Kawasaki KX125 + KX250 2003-2008 Service Repair Manual

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This manual covers the KX125 and KX250 models, including variants M1, M2, M3, M6F, M7F, and M8F, for the production years 2003 through 2008. These performance-oriented motocross bikes are known...

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Tipo: Motorcycle

Proveedor:

SKU: 152443

Etiquetas: 2003 2004 2005 2006 2007 2008 Kawasaki KX Series KX125 KX250 Motorcycle Motorcycles

Variantes de producto

Descripción

This manual covers the KX125 and KX250 models, including variants M1, M2, M3, M6F, M7F, and M8F, for the production years 2003 through 2008. These performance-oriented motocross bikes are known for their powerful liquid-cooled, 2-stroke single-cylinder engines and robust chassis, reflecting a strong heritage in motorsports. They feature advanced engineering for competitive motocross racing, including high-tensile steel perimeter frames, reliable disc braking systems, and precise suspension and steering. The KX series has consistently earned recognition for its performance and handling in racing circuits and enthusiast reviews. This original factory service repair workshop manual provides comprehensive English language documentation for the maintenance and repair of your KX125 or KX250. It details procedures for engine systems, drivetrain, chassis, and electrical systems, covering topics from periodic maintenance and component rebuilds to troubleshooting and diagnostic procedures. With 348 high-resolution, printable pages, this manual offers professional-level technical data, including wiring diagrams and specific bulletins, to ensure accurate and complete service for owners, mechanics, and technicians.

🏷️ Basic Information

Identification

Make:

Kawasaki

Model:

KX125

Model Variant:

KX250

Product Type:

Service Repair Workshop Manual

Codes

Kx125 Model Codes:

M1, M2, M3, M6F, M7F, M8F

Kx250 Model Codes:

M1, M2

👋 Introduction

Market Position

Target Audience:

Kawasaki KX125 and KX250 owners, technicians, and enthusiasts seeking in-depth repair and maintenance guidance.

Competitive Analysis

Value Proposition:

Provides professional-level diagnostic, repair, and maintenance data directly from the manufacturer, ensuring accuracy and completeness.

Key Features

Content Source:

Original factory service manual, offering the most accurate and complete information available.

Accessibility:

Instant digital access to hundreds of pages of diagrams and detailed instructions.

📋 Manual Details

Coverage Areas

Years Covered:

2003, 2004, 2005, 2006, 2007, 2008

Page Count

Total Pages:

Manual Type

Manual Classification:

Original Factory Service Repair Workshop Manual

Language

Language:

English

Format

File Format:

Compatibility:

All Versions of Windows & Mac

Reader Requirement:

Adobe PDF Reader

📖 Manual Coverage

Systems Covered

Engine Systems:

Fuel System, Cooling System, Engine Top End, Engine Lubrication System, Crankshaft/Transmission

Drivetrain Systems:

Clutch, Final Drive

Chassis Systems:

Wheels/Tires, Brakes, Suspension, Steering, Frame

Electrical Systems:

Electrical System, Wiring Diagrams

Procedures Included

Maintenance Procedures:

Periodic Maintenance, General Information, Appendix

Repair Procedures:

Engine Removal/Installation, Component Rebuilds, Diagnostic Procedures

Technical Depth

Diagnostic Capability:

Comprehensive diagnostic information as used by professional technicians

Repair Scope:

Detailed information for specific vehicle or equipment repair, including wiring diagrams and bulletins

📊 Manual Specifications

File Format

Document Quality:

High-resolution PDF with clear diagrams and text

Print Quality

Printability:

Printable pages for workshop use

Binding Type

Digital Format:

Digital (PDF)

Paper Type

Physical Format:

N/A (Digital)

⚙️ Engine Specifications

Primary Engine

Kx125 Engine Type:

Liquid-cooled, 2-stroke single cylinder

Kx250 Engine Type:

Liquid-cooled, 2-stroke single cylinder

Performance

Kx125 Bore X Stroke:

52.5 x 57.0 mm (Typical for this era)

Kx250 Bore X Stroke:

66.4 x 72.0 mm (Typical for this era)

Fuel System

Carburetor Type:

Keihin PWK (Specific model dependent, typically flat slide)

Fuel Type:

Unleaded gasoline with 2-stroke oil mix (pre-mix or injection depending on model specifics)

🔧 Transmission

Standard

Kx125 Transmission Type:

6-speed constant mesh, return shift

Kx250 Transmission Type:

6-speed constant mesh, return shift

Features

Clutch Type:

Wet, multi-disc, manual

📐 Dimensions

Weights

Kx125 Curb Weight:

Approx. 92 kg / 202.7 lbs (Dry weight varies, curb weight typically listed in manuals)

Kx250 Curb Weight:

Approx. 99 kg / 218.3 lbs (Dry weight varies, curb weight typically listed in manuals)

Exterior

Kx125 Length:

See manual for specific dimensions

Kx250 Length:

See manual for specific dimensions

🛡️ Safety Features

Ratings

Safety Focus:

Manual provides technical guidance for maintaining safety systems, not ratings.

Active Features

Braking System:

Front and rear disc brakes

Passive Features

Frame Construction:

High-tensile steel perimeter frame

💡 Technology Features

Infotainment

Infotainment System:

N/A (Performance motocross bike, no infotainment features).

Driver Assistance

Electronic Aids:

N/A (Mechanical systems focused on performance and rider control).

Connectivity

Connectivity Features:

🔧 Maintenance

Service Intervals

Oil Change Recommendation:

Refer to the manual for specific intervals based on operating conditions (e.g., hours of use).

Air Filter Cleaning:

Frequent cleaning and re-oiling recommended, especially in dusty conditions.

Fluid Specifications

Engine Oil Type:

2-stroke pre-mix oil (specific type and ratio detailed in manual).

Coolant Type:

Ethylene glycol-based coolant (specific mixture ratio provided).

Transmission Oil Type:

Refer to manual for specific gearbox oil specifications.

Known Issues

Top End Wear:

Regular inspection and replacement of piston, rings, and cylinder is crucial due to high-performance 2-stroke nature.

Clutch Slippage:

Can occur with aggressive riding or improper adjustment; manual details inspection and adjustment procedures.

Carburetor Tuning:

Requires precise tuning for optimal performance and to prevent engine damage; manual provides jetting information.

📚 Vehicle History

Brand Heritage

Kawasaki Motorsports:

Kawasaki has a long and successful history in motocross racing with the KX line.

Model Evolution

Kx Series Development:

The KX125 and KX250 models underwent continuous refinement during this period to maintain competitiveness in their respective classes.

Production

Manufacturing Location:

Japan (Primary manufacturing location for Kawasaki motorcycles)

🏆 Awards & Recognition

Recognitions

Motocross Performance:

Kawasaki KX models consistently received accolades in motocross magazines and racing circuits during this period for their performance and handling.