🏷️ Basic Information Identification Make: KTM Model: 125 SX, 125 EXC, 144 SX, 144 EXC, 150 SX, 150 EXC, 200 SX, 200 EXC Year Range: 1999-2010 Codes Chassis Codes: Varies by model and year (e.g., SX models typically use SX chassis codes, EXC models use EXC chassis codes) Engine Codes: Varies by model and displacement (e.g., 125cc, 144cc, 150cc, 200cc) 👋 Introduction Market Position Segment: Off-road motorcycles (Motocross and Enduro) known for their performance-oriented nature and Austrian engineering. Competitive Analysis Key Competitors: Yamaha YZ125, YZ250, YZ250F; Honda CR125R, CR250R, CRF250X; Suzuki RM125, RM250, RM-Z250; Kawasaki KX125, KX250, KX250F Key Features Manual Value Proposition: Provides comprehensive, factory-level repair and maintenance information, empowering owners and independent workshops to perform all necessary tasks with confidence. Vehicle Strengths: Lightweight chassis, potent two-stroke engines (for their displacement), excellent handling characteristics, premium components typical of KTM. 📋 Manual Details Coverage Areas Primary Regions: Global (covering specifications and procedures applicable across most international markets for these models) Specific Models Covered: KTM 125 SX, KTM 125 EXC, KTM 144 SX, KTM 144 EXC, KTM 150 SX, KTM 150 EXC, KTM 200 SX, KTM 200 EXC Page Count Estimated Page Count: Hundreds (exact count not specified, but described as 'hundreds of pages' with detailed photos & diagrams) Manual Type Type: Service Repair Workshop Manual Language Language: English (implied by product description and common practice for such manuals) Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Powertrain: Engine (two-stroke), clutch, gearbox, ignition system, exhaust system Chassis: Frame, suspension (front forks, rear shock absorber), steering, wheels, brakes (front and rear), fuel tank, seat, bodywork, electrical system (lighting, wiring harness) Procedures Included Maintenance: Routine servicing, oil changes, filter replacements, chain adjustment, spark plug service, decarbonization Repair: Engine rebuilds (top-end and bottom-end), transmission overhauls, suspension component replacement, brake caliper servicing, carburetor tuning, electrical fault diagnosis and repair Troubleshooting: Diagnostic procedures for common issues, performance problems, starting difficulties, electrical faults Technical Depth Depth: Comprehensive; covers everything from basic maintenance to complete engine and chassis overhauls, including detailed exploded diagrams and step-by-step instructions. 📊 Manual Specifications File Format File Type: PDF Searchable: Likely searchable if OCR processed, though not explicitly stated. Typical for professional PDFs. Print Quality Printable: Yes, single pages or the entire manual can be printed. Binding Type Binding: N/A (Digital download) Paper Type Paper Quality: N/A (Digital download) Usage Rights Device Compatibility: Compatible with unlimited computers (Windows & MAC), tablets, and smartphones. Licensing: Full, unlimited use for life; no expiry dates or renewal fees. ⚙️ Engine Specifications Primary Engine Type: Two-stroke, single-cylinder, liquid-cooled Displacements: 125cc, 144cc, 150cc, 200cc (specific to models) Bore X Stroke: Varies by displacement (e.g., 125cc models often around 54mm x 54.5mm, 200cc models around 64mm x 62.4mm) Performance Horsepower: Estimated 30-40+ HP depending on model and year (typical for this class) Torque: Estimated 20-25+ Nm depending on model and year Fuel System Carburetor: Typically Keihin PWK or similar, sized appropriately for displacement (e.g., 36-38mm). Fuel Type: Unleaded gasoline with appropriate two-stroke oil pre-mix (ratio typically 1:30 or 1:40, check manual for specifics) Ignition System Type: Digital CDI (Capacitor Discharge Ignition) with variable ignition timing. Lubrication System: Premix fuel/oil system, gearbox oil. 🔧 Transmission Standard Type: 6-speed manual transmission Optional Options: N/A (Standard configuration) Features Clutch: Hydraulically operated multi-plate wet clutch Gear Ratios: Specific ratios vary by model year and variant; detailed in the manual. Fluid Specifications Gearbox Oil: Typically SAE 10W/40 or 15W/50 API SG or higher, manual specific. 📐 Dimensions Exterior Wheelbase: Varies by model and year, typically around 1440-1470 mm. Weights Dry Weight: Approximately 95-105 kg (depending on model and equipment). Fuel Tank Capacity: Typically 7-9 liters (depending on model and year). 🛡️ Safety Features Ratings Crash Safety: N/A (Off-road motorcycles not subjected to road vehicle crash safety standards like NCAP.) Active Features Braking System: Hydraulic disc brakes front and rear, typically with Brembo components. Suspension Design: Telescopic front forks (e.g., WP USD) and single-shock rear suspension (e.g., WP Monoshock) with adjustable preload, compression, and rebound damping. Passive Features Frame Material: Chromoly steel trellis frame 💡 Technology Features Infotainment Features: N/A (Basic off-road motorcycles, typically no complex infotainment systems beyond basic instrumentation.) Driver Assistance Features: N/A (No electronic rider aids common on modern street bikes). Connectivity Features: N/A Instrumentation Features: Digital or analog tachometer, speedometer (on some models), hour meter, indicator lights. 🔧 Maintenance Service Intervals Oil Change Gearbox: Typically every 10-15 hours of riding, or annually. Check manual for exact recommendation. Air Filter Cleaning: Frequent cleaning recommended, especially in dusty conditions (every few hours of use). Spark Plug Replacement: Varies, but recommended every 20-40 hours of riding or as per manual. Top End Rebuild: Typically 40-100 hours depending on riding style and engine condition; manual will provide specific guidance. Fluid Specifications Coolant: Mixture of distilled water and antifreeze (ethylene glycol based), typically 50/50. Brake...