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Yamaha YZ125 2016 User Manual

Yamaha YZ125 2016
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PRINTED ON RECYCLED PAPER
2016
1SR-28199-34
OWNER’S SERVICE MANUAL
MANUEL D’ATELIER DU
PROPRIETAIRE
FAHRER- UND
WARTUNGSHANDBUCH
MANUALE DI SERVIZIO DEL
PROPRIETARIO
PRINTED IN JAPAN
2015.06-0.7×1 CR
(E,F,G,H)
YZ125 YZ125G2 2016
Il convient de lire attentivement ce manuel avant la première utilisation du véhicule.
Read this manual carefully before operating this vehicle.
Bitte lesen Sie diese Bedienungsanleitung sorgfältig durch, bevor Sie das Fahrzeug in Betrieb nehmen.
Leggere attentamente questo manuale prima di utilizzare questo veicolo.
YZ125
YZ125G2
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Yamaha YZ125 2016 Specifications

General IconGeneral
Displacement124cc
Bore x Stroke54.0mm x 54.5mm
Compression Ratio8.6~10.7:1
IgnitionCDI
Final DriveChain
Front SuspensionKYB® Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel
Rear SuspensionKYB® single shock; fully adjustable, 12.4-in travel
Front BrakeHydraulic single disc brake, 250mm
Rear BrakeHydraulic single disc brake, 245mm
Front Tire80/100-21
Rear Tire100/90-19
Width32.5 in
Height51.4 in
Rake (Caster Angle)27.5°
Fuel Capacity2.1 gal
Engine Type2-stroke, liquid-cooled
Fuel DeliveryKeihin PWK38S carburetor
Transmission6-speed

Summary

FOREWORD

SAFETY INFORMATION

Crucial warnings and guidelines for safe operation of the vehicle.

STARTING AND BREAK-IN

BREAK-IN PROCEDURES

Step-by-step instructions for the engine break-in period.

TORQUE-CHECK POINTS

ENGINE TORQUE SPECIFICATIONS

Torque values for engine components.

CHASSIS TORQUE SPECIFICATIONS

Torque values for chassis components.

SPECIFICATIONS

MAINTENANCE SPECIFICATIONS

ENGINE MAINTENANCE SPECIFICATIONS

Specific measurements and limits for engine components.

CHASSIS MAINTENANCE SPECIFICATIONS

Maintenance specifications for chassis components.

REGULAR INSPECTION AND ADJUSTMENTS

MAINTENANCE INTERVALS

Recommended intervals for inspecting and servicing parts.

PRE-OPERATION INSPECTION AND MAINTENANCE

Essential checks to perform before operating the vehicle.

ENGINE

CARBURETOR SETTING AND TUNING

Adjusting carburetor settings for optimal engine performance based on conditions.

CHASSIS

FRONT FORK SETTINGS

Adjusting front fork damping and spring preload.

REAR SHOCK ABSORBER SETTINGS

Adjusting rear shock absorber spring preload and damping.

LUBRICATION

LUBRICATION POINTS AND PROCEDURES

Guide to lubricating critical components for smooth operation and longevity.

ELECTRICAL

IGNITION SYSTEM

ENGINE TUNING

CARBURETOR SETTING

Guide to adjusting carburetor settings for various conditions.

CLUTCH

CLUTCH ASSEMBLY AND DISASSEMBLY

Steps for removing, inspecting, and installing clutch components.

CDI MAGNETO

ENGINE REMOVAL

ENGINE REMOVAL AND INSTALLATION

Procedures for safely removing and reinstalling the engine.

CRANKCASE AND CRANKSHAFT

CRANKCASE AND CRANKSHAFT REMOVAL

Steps for removing the crankshaft and disassembling the crankcase.

CRANKCASE AND CRANKSHAFT INSTALLATION

Procedures for installing the crankshaft and assembling the crankcase.

TRANSMISSION, SHIFT CAM AND SHIFT FORK

FRONT BRAKE AND REAR BRAKE

BRAKE SYSTEM MAINTENANCE

Procedures for removing, disassembling, and installing brake components.

FRONT FORK

HANDLEBAR

STEERING

SWINGARM

REAR SHOCK ABSORBER

REAR SHOCK ABSORBER MAINTENANCE AND ADJUSTMENT

Procedures for removing, inspecting, adjusting, and installing the rear shock absorber.

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