The 125 Duke and 200 Duke, produced in 2012, represent a commitment to performance and agile handling in the lightweight naked sportbike segment. These models are distinguished by their aggressive styling, potent single-cylinder engines, premium WP suspension, and ByBre braking components, embodying a 'Ready to Race' philosophy. Built with a lightweight trellis frame and featuring advanced fuel injection systems, they offer a dynamic riding experience ideal for urban commuting and spirited riding. The shared platform between the 125 and 200 Duke models ensures a high degree of commonality in their design and engineering. This comprehensive Service Repair Manual provides detailed instructions and specifications for the 125 Duke and 200 Duke. It covers all essential aspects of maintenance, repair, and troubleshooting across the engine, transmission, chassis, and electrical systems. Within its pages, you will find procedures for routine maintenance, component overhauls, electrical diagnostics, and chassis adjustments, along with critical torque specifications and troubleshooting guides for common issues. This manual is an indispensable resource for owners and technicians alike, ensuring the optimal performance, reliability, and longevity of these performance-oriented motorcycles. 🏷️ Basic Information Identification Make: KTM Model: 125 Duke / 200 Duke Year: 2012 Codes Vin Prefix: VBK Engine Codes: 125 Duke: Likely 'ECU-controlled', 200 Duke: Likely 'ECU-controlled' 👋 Introduction Market Position Market Position: The KTM 125 Duke and 200 Duke represent KTM's entry into the lightweight naked sportbike segment, targeting younger riders, commuters, and those seeking an agile, performance-oriented motorcycle with a premium feel. They compete with established European and Japanese offerings in the entry-level performance motorcycle class. Competitive Analysis Competitive Analysis: These models are positioned against competitors like the Yamaha MT-125/MT-03, Kawasaki Z125/Z250, Honda CB125R/CB300R, and Suzuki GSX-S125. The KTM Dukes typically stand out with their aggressive styling, WP suspension components, and strong performance relative to their displacement, often at a slightly higher price point. Key Features Key Features: Lightweight trellis frame, high-performance single-cylinder engine, premium WP suspension, ByBre braking components, aggressive 'Ready to Race' styling, digital instrument cluster. Performance Focus: These bikes are designed with a focus on sporty performance, agile handling, and a lightweight feel, making them ideal for urban riding and spirited spirited canyon carving. 📋 Manual Details Coverage Areas Coverage Areas: Engine, transmission, chassis, electrical system, suspension, brakes, bodywork, maintenance, troubleshooting, diagnostics, specifications. Page Count Page Count: Estimated 300-400 pages (typical for comprehensive service manuals) Manual Type Manual Type: Service Repair Manual Language Language: English Format Format: PDF Digital Advantage: PDF format offers benefits over paper manuals, including easy searching, zooming, and the ability to print only the pages needed. 📖 Manual Coverage Systems Covered Systems Covered: Engine mechanical (including cylinder head, piston, crankshaft, timing), fuel injection system (throttle body, injectors, sensors), ignition system, exhaust system, cooling system, lubrication system, gearbox (clutch, shifting mechanism, internal components), final drive, braking system (hydraulic lines, calipers, master cylinders, ABS if applicable), suspension (forks, rear shock absorber), steering system, wheels and tires, electrical system (wiring diagrams, battery, starter, alternator, lighting, instrumentation), chassis and frame, body panels, fasteners. Electrical System Detail: Detailed wiring diagrams for all circuits including lighting, ignition, fuel injection, starter, instruments, and sensors. Troubleshooting procedures for common electrical faults, component testing, and connector pinouts. Chassis Suspension Brakes: Detailed procedures for fork disassembly, seal replacement, oil changes, rear shock absorber inspection and service, brake pad replacement, caliper servicing, master cylinder rebuilding, and hydraulic line flushing. Procedures Included Procedures Included: Routine maintenance (oil changes, filter replacements, chain adjustment), engine removal and installation, engine component overhaul (piston, rings, valves), fuel system cleaning and testing, ignition system troubleshooting, transmission repair and rebuild, brake bleeding and component replacement, suspension fork seal replacement, shock absorber servicing, electrical component diagnosis and repair, body panel removal and installation, troubleshooting guides for common issues, torque specifications for all fasteners, diagnostic trouble codes (DTCs) and their meanings. Troubleshooting Guides: Step-by-step troubleshooting charts for diagnosing starting problems, engine misfires, electrical failures, brake issues, and suspension performance anomalies. Special Tools: Lists required special tools for specific procedures, such as flywheel pullers, seal drivers, and torque wrenches, enabling correct service. Technical Depth Technical Depth: Comprehensive. Covers everything from basic user maintenance and adjustments to complete engine and transmission rebuilds, in-depth electrical system troubleshooting, and chassis component repair. Designed for both experienced DIY mechanics and professional technicians. Diagnostic Procedures: Includes procedures for checking sensor outputs, testing actuators (e.g., fuel injectors, ignition coils), reading diagnostic trouble codes (if applicable via diagnostic tools), and performing engine compression tests. Torque Specifications: Provides critical torque values for all fasteners in engine, chassis, and suspension components, essential for safe and correct assembly. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Searchability: Fully searchable PDF allows for quick access to specific information by keywords. Print Quality Print Quality: High-resolution, searchable text and clear, legible diagrams. Optimized for digital viewing and printing. Diagram Clarity: High-resolution images...