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Yamaha YBR125ED User Manual

Yamaha YBR125ED
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DIC183
YBR125ED
OWNER’S MANUAL
Read this manual carefully before operating this vehicle.
51D-F8199-E1
[English (E)]

Table of Contents

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Yamaha YBR125ED Specifications

General IconGeneral
Displacement124cc
Bore x Stroke54.0 mm x 54.0 mm
Compression Ratio10.0:1
Fuel SystemFuel Injection
Ignition SystemCDI
Transmission5-speed
Front SuspensionTelescopic fork
Front BrakeSingle disc
Rear BrakeDrum
Front Tire2.75-18 42P
Rear Tire90/90-18 M/C 57P
Seat Height780 mm
Wet Weight126 kg
Final TransmissionChain
FrameDiamond
Overall Length1, 985 mm
Overall Width745 mm
Wheel Base1, 290 mm
Ground Clearance175 mm
Engine TypeAir cooled, 4-stroke, SOHC
Rear SuspensionSwingarm
Starting SystemElectric
Maximum Torque10.4 Nm (1.1 kg-m) @ 6, 500 rpm
Fuel Tank Capacity13.0 liters

Summary

Introduction to the Yamaha YBR125ED

Important Manual Information

Safety Information for Yamaha YBR125ED

Responsible Ownership and Safe Riding

General responsibilities and safe riding techniques for motorcycle operation.

Protective Apparel and Gear

Essential riding gear and its importance for rider safety and injury prevention.

Vehicle Hazards and Precautions

Information on carbon monoxide, safe loading, and aftermarket modifications.

Description of Yamaha YBR125ED Components

Vehicle Component Identification

Identifies major parts from left, right views, and controls overview.

Instrument and Control Functions

Handlebar Controls and Switches

Explains the function of switches and levers on the handlebars.

Dashboard Instrumentation and Indicators

Describes dashboard lights, warning lights, speedometer, fuel gauge, and tachometer.

Engine Starting and Operation Systems

Explains main switch, steering lock, kickstarter, ignition system, and fuel/emission controls.

Brake, Shift, and Chassis Controls

Covers brake pedal, shock absorbers, carrier, and sidestand adjustments.

Pre-Operation Checks for Safe Riding

Pre-Ride Fuel, Oil, and Brake Checks

Procedures for checking fuel, oil, brakes, and related systems before riding.

Clutch, Throttle, and Drive Chain Checks

Verifies clutch, throttle, drive chain, tires, and instrument operations.

Operation and Important Riding Points

Starting the Engine and Shifting Gears

Steps for safely starting the engine and proper gear shifting techniques.

Fuel Efficiency and Engine Break-in

Tips for fuel economy and crucial engine break-in period guidelines.

Parking Procedures and Safety

Safe practices for parking the motorcycle, considering hot components and location.

Periodic Maintenance and Adjustment

Periodic Maintenance Charts and Tool Kit

Schedules for emission control and general maintenance, plus owner's tool kit info.

Engine and Air Filter Service

Guides for spark plug check, engine oil change, and air filter cleaning.

Brake, Drive Chain, and Cable Maintenance

Procedures for brake systems, drive chain slack, cleaning, and lubricating cables.

Wheel, Bearing, Steering, and Battery Maintenance

Covers wheel bearings, steering, battery service, and fuse replacement.

Lighting, Tire, and Wheel Service

Steps for replacing bulbs, tire inspection, and wheel removal/installation.

Troubleshooting Common Issues

A chart to diagnose common starting and operational problems.

Motorcycle Care and Storage

Vehicle Cleaning and Care Procedures

General guidelines for cleaning the motorcycle and its components.

Usage-Specific Care and Storage

Care after riding in specific conditions and procedures for motorcycle storage.

Specifications for Yamaha YBR125ED

Vehicle Dimensions, Weight, and Engine Specs

Lists overall dimensions, weight, engine type, displacement, and oil/fuel specs.

Chassis, Brakes, and Electrical System Specs

Provides data on frame, tires, brakes, suspension, wheels, and electrical systems.

Consumer Information

Vehicle and Model Identification Numbers

Explains how to find and record vehicle identification and model label information.

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