This manual covers the 2007 450 SX-F, 505 SX-F, and 450 SXS-F models, high-performance motocross and off-road competition motorcycles renowned for their Austrian engineering and racing prowess. These models, built upon a strong heritage in off-road racing, represent a pinnacle of motocross technology for their era, featuring powerful single-cylinder, liquid-cooled engines with DOHC configurations and advanced suspension systems. Their design prioritizes raw performance and rider control, making them favored choices for competitive riders in demanding off-road environments. This comprehensive Workshop Service Repair Manual provides in-depth technical information essential for the maintenance, diagnosis, and repair of these specialized motorcycles. It details procedures for engine, powertrain, electrical systems, and chassis components, including periodic maintenance schedules, fluid specifications, and troubleshooting guidance for common issues. The manual is designed to assist owners, professional mechanics, and technicians in ensuring optimal performance and longevity of their 450 SX-F, 505 SX-F, and 450 SXS-F models. 🏷️ Basic Information Identification Make: KTM Model: 450 SX-F / 505 SX-F / 450 SXS-F Year: 2007 Codes Platform Code: LC4 (450 SX-F/SXS-F), LC8 (505 SX-F - typically based on LC8 architecture with modifications) 👋 Introduction Market Position Segment: High-performance Motocross/Off-road competition motorcycles. Key Features Target Audience: KTM owners, professional mechanics, and advanced amateur racers requiring detailed service information. Competitive Analysis Relevance: Essential resource for maintaining and repairing the 2007 KTM 450/505 SX-F and 450 SXS-F, which were key models in the competitive motocross market. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive mechanical and electrical repair, maintenance, and troubleshooting for the specified KTM models. Page Count Estimated Page Count: 250-400 (typical for a full workshop manual) Manual Type Type: Workshop Service Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine disassembly, assembly, servicing of individual components, fuel system, lubrication system, cooling system. Electrical: Ignition system, lighting, starting system, charging system, wiring diagrams, troubleshooting electrical faults. Chassis: Frame, suspension (forks, shock absorber), brakes, wheels, tires, steering, controls. Procedures Included Maintenance: Periodic maintenance schedule, fluid changes, filter replacements, chain adjustment, valve clearance checks. Repair: Engine rebuilds, transmission overhauls, suspension service, brake caliper rebuilds, electrical component replacement. Troubleshooting: Diagnostic procedures for common performance issues, starting problems, electrical faults, and component failures. Technical Depth Depth: In-depth technical information covering complete teardowns, overhauls, and component-level diagnostics and repairs. Suitable for experienced mechanics and dedicated DIY enthusiasts. 📊 Manual Specifications File Format Print Quality: High quality, all pages printable. Searchability: Likely text-searchable PDF, enhancing ease of navigation. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Delivery Delivery Method: Instant Download Compatibility Operating Systems: Compatible with all versions of Windows, Mac, and Linux. ⚙️ Engine Specifications Primary Engine Engine Type 450: Single-cylinder, 4-stroke, Liquid-cooled, DOHC Engine Displacement 450: Approximately 450cc Engine Type 505: Single-cylinder, 4-stroke, Liquid-cooled, DOHC Engine Displacement 505: Approximately 505cc (often referred to as 525 SX-F or similar, depending on exact designation) Performance Bore X Stroke 450 Approx: e.g., 95 mm x 63.4 mm (subject to exact variant) Bore X Stroke 505 Approx: e.g., 97 mm x 70.5 mm (subject to exact variant) Compression Ratio Approx: e.g., 11.5:1 to 12.5:1 (varies by model/variant) Fuel System Fuel Delivery: Keihin FCR MX Carburetor (specific model like FCR41 or FCR40 likely) Fuel Type: Unleaded gasoline (min. 95 octane recommended) Engine Components Valve Actuation: Dual Overhead Camshafts (DOHC) with finger followers or similar. Ignition: Digital CDI (Capacitor Discharge Ignition) with variable ignition timing. 🔧 Transmission Standard Transmission Type: 5-speed manual gearbox Features Clutch: Hydraulically operated, multi-plate wet clutch. Fluid Specifications Transmission Oil Type: Specific gearbox oil or motor oil meeting KTM specifications (e.g., SAE 10W/40 or 15W/50). 📐 Dimensions Weights Dry Weight Approx: 105-110 kg (231-243 lbs) - varies slightly by model. Seat Height Approx: 960-970 mm (37.8-38.2 inches) Ground Clearance Approx: 350-370 mm (13.8-14.6 inches) 🛡️ Safety Features Active Features Braking System Front: Hydraulic disc brake with Brembo caliper and wavy rotor. Braking System Rear: Hydraulic disc brake with Brembo caliper and wavy rotor. Suspension Front: Upside-down telescopic fork (e.g., WP USD 5255 or similar). Suspension Rear: Monoshock (WP factory linkage system). 💡 Technology Features Infotainment Infotainment System: N/A - This is a competition motocross bike, not equipped with infotainment features. Driver Assistance Electronic Aids: Minimal. Focus is on mechanical performance. No ABS or traction control. Connectivity Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Recommended every 10-15 hours of operation or annually, whichever comes first (refer to manual for precise intervals). Air Filter Cleaning: Frequent cleaning recommended, especially in dusty conditions (e.g., every 5-10 hours). Valve Clearance Check: Typically every 20-30 hours of operation (critical for engine performance). Fluid Specifications Coolant Type: Ethylene glycol-based coolant with anti-corrosion additives (e.g., Motorex M3.0 or equivalent). Fork Oil Type Approx: Specific suspension fluid (e.g., WP Suspension Fluid 4.5 or 5 W). Known Issues Common Wear Items: Clutch...