This manual covers the 125 and 200 models from the early 2000s, specifically the years 1999 through 2003. These motorcycles are known for embodying a 'Ready to Race' philosophy, offering agile handling and a sporty riding experience in the entry-level to mid-range sport motorcycle segment. With a single-cylinder, four-stroke engine available in approximately 125cc and 200cc displacements, these bikes provided a premium European alternative, competing with established Japanese manufacturers. Their lightweight construction, often featuring a steel trellis frame, contributes to their distinctive performance and maneuverability, making them popular for commuting, beginner riders, and even track day enthusiasts. This comprehensive full service repair manual provides detailed guidance for maintaining and repairing your 125 or 200. It covers all essential systems, including engine mechanicals, fuel and ignition systems, transmission, electrical components, chassis, suspension, and brakes. You will find step-by-step procedures for routine maintenance, scheduled servicing, troubleshooting common issues, and even complete engine and transmission overhauls. The manual includes vital technical specifications, wiring diagrams, and information on special tools, ensuring that owners, mechanics, and technicians have the resources necessary for accurate diagnostics and effective repairs, preserving the performance and longevity of these capable machines. 🏷️ Basic Information Identification Make: KTM Model: 125 / 200 Model Variant: Likely refers to models that share common chassis and powertrain components, potentially Duke or RC variants depending on the market and specific year. Generation Generation: This manual covers a specific period of the early 2000s models, likely representing a consistent generation or significant platform update for both the 125 and 200cc models. Codes Chassis Codes: Specific chassis codes would vary by exact model (e.g., Duke, RC) and market, but the manual would detail these for accurate part identification and reference. Engine Codes: Engines likely share a common architecture. Specific engine codes would denote the 125cc and 200cc variants, details of which are present in the manual. 👋 Introduction Market Position Market Segment: Entry-level to mid-range sport motorcycles, popular for commuting, beginner riders, and track day use due to their agility and manageable power. Competitive Analysis Competitors: Competed with models from Yamaha (YZF-R125, YZF-R15), Honda (CBR125R), Suzuki (GSX-R125), Kawasaki (Ninja 125), and various European manufacturers in similar displacement classes. Key Features Design Philosophy: KTM's 'Ready to Race' ethos likely applied, emphasizing performance, handling, and a sporty riding experience even in smaller displacement models. Engine Variants: Availability of both 125cc and 200cc options offered different performance tiers within the same chassis platform, catering to licensing regulations and rider experience. 📋 Manual Details Coverage Areas Years Covered: 1999, 2000, 2001, 2002, 2003 Models Covered: KTM 125 and KTM 200 Page Count Page Count: Detailed page count not specified, but typically extensive for a full service repair manual covering multiple model years and variants. Manual Type Manual Type: Full Service Repair Manual Language Language: Likely English, but could be multilingual depending on the publisher and target market. Manuals of this type often include multiple languages. Format Format: Digital (PDF) is most common for modern listings. Physical printed copies are also possible. 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine disassembly, assembly, inspection, repair, and tuning for both 125cc and 200cc variants. Includes cylinder head, piston, crankshaft, connecting rod, valve timing, lubrication system, cooling system (if applicable, e.g., liquid-cooled), and gasket replacement. Fuel System: Carburetor (likely Keihin or similar) service, adjustment, and overhaul. Fuel tank, fuel lines, fuel pump (if applicable), and fuel filter maintenance. Ignition System: CDI unit, spark plug, ignition coil, wiring, and troubleshooting for optimal spark generation. Transmission: Clutch operation, maintenance, and replacement. Gearbox disassembly, inspection, and reassembly. Gear shift mechanism, shift drum, and shift forks. Transmission fluid specifications and change intervals. Electrical System: Wiring diagrams for all circuits, battery maintenance, charging system (alternator/stator, regulator/rectifier), lighting system, starter motor, and fuse box. Troubleshooting electrical faults. Chassis And Frame: Frame inspection, steering head bearing service, and general chassis maintenance. Suspension component details and service procedures. Suspension Front: Front fork service, including oil changes, seal replacement, spring inspection, and damping adjustments. Specific fork model identification and procedures. Brakes: Front and rear brake system overhaul, including caliper service, master cylinder service, brake fluid replacement and bleeding, brake pad inspection and replacement, and brake line condition checks. ABS system details if equipped (unlikely for this era/displacement). Cooling System: If liquid-cooled, detailed procedures for radiator, coolant hoses, water pump, thermostat inspection, coolant type, and flushing. Wheels And Tires: Tire pressure recommendations, tire wear inspection, wheel bearing service, and spoke tension adjustment (if applicable for spoked wheels). Bodywork And Trim: Fairing removal and installation, seat service, fuel tank removal, and cosmetic component maintenance. Suspension Rear Suspension Rear: Rear shock absorber service, linkage maintenance (if applicable), swingarm pivot bearing service, and rear wheel bearing service. Procedures Included Routine Maintenance: Oil changes, filter replacements (oil, air), chain lubrication and adjustment, brake pad checks, tire pressure checks,...