Kawasaki KX125 & KX250 owners Manual. 2005

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🏷️ Basic Information Identification Make: Kawasaki Model: KX125 & KX250 Model Year: 2005 Vin Prefix Kx125: JKB00M3* Vin Prefix Kx250: JKB00M2* Product Name: Kawasaki KX125 & KX250 Owners Manual. 2005...

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Type: Motorcycle

Vendor:

Sku: 158617

Tags: 2005 Kawasaki KX Series KX125 KX250 Motorcycle Motorcycles

Product variants

Description

🏷️ Basic Information

Identification

Make:

Kawasaki

Model:

KX125 & KX250

Model Year:

Vin Prefix Kx125:

JKB00M3*

Vin Prefix Kx250:

JKB00M2*

Product Name:

Kawasaki KX125 & KX250 Owners Manual. 2005

👋 Introduction

Market Position

Market Segment:

High-performance off-road motocross motorcycles, designed for competitive racing and recreational riding.

Competitive Analysis

Competitors 2005:

Honda CR125R/CR250R, Yamaha YZ125/YZ250, Suzuki RM125/RM250, KTM 125 SX/250 SX.

Key Features

Performance Focus:

Lightweight chassis, powerful two-stroke engines, advanced suspension for motocross conditions.

Intended Use:

Motocross racing, off-road riding, track days.

Manual Purpose

Purpose:

To provide owners with the necessary information for safe and effective operation, routine maintenance, and basic care of their 2005 Kawasaki KX125 and KX250.

📋 Manual Details

Coverage Areas

Primary Coverage:

Operation, maintenance, and basic care for 2005 Kawasaki KX125 and KX250 motocross motorcycles.

Secondary Coverage:

Safety precautions, rider responsibilities, general information, and basic troubleshooting.

Page Count

Total Pages:

Manual Type

Type:

Owner's Manual

Language

Language:

English

Format

File Type:

📖 Manual Coverage

Systems Covered

Engine:

Operation, break-in procedures, lubrication, cooling (liquid-cooled), fuel system (carburetor), ignition system, exhaust system.

Transmission:

Operation, lubrication, clutch system, gear shifting.

Chassis And Suspension:

Frame, front suspension (telescopic forks), rear suspension (Uni-Trak system), wheels, tires, brakes (front and rear disc).

Electrical System:

Lighting (if applicable for specific regulations), ignition, basic electrical component identification.

Controls:

Handlebar controls, foot controls, throttle operation, clutch lever, brake levers.

Procedures Included

Operation:

Pre-ride inspection, starting procedures, riding techniques, stopping procedures, parking.

Maintenance:

Regular checks, cleaning, chain adjustment, air filter cleaning/replacement, spark plug inspection, coolant level check, brake fluid check, oil checks.

Adjustments:

Carburetor adjustments (idle speed), clutch lever free play, throttle cable free play, brake lever free play, chain tension, suspension sag (basic guidance).

Troubleshooting:

Basic troubleshooting for common starting issues, running problems, and minor operational faults.

Storage:

Short-term and long-term storage recommendations, including fuel stabilization and battery care.

Technical Depth

Depth:

Owner-level maintenance and operation. Does not cover detailed engine rebuilds, complex electrical diagnostics, or advanced chassis tuning.

📊 Manual Specifications

File Format

File Format:

Searchability:

Likely text-searchable, common for digital manuals.

Print Quality

Print Quality Recommendation:

High-quality print is recommended for clarity of diagrams and text.

Binding Type

Binding Type:

N/A (Digital Format)

Paper Type

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Primary Engine Kx125

Engine Type:

Liquid-cooled, 2-stroke, single cylinder

Displacement:

124 cc (7.57 cu in)

Bore X Stroke:

54.0 x 54.5 mm (2.13 x 2.15 in)

Compression Ratio:

9.2:1 (Typical)

Carburetion:

Keihin PWK38, single

Ignition:

Digital CDI

Lubrication:

Pre-mix, 2-stroke engine oil

Power Output:

Approx. 39-40 HP (at crankshaft, estimated based on era)

Primary Engine Kx250

Engine Type:

Liquid-cooled, 2-stroke, single cylinder

Displacement:

249 cc (15.2 cu in)

Bore X Stroke:

66.4 x 72.0 mm (2.61 x 2.83 in)

Compression Ratio:

8.9:1 (Typical)

Carburetion:

Keihin PWK39, single

Ignition:

Digital CDI

Lubrication:

Pre-mix, 2-stroke engine oil

Power Output:

Approx. 49-50 HP (at crankshaft, estimated based on era)

Performance

Fuel Type:

Unleaded gasoline with a minimum octane rating of 91.

Fuel System

Fuel Mixture Ratio:

Typically 32:1 or 40:1 (depending on oil type and manufacturer recommendation, consult manual for exact ratio).

🔧 Transmission

Standard Kx125

Type:

6-speed, constant mesh, return shift

Standard Kx250

Type:

6-speed, constant mesh, return shift

Features

Clutch:

Wet, multi-disc, manual operation

Final Drive:

Chain drive

📐 Dimensions

Exterior Kx125

Length:

Approx. 2165 mm (85.2 in)

Width:

Approx. 815 mm (32.1 in)

Height:

Approx. 1245 mm (49.0 in)

Wheelbase:

Approx. 1465 mm (57.7 in)

Ground Clearance:

Approx. 330 mm (13.0 in)

Exterior Kx250

Length:

Approx. 2170 mm (85.4 in)

Width:

Approx. 815 mm (32.1 in)

Height:

Approx. 1245 mm (49.0 in)

Wheelbase:

Approx. 1470 mm (57.9 in)

Ground Clearance:

Approx. 330 mm (13.0 in)

Weights

Dry Weight Kx125:

Approx. 92 kg (202.7 lbs)

Wet Weight Kx125:

Approx. 98 kg (216.0 lbs) (Estimate with fluids)

Dry Weight Kx250:

Approx. 97 kg (213.8 lbs)

Wet Weight Kx250:

Approx. 103 kg (227.1 lbs) (Estimate with fluids)

Cargo

Cargo Capacity:

N/A (Motocross bike)

🛡️ Safety Features

Ratings

Safety Certification:

N/A (Off-road vehicle, not street legal by default)

Active Features

Brakes:

Hydraulic disc brakes front and rear for strong stopping power.

Throttle Control:

Self-closing throttle mechanism for safety.

Passive Features

Frame Construction:

Strong perimeter frame for stability and rider feedback.

Bodywork:

Designed for rider maneuverability and protection in off-road conditions.

Rider Guidance

Protective Gear:

Manual emphasizes the critical importance of wearing appropriate protective riding gear (helmet, goggles, jersey, pants, boots, gloves).

💡 Technology Features

Infotainment

Infotainment System:

N/A (Motocross specific, no infotainment system).

Driver Assistance

Driver Assistance Systems:

N/A (Motocross specific, no electronic rider aids like ABS or traction control).

Connectivity

Connectivity Features:

N/A (Motocross specific, no connectivity features).

Engine Technology

Kawasaki Integrated Power Valve Kips:

The KX models of this era featured KIPS (Kawasaki Integrated Power Valve System) to optimize power delivery across the RPM range.

Chassis Technology

Frame Material:

Aluminum perimeter frame.

Suspension Design:

Front: Upside-down cartridge fork. Rear: Uni-Trak with adjustable monoshock.

🔧 Maintenance

Service Intervals General

Pre Ride Checks:

Daily/Before Each Ride: Check tire pressure, chain tension, brake operation, fluid levels, controls, loose fasteners.

Air Filter:

Clean after every few rides or as needed, depending on riding conditions.

Chain Lubrication Tension:

Lubricate chain regularly, adjust tension as needed (check manual for specific free play).

Spark Plug:

Inspect and clean/replace at recommended intervals (e.g., every 10-20 hours of use, or as per manual).

Coolant Level:

Check regularly, especially before extended rides.

Fluid Specifications

Engine Oil Type:

High-quality 2-stroke pre-mix oil (specific recommendations in manual, e.g., JASO FD or API TC rated).

Transmission Oil Type:

SAE 10W-30 API SG or SH transmission oil (specific recommendations in manual).

Coolant Type:

Permanent type antifreeze coolant mixed with distilled water (50/50 ratio recommended).

Brake Fluid Type:

DOT 4 hydraulic brake fluid.

Known Issues

Common Wear Items:

Clutch plates, piston rings, air filter, chain and sprockets, brake pads, wheel bearings, suspension seals.

Engine Performance Degradation:

Can occur with excessive wear on piston/rings or poor lubrication. Regular maintenance is key.

Suspension Maintenance:

Requires regular fork seal and oil changes for optimal performance.

📚 Vehicle History

Brand Heritage

Kawasaki Motorsports:

Kawasaki has a long and successful history in motorcycle racing, particularly in motocross and supercross.

Model Evolution Kx125

Kx125 Development:

The KX125 lineage evolved significantly through the late 90s and early 2000s, focusing on chassis dynamics and engine performance improvements.

Model Evolution Kx250

Kx250 Development:

The KX250 also underwent continuous development, with the 2005 model representing a refined version of a highly competitive platform.

Production

Production Period:

The KX125 and KX250 were produced for many years, with the 2005 model being part of the second generation of the aluminum-frame era (introduced in 2003).

🏆 Awards & Recognition

Recognitions

Motocross Championships:

Kawasaki KX models have a strong history of winning championships in national and international motocross and supercross events.

Ratings

Editorial Reviews 2005:

The 2005 KX125 and KX250 were generally well-received by motorcycle press for their performance, handling, and competitive nature in their respective classes.