Yamaha YZF-R125 2008-2015 Workshop Service Repair Manual

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Type: Motorcycle

Vendor:

Sku: 69880

Tags: 2008 2009 2010 2011 2012 2013 2014 2015 Motorcycle Motorcycles Yamaha YZF Models YZF-R125

Product variants

Description

This manual covers the Yamaha YZF-R125, a premium 125cc supersport model produced from 2008 to 2015. Known for its R-series styling and advanced technology for its segment, this entry-level sportbike offers impressive performance with its liquid-cooled, 4-stroke, 125cc engine featuring fuel injection and a 6-speed transmission. The YZF-R125 is acclaimed for its design, handling, and engineering quality, making it a popular choice for riders seeking a sporty and reliable machine. This comprehensive workshop service repair manual provides in-depth, professional-quality detail for all aspects of the Yamaha YZF-R125. It includes step-by-step repair and diagnostic procedures for mechanical and electrical systems, routine maintenance guidelines, and detailed troubleshooting for common issues. With hundreds of illustrations and photos, this manual is an essential resource for do-it-yourself enthusiasts and experienced mechanics alike, ensuring the proper maintenance and repair of the vehicle and avoiding costly dealership services.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

YZF-R125

Model Years Covered:

2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015

Generation

Generation Identifier:

First Generation (2008-2015)

👋 Introduction

Market Position

Target Audience:

Do-it-yourselfer and experienced mechanic

Segment Description:

Premium 125cc supersport, offering R-series styling and technology

Competitive Analysis

Value Proposition:

Inexpensive way to keep vehicle working properly, avoids costly dealership repairs

Key Features

Content Detail:

Hundreds of photos and illustrations, detailed substeps, notes, cautions, and warnings

Usability:

Numbered instructions, bold figure numbers for easy reference, numbered table of contents

📋 Manual Details

Coverage Areas

Primary Coverage:

Complete Workshop Service Repair

Additional Coverage:

All Styles Covered

Page Count

Estimated Page Count:

Hundreds of Pages (Specific count not provided but implied substantial)

Manual Type

Type:

Official Factory Service Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Mechanical Systems:

General Information, Fuel System, Cooling System, Engine Top End, Clutch, Engine Lubrication System, Engine Removal/Installation, Crankshaft/Transmission, Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame

Electrical Systems:

Electrical System, Troubleshooting, Wiring Diagrams

Suspension Components:

Front forks (telescopic, upside-down type), rear monoshock (details on adjustment, seals, fluid)

Wheel And Tire Service:

Wheel bearing replacement, tire mounting/balancing, wheel alignment checks

Brake System Detail:

Front and rear disc brake caliper overhaul, master cylinder service, hydraulic line bleeding

Electrical System Detail:

Ignition system, lighting system, charging system (stator, regulator/rectifier), starter motor, ECU diagnostics, sensor testing

Procedures Included

Repair Procedures:

Step-by-step instructions based on complete disassembly, diagnostic procedures, repair procedures, troubleshooting guides

Maintenance Procedures:

Routine maintenance, fluid changes, component inspections

Engine Rebuild:

Detailed procedures for complete engine disassembly, inspection, and reassembly

Chassis Component Service:

Frame inspection, swingarm bearing service, steering head bearing replacement

Technical Depth

Depth Of Information:

In-depth, Professional Quality, Complete Factory Detail

Diagnostic Capabilities:

Advanced diagnostics for engine, fuel, electrical, and mechanical systems

📊 Manual Specifications

File Format

Format:

Compatibility:

All PC based Windows operating systems and Mac

Searchability:

Likely text-searchable PDF (standard for professional manuals)

Print Quality

Printability:

Printable without any restriction (entirety or specific pages)

Binding Type

Delivery Method:

Digital Download

Paper Type

Physical Format Option:

Can be burned to CD-ROM (user discretion)

Requirements

Software Requirement:

Adobe PDF Reader

⚙️ Engine Specifications

Primary Engine

Engine Type:

Liquid-cooled, 4-stroke, SOHC, 4-valve

Displacement:

125cc

Bore X Stroke:

52.0 mm x 58.6 mm (Specifics detailed in manual)

Compression Ratio:

11.2:1 (Specifics detailed in manual)

Performance

Horsepower:

Approx. 15 PS (Power output varies slightly by region and regulations)

Torque:

Specific torque figures not provided in product description, but detailed in manual.

Fuel System

Fuel Delivery:

Fuel Injection (Specific system detailed in manual)

Fuel Type:

Unleaded gasoline

🔧 Transmission

Standard

Type:

Constant mesh, 6-speed

Features

Clutch Type:

Wet, multiple-disc

Final Drive Type:

Chain drive

📐 Dimensions

Exterior

Style:

Sportbike / Supersport

Weights

Dry Weight:

Approx. 135 kg (Specific weight varies by exact specification)

Wet Weight:

Approx. 142 kg (Specific weight varies by exact specification, including fluids)

🛡️ Safety Features

Active Features

Braking System:

Hydraulic disc brakes front and rear (specifics detailed in manual)

Passive Features

Chassis Structure:

Deltabox frame (specifics detailed in manual)

💡 Technology Features

Infotainment

Dashboard Display:

Digital LCD instrument cluster (details on functions and diagnostics in manual)

Driver Assistance

Optional (Check specific market configuration; ABS troubleshooting in manual if equipped)

Connectivity

Features:

None specific to infotainment/connectivity in this segment, focus is on mechanical and electrical systems.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Refer to manual for specific intervals (typically every 5,000-6,000 km or annually)

Spark Plug Replacement:

Refer to manual for specific intervals

Fluid Specifications

Engine Oil Type:

Yamalube or equivalent SAE 10W-40 API SG type or higher, JASO MA compliant (specifics in manual)

Coolant Type:

Ethylene glycol-based non-ammonia coolant, 50% mixture with de-ionized water (specifics in manual)

Transmission Oil Type:

Yamalube Gear Oil or equivalent API GL-4, SAE 80W (specifics in manual)

Known Issues

Common Wear Items:

Chain and sprockets, brake pads, tires, clutch plates (detailed diagnosis and replacement in manual)

Electrical Component Check:

Battery health, charging system, switchgear functionality (comprehensive troubleshooting in manual)

📚 Vehicle History

Brand Heritage

Manufacturer:

Yamaha Motor Company

Model Evolution

Segment:

Entry-level sportbike, popular in European markets

Production

Introduction Year:

🏆 Awards & Recognition

Recognitions

Market Reception:

Highly acclaimed entry-level sportbike for its design, performance, and handling in its class.