2003-2005 KAWASAKI KX125 KX250 2-STROKE Motorcycle Manual

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Art.-Nr: 132586

Stichworte: 2003 2004 2005 4 Stroke Engines Manuals Engines Kawasaki KX125 KX250 Motorcycle

Produktvarianten

Beschreibung

This manual covers the KX125 and KX250 motorcycles from the 2003, 2004, and 2005 model years. These 2-stroke, liquid-cooled single-cylinder motorcycles are renowned for their performance heritage in motocross. Key features include advanced engine technology, a perimeter high-tensile steel frame, and adjustable suspension systems designed for optimal handling and rider control. The KX series has a strong legacy in competitive off-road riding, with these models representing a significant period of development in their history. This comprehensive service manual provides essential technical information for the repair, maintenance, and troubleshooting of your KX125 or KX250. It covers a wide range of systems, including engine, drivetrain, chassis, suspension, and electrical components. Detailed procedures for routine and scheduled maintenance, as well as in-depth repair instructions and diagnostic steps, are included. This manual is an indispensable resource for owners and technicians seeking to maintain the performance and longevity of their motorcycles, offering guidance from basic checks to complex component overhauls.

🏷️ Basic Information

Identification

Make:

Kawasaki

Model:

KX125 & KX250

Product Type:

Motorcycle Repair Manual Download

Vendor:

MyGreenManuals.com

Codes

Engine Type Kx125:

2-Stroke

Engine Type Kx250:

2-Stroke

Generation

Model Years Covered:

2003, 2004, 2005

👋 Introduction

Market Position

Target Audience:

Owners and mechanics of 2003-2005 Kawasaki KX125 and KX250 motorcycles.

Value Proposition:

Provides essential technical information for DIY repairs, maintenance, and troubleshooting, offering cost savings and convenience over physical manuals.

Competitive Analysis

Advantage Over Paper:

Instant download, no shipping costs, portable on devices for on-trail repairs, environmentally friendly, protected against damage/loss.

Key Features

Accessibility:

Immediate access post-payment, usable on smartphones, tablets, and computers.

📋 Manual Details

Coverage Areas

Primary Coverage:

Repair, Maintenance, Troubleshooting

Secondary Coverage:

Parts Lookup, Routine Maintenance

Page Count

Estimated Pages:

Extensive (specific count not provided, typical for full service manuals)

Manual Type

Type:

Service Manual / Repair Manual / Owner's Manual / Parts Catalog (Comprehensive)

Language

Language:

English

Format

Format:

Digital Download (PDF)

📖 Manual Coverage

Systems Covered

Engine:

Engine Removal and Installation, Engine Specifications, Fuel System, Lubrication and Cooling System, Intake & Exhaust

Drivetrain:

Transmission, Drive Chain & Sprockets

Chassis Suspension:

Steering System, Shocks

Electrical:

Electrical System

Bodywork:

Body Work

General:

General Information

Procedures Included

Maintenance:

Routine Maintenance, Scheduled Maintenance

Repair:

Engine Repair, Transmission Repair, Suspension Repair, Electrical System Repair, Bodywork Repair

Troubleshooting:

Advanced Troubleshooting, Diagnostic Procedures

Installation:

Engine Removal and Installation

Technical Depth

Depth:

Comprehensive: From basic checks and adjustments to full engine rebuilds and complex electrical diagnostics.

📊 Manual Specifications

File Format

File Type:

Searchability:

Searchable text within PDF

Print Quality

Print Quality:

High-resolution for clear diagrams and text when printed

Binding Type

Binding Type:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

Licensing

Usage Rights:

Lifetime Protection Policy (replacement if lost or damaged)

⚙️ Engine Specifications

Primary Engine

Engine Type Kx125:

Liquid-cooled, 2-stroke single cylinder

Engine Type Kx250:

Liquid-cooled, 2-stroke single cylinder

Performance

Bore Stroke Kx125 Approx:

54.0 x 54.5 mm (Typical for this era KX125)

Bore Stroke Kx250 Approx:

66.4 x 72.0 mm (Typical for this era KX250)

Horsepower Kx125 Est:

Approx. 35-40 HP (at crankshaft, depending on tuning)

Horsepower Kx250 Est:

Approx. 45-50 HP (at crankshaft, depending on tuning)

Fuel System

Carburetor Kx125:

Keihin PWK38S (common for this model)

Carburetor Kx250:

Keihin PWK39 (common for this model)

Fuel Type:

Unleaded gasoline (premium recommended), Pre-mix oil (specified ratio)

🔧 Transmission

Standard

Transmission Type Kx125:

6-speed, constant mesh, return shift

Transmission Type Kx250:

6-speed, constant mesh, return shift

Optional

Clutch Type:

Wet, multi-disc, manual operation

Features

Drive Type:

Chain Drive

📐 Dimensions

Exterior

Frame Type:

Perimeter, high-tensile steel (typical for this era)

Weights

Dry Weight Kx125 Approx:

93 kg (205 lbs)

Dry Weight Kx250 Approx:

102 kg (225 lbs)

🛡️ Safety Features

Ratings

Safety Focus:

Designed for off-road competition; safety features primarily related to rider control and equipment integrity.

Active Features

Braking System:

Disc brakes front and rear

Suspension Damping:

Adjustable front and rear suspension for optimal handling and stability.

💡 Technology Features

Infotainment

Features:

N/A (Competition motocross bikes of this era typically do not feature infotainment systems).

Driver Assistance

Features:

N/A (Focus is on rider input and mechanical systems).

Connectivity

Features:

🔧 Maintenance

Service Intervals

Oil Change Frequency:

Variable, dependent on usage (e.g., after specific operating hours or competitive events). Manual provides detailed guidelines.

Air Filter Cleaning:

Frequent cleaning recommended, especially in dusty conditions.

Spark Plug Inspection:

Regular inspection and replacement as needed based on performance.

Fluid Specifications

Engine Oil Type:

Specific 2-stroke pre-mix oil recommended by Kawasaki (e.g., KAWASAKI KENDALL 2-CYCLE OIL or equivalent meeting API TC, JASO FD standards).

Transmission Oil Type:

SAE 10W-40 API GL-4 (or specified equivalent like KAWASAKI GEAR OIL)

Coolant Type:

Permanent type antifreeze (ethylene glycol base) mixed with distilled water in a 50/50 ratio.

Known Issues

Common Wear Items:

Piston rings, clutch plates, chain and sprockets, wheel bearings, fork seals, spark plugs are common wear items requiring periodic replacement.

Engine Tuning Sensitivity:

Two-stroke engines can be sensitive to jetting and ignition timing, requiring precise adjustment for optimal performance and longevity.

📚 Vehicle History

Brand Heritage

Kawasaki Motocross:

Kawasaki has a long and successful history in motocross racing with its KX line, renowned for performance and innovation.

Model Evolution

Kx125 Kx250 Evolution:

These models represent a significant period in the development of 125cc and 250cc two-stroke motocross bikes, featuring advancements in engine technology (like KIPS - Kawasaki Integrated Power Valve System) and chassis design.

Production

Production Era:

2003-2005 models were part of the generation that continued the aggressive performance heritage of the KX series.

🏆 Awards & Recognition

Recognitions

Motocross Contributions:

Kawasaki KX models have consistently been competitive in professional and amateur motocross, often praised for their power delivery and handling.

Ratings

Editorial Reviews Era:

Contemporary reviews from magazines like Dirt Rider and Motocross Action often highlighted the strong performance and sharp handling of these KX models.