This manual covers the 450 EXC SIX DAYS models produced between 2008 and 2011. As a high-performance enduro motorcycle, the 450 EXC SIX DAYS is engineered for extreme off-road conditions and competitive riding, featuring a powerful 4-stroke engine, robust chassis, and advanced WP suspension. The 'SIX DAYS' designation highlights its special edition status, often including factory upgrades for international enduro events. Its lightweight construction and purpose-built design make it a formidable machine for off-road enthusiasts and competitive enduro riders, building upon a renowned legacy in off-road racing. This comprehensive workshop service manual provides detailed information essential for the maintenance, servicing, repair, and troubleshooting of your 450 EXC SIX DAYS. It covers all major systems, including the engine, fuel system, ignition, transmission, chassis, suspension, brakes, and electrical system. Within its pages, you will find step-by-step repair instructions, diagnostic procedures, adjustment guidelines, and precise technical specifications, including torque values and fluid requirements. This manual is designed to assist both experienced technicians and knowledgeable owners in keeping their motorcycle in optimal condition. 🏷️ Basic Information Identification Make: KTM Model: 450 EXC SIX DAYS Model Variant: SIX DAYS Model Years Covered: 2008, 2009, 2010, 2011 Codes Vehicle Platform Code: XC-W Series (internal) 👋 Introduction Market Position Segment: High-Performance Enduro Motorcycle Target Audience: Competitive Enduro Riders, Off-Road Enthusiasts Competitive Analysis Key Competitors: Husqvarna TE450, Yamaha WR450F, Honda CRF450X, Suzuki RMX450Z, Kawasaki KLX450R Key Features Vehicle Highlights: Powerful 4-stroke engine, robust chassis, advanced WP suspension, lightweight construction, purpose-built for extreme off-road conditions, 'SIX DAYS' designation signifies special edition models often equipped with factory upgrades for international enduro competitions. 📋 Manual Details Coverage Areas Primary Focus: Repair, Maintenance, Servicing, Troubleshooting Scope: Comprehensive Workshop Service Manual Page Count Estimated Pages: 300+ Manual Type Type: Service Manual / Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, assembly, disassembly, specifications, tuning, cooling system, lubrication system Fuel System: Carburetor (Keihin FCR 41), fuel pump, fuel tank, fuel lines, fuel filter Ignition System: Ignition coil, spark plug, CDI unit, timing Transmission: Clutch (hydraulic), gearbox, gear shift mechanism, lubrication Chassis And Frame: Frame, subframe, steering system, suspension (front and rear), linkages Suspension Front: WP USD forks, internal components, damping adjustments, seals, oil specifications Suspension Rear: WP PDS shock absorber, linkage system, adjustments, rebuild procedures Brakes: Front and rear brake systems (disc brakes), hydraulic lines, calipers, master cylinders, fluid replacement, bleeding procedures Electrical System: Wiring diagrams, lighting system, battery, starter motor, charging system, fuses, relays Cooling System: Radiator, coolant, hoses, fan operation Exhaust System: Exhaust headers, muffler, packing replacement Wheels And Tires: Wheel bearings, spoke tension, tire pressure, rim maintenance Bodywork And Plastics: Fairings, seat, fenders, graphics Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, valve clearance checks, chain adjustment, spark plug replacement, brake fluid replacement Troubleshooting: Diagnostic procedures for common problems, fault finding charts Repair: Step-by-step repair instructions for all major components and systems Rebuilds: Complete engine and transmission rebuild procedures Adjustments: Carburetor tuning, suspension adjustments, clutch and brake lever adjustments Specifications: Torque specifications, clearances, fluid capacities, electrical resistance values Technical Depth Level: Professional Workshop Level (suitable for experienced technicians and knowledgeable DIY enthusiasts) Detail Level: In-depth, component-level detail with diagrams and illustrations 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Print Quality Reproducibility: High-resolution scans, suitable for printing Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) Searchability Text Search: Likely text-searchable (depending on PDF creation) ⚙️ Engine Specifications Primary Engine Type: 4-Stroke Single-Cylinder, SOHC, Liquid-Cooled Displacement: 449.3 cc Bore X Stroke: 97.0 mm x 60.8 mm Compression Ratio: 11.5:1 (Approximate) Performance Horsepower: Approximately 50-55 HP (dependent on tuning and specific year) Torque: Not officially specified, but robust low-to-mid-range torque Fuel System Carburetor: Keihin FCR 41 MX with accelerator pump Fuel Type: Unleaded Premium Gasoline (95 RON or higher recommended) Lubrication System: Integrated oil tank with separate oil circuit for engine and gearbox. Cooling System Type: Liquid Cooling (Engine Coolant) 🔧 Transmission Standard Type: 6-Speed Constant Mesh Optional Optional Gearbox: N/A Features Clutch: Hydraulically Actuated Wet Multi-Plate Clutch (Brembo hydraulic system) Final Drive: Chain Drive (520 O-ring chain) 📐 Dimensions Exterior Wheelbase: 1500 mm +/- 10 mm (Approx. 59.1 inches) Seat Height: 950 mm (Approx. 37.4 inches) Weights Dry Weight: 113 kg (Approx. 249 lbs) Gross Weight Limit: Not specified, typically around 350 kg for off-road use. Fuel Tank Capacity: 9.0 Liters (Approx. 2.38 US Gallons) 🛡️ Safety Features Ratings Crash Test Ratings: Not applicable to off-road motorcycles. Active Features Braking System: Hydraulic Disc Brakes (Front and Rear) with Wave Discs Throttle Control: Standard twist throttle with safety cable attachment point. Passive Features Handguards: Standard on SIX DAYS models for hand protection. Skid Plate: Often included or available as an accessory for engine protection. 💡 Technology Features Infotainment System: Basic analog/digital dashboard displaying speed,...