🏷️ Basic Information Identification Make: Kawasaki Model: KX250 2-Stroke Applicable Years: 2005, 2006, 2007, 2008 Sub Model Variants: All versions Vehicle Type: Motorcycle Engine Type: 2-Stroke Codes Chassis Code General: KX250 (Specific chassis codes vary by year, typically found in VIN) 👋 Introduction Market Position Segment: Motocross / Off-Road Competition Competitive Analysis Competitors: Honda CR250R, Yamaha YZ250, Suzuki RM250 Key Features Vehicle Focus: Performance-oriented motocross bike, known for its strong powerband and agile handling. Manual Advantage: Provides essential information for owners and mechanics to maintain and repair the specific KX250 models, offering an alternative to expensive official print manuals. Manual Benefit Usability: Instant access allows for immediate troubleshooting and repair, especially useful in remote locations or for on-the-fly fixes. 📋 Manual Details Coverage Areas Primary Coverage: 2005-2008 Kawasaki KX250 2-Stroke Motorcycles Specific Models Covered: 2005 Kawasaki KX250, 2006 Kawasaki KX250, 2007 Kawasaki KX250, 2008 Kawasaki KX250 Page Count Estimated Page Count: N/A (Digital Download - Content extensive) Manual Type Type: Repair Manual / Workshop Manual / Owner's Manual / Parts Catalog Information Language Language: English Format Format: PDF (Electronic Download) 📖 Manual Coverage Systems Covered Engine: Complete engine assembly, disassembly, diagnosis, internal components (piston, rings, crankshaft, connecting rod, cylinder, head, reed valve assembly) Fuel System: Carburetor (Mikuni VM series commonly used for this era), fuel tank, fuel lines, fuel filter Lubrication Cooling: 2-stroke oil injection system (if equipped, though many KX models rely on pre-mix), cooling system (radiators, hoses, coolant) Transmission Drivetrain: Clutch operation, transmission gears, shift drum and forks, drive chain, sprockets (front and rear) Steering Suspension: Handlebar, steering stem, bearings, front fork (Öhlins, Showa, KYB depending on specific model year and configuration), rear shock absorber (monoshock system) Brakes: Front and rear hydraulic disc brake systems, brake fluid, calipers, master cylinders, lines, pads, rotors Electrical System: Ignition system (CDI, coil), lighting (if equipped), wiring diagrams, battery, fuses, switches, kill switch Bodywork Frame: Frame, sub-frame, fenders, seat, fuel tank (plastic), airbox, exhaust system (expansion chamber, silencer) Procedures Included Maintenance: Routine checks, oil changes (gearbox oil), filter cleaning/replacement, chain adjustment, spark plug inspection/replacement, pre-ride inspections Repair: Engine rebuilds, carburetor tuning, suspension servicing, brake bleeding, clutch adjustment, electrical diagnostics and repair, wheel bearing replacement Troubleshooting: Diagnosis of common running issues, electrical faults, engine performance problems, suspension anomalies Installation Removal: Engine removal and installation, wheel removal and installation, exhaust system removal and installation, body panel removal and installation Technical Depth Depth: Comprehensive (from basic maintenance to complete engine disassembly and overhaul) 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable PDF (typical for quality digital manuals) Print Quality Printability: Printable (allows users to print specific sections) Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Type: Liquid-cooled, 2-stroke, single-cylinder Displacement Cc: 249cc (approximately, common for KX250 2-stroke) Bore X Stroke: Specifications vary slightly by year; typically around 66.4mm x 72mm. Performance Horsepower: Typically in the range of 45-50 HP, depending on year and tuning. Torque: Significant torque for its displacement, optimized for mid-range power delivery. Fuel System Carburetor Type: Mikuni TMX series (e.g., TMX38) is common for this generation. Fuel Type: Unleaded gasoline with 2-stroke oil pre-mix (typically 32:1 or 40:1, check specific manual recommendations). Engine Components Ignition System: Digital CDI with electronic advance Starting System: Kickstarter 🔧 Transmission Standard Type: 5-speed constant mesh Features Clutch: Wet, multi-plate, cable-actuated Final Drive: Chain drive (RK, DID, or similar quality chains typically used) 📐 Dimensions Weights Dry Weight: Approximately 210-225 lbs (95-102 kg), varying slightly by year. Seat Height: Around 38-39 inches (965-990 mm), typical for motocross bikes. Ground Clearance: Approximately 13-14 inches (330-355 mm). Fuel Capacity: Around 2.1-2.2 gallons (8.0-8.3 liters). 🛡️ Safety Features Ratings Type: N/A (Off-road competition vehicle, not subject to road-legal safety ratings) Active Features Brakes: Powerful front and rear hydraulic disc brakes for stopping performance. Passive Features Frame Construction: Strong aluminum perimeter frame for rigidity and durability. 💡 Technology Features Infotainment Features: N/A (This is a dedicated motocross competition vehicle, devoid of typical street-bike technology like infotainment systems.) Driver Assistance Features: N/A (No electronic rider aids; purely mechanical and rider-controlled performance.) Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change Gearbox: Every 15-20 hours of riding or annually. Specific Kawasaki gearbox oil grades (e.g., SAE 80 or 90 GL-4) are recommended. Air Filter Cleaning: After every few rides, especially in dusty conditions. Clean with appropriate cleaner and re-oil with filter oil. Spark Plug Inspection: Every 10-15 hours, check gap and condition. Recommended plugs often NGK BR/R series (e.g., BR9EG). Fluid Specifications Coolant: Mixture of distilled water and high-quality motorcycle coolant (e.g., Engine Ice, Maxima Cool-Aide) for optimal heat management. Brake Fluid: DOT 4 or DOT 5.1 recommended for hydraulic brake systems. Premix Oil: High-quality, castor-based or synthetic 2-stroke racing oil (e.g., Motul 800 2T Offroad, Maxima K2). Known Issues Engine...
KX250 (Specific chassis codes vary by year, typically found in VIN)
👋 Introduction
Market Position
Segment:
Motocross / Off-Road Competition
Competitive Analysis
Competitors:
Honda CR250R, Yamaha YZ250, Suzuki RM250
Key Features
Vehicle Focus:
Performance-oriented motocross bike, known for its strong powerband and agile handling.
Manual Advantage:
Provides essential information for owners and mechanics to maintain and repair the specific KX250 models, offering an alternative to expensive official print manuals.
Manual Benefit
Usability:
Instant access allows for immediate troubleshooting and repair, especially useful in remote locations or for on-the-fly fixes.
Carburetor (Mikuni VM series commonly used for this era), fuel tank, fuel lines, fuel filter
Lubrication Cooling:
2-stroke oil injection system (if equipped, though many KX models rely on pre-mix), cooling system (radiators, hoses, coolant)
Transmission Drivetrain:
Clutch operation, transmission gears, shift drum and forks, drive chain, sprockets (front and rear)
Steering Suspension:
Handlebar, steering stem, bearings, front fork (Öhlins, Showa, KYB depending on specific model year and configuration), rear shock absorber (monoshock system)
Brakes:
Front and rear hydraulic disc brake systems, brake fluid, calipers, master cylinders, lines, pads, rotors
Diagnosis of common running issues, electrical faults, engine performance problems, suspension anomalies
Installation Removal:
Engine removal and installation, wheel removal and installation, exhaust system removal and installation, body panel removal and installation
Technical Depth
Depth:
Comprehensive (from basic maintenance to complete engine disassembly and overhaul)
📊 Manual Specifications
File Format
Format:
PDF
Searchability:
Likely text-searchable PDF (typical for quality digital manuals)
Print Quality
Printability:
Printable (allows users to print specific sections)
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper Type:
N/A (Digital Download)
⚙️ Engine Specifications
Primary Engine
Type:
Liquid-cooled, 2-stroke, single-cylinder
Displacement Cc:
249cc (approximately, common for KX250 2-stroke)
Bore X Stroke:
Specifications vary slightly by year; typically around 66.4mm x 72mm.
Performance
Horsepower:
Typically in the range of 45-50 HP, depending on year and tuning.
Torque:
Significant torque for its displacement, optimized for mid-range power delivery.
Fuel System
Carburetor Type:
Mikuni TMX series (e.g., TMX38) is common for this generation.
Fuel Type:
Unleaded gasoline with 2-stroke oil pre-mix (typically 32:1 or 40:1, check specific manual recommendations).
Engine Components
Ignition System:
Digital CDI with electronic advance
Starting System:
Kickstarter
🔧 Transmission
Standard
Type:
5-speed constant mesh
Features
Clutch:
Wet, multi-plate, cable-actuated
Final Drive:
Chain drive (RK, DID, or similar quality chains typically used)
📐 Dimensions
Weights
Dry Weight:
Approximately 210-225 lbs (95-102 kg), varying slightly by year.
Seat Height:
Around 38-39 inches (965-990 mm), typical for motocross bikes.
Ground Clearance:
Approximately 13-14 inches (330-355 mm).
Fuel Capacity:
Around 2.1-2.2 gallons (8.0-8.3 liters).
🛡️ Safety Features
Ratings
Type:
N/A (Off-road competition vehicle, not subject to road-legal safety ratings)
Active Features
Brakes:
Powerful front and rear hydraulic disc brakes for stopping performance.
Passive Features
Frame Construction:
Strong aluminum perimeter frame for rigidity and durability.
💡 Technology Features
Infotainment
Features:
N/A (This is a dedicated motocross competition vehicle, devoid of typical street-bike technology like infotainment systems.)
Driver Assistance
Features:
N/A (No electronic rider aids; purely mechanical and rider-controlled performance.)
Connectivity
Features:
N/A
🔧 Maintenance
Service Intervals
Oil Change Gearbox:
Every 15-20 hours of riding or annually. Specific Kawasaki gearbox oil grades (e.g., SAE 80 or 90 GL-4) are recommended.
Air Filter Cleaning:
After every few rides, especially in dusty conditions. Clean with appropriate cleaner and re-oil with filter oil.
Spark Plug Inspection:
Every 10-15 hours, check gap and condition. Recommended plugs often NGK BR/R series (e.g., BR9EG).
Fluid Specifications
Coolant:
Mixture of distilled water and high-quality motorcycle coolant (e.g., Engine Ice, Maxima Cool-Aide) for optimal heat management.
Brake Fluid:
DOT 4 or DOT 5.1 recommended for hydraulic brake systems.
Premix Oil:
High-quality, castor-based or synthetic 2-stroke racing oil (e.g., Motul 800 2T Offroad, Maxima K2).
Known Issues
Engine Wear:
Piston and ring wear is common with hard use; regular top-end rebuilds (piston, rings, power valve components) are typical maintenance items every 50-100 hours.
Carburetor Jetting:
Carburetor jetting can be sensitive to altitude, temperature, and exhaust modifications; proper tuning is crucial for optimal performance and longevity.
Suspension Seals:
Front fork and rear shock seals can wear over time, leading to leaks; regular fork seal maintenance and oil changes are recommended.
📚 Vehicle History
Brand Heritage
Kawasaki Legacy:
Kawasaki has a long and successful history in motocross racing with the KX line, dating back decades.
Model Evolution
Kx250 Evolution:
The KX250 2-stroke saw continuous development, with significant updates in chassis, suspension, and engine performance during the 2000s to remain competitive.
Production
Production Period:
2005-2008 represents a specific iteration of the KX250 2-stroke before the model line transitioned primarily to 4-stroke. The 2-stroke model continued to be offered by some markets and enthusiasts for its unique characteristics.
🏆 Awards & Recognition
Recognitions
Motocross Performance:
Kawasaki KX models historically receive praise in motocross media and competitions for their power and handling, often winning shootouts in their respective classes during their production years.
Ratings
Review Consensus:
Praised for strong engine performance and capable suspension, a popular choice among amateur and professional motocross racers.