Revisione Eregolazioni Regolari
131
Chassis
134
Engine
134
General Inspection and Maintenance Table
134
Pre-Operation Inspection and Maintenance
134
Ispezione E Manutenzione Prima del Funzionamento
137
Coolant Level Inspection
138
Coolant Replacement
138
Engine Maintenance
138
Motore
139
Handling Notes of Coolant
142
Cooling System Inspection
144
Radiator Cap Opening Pressure Inspection
144
Clutch Adjustment
146
Throttle Cable Adjustment
148
Throttle Lubrication
148
Air Filter Cleaning
150
Transmission Oil Level Check
152
Transmission Oil Replacement
154
Pilot Air Screw Adjustment
156
Idle Speed Adjustment/Muffler Inspection/Silencer Fiber Replacement
158
Silencer Fiber Replacement
160
Chassis/Brake System Air Bleeding
162
Partie Cycle
163
Telaio
163
Front Brake Adjustment
164
Front Brake Pad Inspection and Replacement
166
Rear Brake Adjustment
166
Rear Brake Pad Inspection and Replacement
170
Brake Fluid Level Inspection
174
Rear Brake Pad Insulator Inspection
174
Drive Chain Inspection
176
Sprockets Inspection
176
Drive Chain Slack Adjustment
178
Front Fork Inspection
180
Front Fork Oil Seal and Dust Seal Cleaning
182
Front Fork Rebound Damping Adjustment
182
Front Fork Compression Damping Force Adjustment
184
Rear Shock Absorber Inspection
186
Rear Shock Absorber Spring Preload Adjustment
188
Rear Shock Absorber Rebound Damping Force Adjustment
190
Rear Shock Absorber Low Compression Damping Force Adjustment
192
Spokes Inspection and Tightening
196
Tire Pressure Check
196
Steering Head Inspection and Adjustment
198
Lubrication
202
Electrical
204
Spark Plug Inspection
204
Parte Elettrica
205
Moteur
205
Ignition Timing Check
206
Chapter 4
210
Seat, Fuel Tank and Side Covers
210
Side Cover Removal
212
Exhaust Pipe and Silencer
214
Tubo DI Scarico E Silenziatore
215
Radiator
216
Radiator Handling Note
218
Radiator Assembly and Installation
220
Carburetor and Reed Valve
222
Vergaser und Zungenventil
223
Carburetor Disassembly
224
Carburetor Inspection
226
Needle Valve Inspection
228
Throttle Valve Check
228
Jet Needle Inspection
228
Filter Inspection
230
Fuel Level
230
Float
232
Reed Valve
232
Carburetor Assembly and Installation
232
Cylinder Head, Cylinder and Piston
242
Piston and Power Valve
244
Push Rod Removal
246
Piston and Piston Ring Removal
246
Cylinder Head Inspection
248
Cylinder Inspection
248
Piston Inspection
250
Piston Pin and Small End Bearing Inspection
252
Piston Ring Inspection
254
Piston Clearance Inspection
254
Combination of Piston and Cylinder
256
Power Valve Inspection
258
Power Valve Hole on Cylinder
258
Piston Ring and Piston Installation
262
Cylinder Head and Cylinder Installation
264
Clutch and Primary Driven Gear
268
Clutch Plate and Friction Plate
268
Primary Driven Gear View
270
Clutch and Primary Driven Gear
270
Removal Point: Clutch Boss
272
Clutch Housing and Boss Inspection
272
Primary Driven Gear Inspection
272
Clutch Spring Inspection
272
Friction Plate Inspection
274
Clutch Plate Inspection
274
Push Lever and Push Rod Inspection
274
Clutch Cover Inspection
274
Clutch and Primary Gear Assembly and Installation
276
Push Lever Installation
280
Kick Axle, Shift Shaft and Primary Drive Gear
284
Primary Drive Gear View
284
Kick Axle and Shift Shaft View
286
Primary Drive Gear Removal
288
Kick Axle Assembly Removal
288
Shift Guide and Shift Lever Assembly Removal
288
Kick Gear and Kick Idle Gear Inspection
288
Kick Gear Clip Inspection
290
Shift Shaft Inspection
290
Shift Guide and Shift Lever Assembly
290
Stopper Lever Assembly
290
Kick Axle, Shift Shaft and Primary Drive Gear Assembly and Installation
292
Shift Guide and Shift Lever Assembly Installation
292
Shift Shaft Installation
294
Kick Axle Assembly Installation
294
Kick Idle Gear Installation
296
Primary Drive Gear Installation
296
YPVS Governor
300
Regulateur Ypvs
301
Ypvs Regler
301
Regolatore Ypvs
301
Governor Groove Inspection
302
Governor Bearing Inspection
302
Governor Assembly and Installation
302
Water Pump View
306
Pompe a Eau
307
Impeller Shaft Removal
308
Oil Seal Removal
308
Impeller Shaft Inspection
308
Impeller Shaft Gear Inspection
310
Water Pump Bearing Inspection
310
Oil Seal Inspection
310
Oil Seal Installation
310
Impeller Shart Installation
312
CDI Magneto View
314
Magneto CDI
315
Rotor Removal
316
CDI Magneto Inspection
316
Woodruff Key Inspection
316
CDI Magneto Assembly
316
Engine Removal
322
Depose du Moteur
323
Rimozione del Motore
325
Drive Sprocket Removal
326
Engine Removal Steps
326
Engine Installation
328
Brake Pedal Installation
328
Crankcase and Crankshaft View
332
Carter Et Vilebrequin
333
Segment Removal
334
Crankcase Removal
334
Crankshaft Removal
336
Crankshaft Bearing Removal
336
Crankcase Inspection
336
Crankshaft Inspection
338
Crankshaft Bearing Installation
338
To Install the Oil Seal
340
Crankshaft Installation
340
Transmission, Shift Cam and Shift Fork
346
Main Axle and Drive Axle Removal
348
Gears Inspection
348
Shift Fork, Shift Cam and Segment Inspection
350
Transmission Assembly and Installation
350
Shift Cam and Shift Fork Installation
354
Chassis
356
Chapter 5
356
Front Wheel and Rear Wheel
356
Front Wheel View
356
Partie Cycle
357
Motor
357
Fahrgestell
357
Rear Wheel View
358
Ruota Anteriore E Ruota Posteriore
359
Rear Wheel Removal
360
Rear Wheel Inspection
360
Wheel Axle Inspection
362
Brake Disc Inspection
362
Front Wheel Assembly and Installation
364
Rear Wheel Installation
368
Front Brake and Rear Brake
374
Front Brake View
374
Frein Avant Et Frein Arriere
375
Rear Brake View
376
Freno Posteriore
377
Caliper Disassembly
378
Master Cylinder Disassembly
380
Caliper Piston Removal
382
Piston Seal Removal
384
Master Cylinder Inspection
384
Caliper Inspection
386
Brake Hose Inspection
386
Brakes Assembly and Installation
386
Front Caliper Installation
388
Rear Caliper Installation
390
Master Cylinder Kit Installation
394
Front Master Cylinder Installation
396
Rear Master Cylinder Installation
398
Front Brake Hose Installation
400
Rear Brake Hose Installation
402
Brake Fluid Fill
404
Front Fork View
408
Fourche Avant
409
Front Fork Disassembly
410
Forcella Anteriore
411
Cap Bolt Removal
412
Inner Tube Removal
414
Oil Seal Removal Steps
414
Damper Rod Inspection
414
Base Valve Inspection
416
Fork Spring Inspection
416
Inner Tube Inspection
416
Outer Tube Inspection
416
Cap Bolt Inspection
418
Front Fork Assembly
418
Cushion Rubber Installation
428
Push Rod Installation
428
Fork Spring Installation
428
Cap Bolt Installation
428
Front Fork Installation
430
Brake Hose Holder Installation
432
Caliper Installation
432
Handlebar View
434
Throttle Disassembly
436
Master Cylinder Removal
438
Handlebar Inspection
438
Throttle Assembly
438
Handlebar Installation
440
Throttle Cable Installation
442
Master Cylinder Installation
442
Steering View
448
Ring Nut Removal
450
Bearing (Lower) Removal
450
Ball Race Removal
450
Steering Shaft Inspection
450
Bearing and Ball Race Inspection
452
Under Bracket Installation
452
Swingarm
458
Bras Oscillant
459
Swingarm Disassembly
460
Forcellone Oscillante
461
Bearing Removal
462
Swingarm Inspection
462
Relay Arm Inspection
462
Connecting Rod Inspection
462
Bearing and Oil Seal Installation
464
Swingarm Installation
466
Chain Tensioner Installation
470
Chain Support Installation
470
Rear Shock Absorber View
472
Et Couvercles Lateraux
473
Rear Shock Absorber - Handling Note
474
Ammortizzatore Posteriore
475
Stopper Ring Removal
476
Upper/Lower Bearing Removal
476
Rear Shock Absorber - Inspection
476
Rear Shock Absorber Assembly and Installation
478
Spring (Rear Shock Absorber) Installation
478
Rear Shock Absorber Installation
480
Chapter 6
484
Electrical Components and Wiring Diagram
484
Partie Electrique
485
Composants Electriques
485
Et Schema de Cablage
485
Elektrische Einrichtungen
485
Ignition System - Inspection Steps
486
Systeme D'allumage
487
Spezialwerkzeuge
488
Motor
489
Sistema DI Accensione
489
Utensili Speciali
489
Spark Gap Test
490
Couplers and Leads Connection Inspection
490
"Engine Stop" Button Inspection
490
Ignition Coil Inspection
492
To Inspect the CDI Magneto
494
CDI Unit Inspection
494
Magneto CDI
495
CDI-Magnetzünder
495
Magnete CDI
495
Setting
496
Tuning (Engine)
496
Carburetor Setting
496
Atmospheric Conditions and Carburetor Setting
496
Messa a Punto
497
Motore
497
Test Run
498
Effect of Setting Parts in Relation to Throttle Valve Opening
500
Main Jet Adjustment
500
Pilot Air Screw Adjustment Info
502
Pilot Jet Adjustment
502
Jet Needle Groove Position Adjustment
504
Jet Needle Adjustment (for USA, CDN, ZA, aus and NZ)
506
Jet Needle Adjustment (for Europe)
510
Relationship with Throttle Opening
514
Carburetor Setting Parts
516
Road Condition and Examples of Carburetor Setting
518
Examples of Carburetor Setting Depending on Symptom
518
Change of the Heat Range of Spark Plugs
526
Selection of the Secondary Reduction Ratio (Sprocket)
528
Chassis
528
Telaio
529
Drive and Driven Sprockets Setting Parts
530
Tire Pressure
530
Front Fork Setting
532
Fourche Avant
533
Vorderradgabel
533
Spring Preload Adjustment
534
Setting of Spring after Replacement
534
Use of Soft Spring
534
Use of Stiff Spring
536
Front Fork Setting Parts
538
Rear Suspension Setting
540
Choosing Set Length
540
Rear Shock Absorber Setting Parts
546
Suspension Setting
548
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