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Yamaha MT-125 User Manual

Yamaha MT-125
98 pages
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PANTONE285C
MT125
MT125A
MT-125
OWNER’S MANUAL
BR3-F8199-E0
MOTORCYCLE
[English (E)]
Read this manual carefully before oper-
ating this vehicle.

Table of Contents

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Yamaha MT-125 Specifications

General IconGeneral
Engine TypeLiquid-cooled, 4-stroke, SOHC, 4-valves
Displacement124.7cc
Bore x Stroke52.0 mm x 58.6 mm
Compression Ratio11.2:1
Fuel SystemFuel Injection
Ignition SystemTCI
Starter SystemElectric
TransmissionConstant Mesh, 6-speed
Final DriveChain
FrameDiamond
Front BrakeHydraulic single disc, Ø 292 mm
Rear BrakeHydraulic single disc, Ø 220 mm
Front Tyre100/80-17M/C 52S
Rear Tyre130/70-17M/C 62S
Overall Width800 mm
Seat Height810 mm
Wheelbase1, 355 mm
Wet Weight142 kg
Maximum Power11.0 kW (15 PS) @ 9, 000 rpm
Maximum Torque11.5 Nm (1.16 kg-m) @ 8, 000 rpm
Front SuspensionTelescopic forks
Rear SuspensionSwingarm, (link suspension)

Summary

Safety Information

Instrument and Control Functions

Pre-Operation Checks and Riding

Pre-Ride Inspection Checklist

Step-by-step checks for safe operation before riding.

Starting, Shifting, and Engine Break-in

Procedures for engine start, gear changes, and new engine care.

Periodic Maintenance and Troubleshooting

General Maintenance Schedule

Routine checks, lubrication, and part replacements.

Engine Oil, Coolant, and Tire Care

Maintenance for vital fluid systems and tires.

Troubleshooting Common Problems

Diagnostic steps for starting and performance issues.

Motorcycle Care and Storage

Specifications and Identification

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