This manual covers the 450 SX-F, 505 SX-F, and 450 SXS-F models produced between 2007 and 2011. These high-performance off-road motorcycles are designed for Motocross and Supercross racing, embodying a renowned off-road heritage. They feature powerful LC4 engines, advanced WP suspension, and robust chassis designs, making them a competitive choice for racers and enthusiasts. The models are characterized by their strong performance, durability, and focus on competition-grade engineering, reflecting a commitment to excellence in the off-road segment.
This comprehensive service repair workshop manual provides detailed information for the maintenance and repair of your motorcycle. It covers all essential systems, including the engine, transmission, clutch, fuel system, ignition system, chassis, suspension, brakes, and electrical components. The manual includes scheduled maintenance procedures, detailed repair instructions for major overhauls, troubleshooting guides, and information on special tools. With hundreds of pages of detailed photos, diagrams, and explanations, this resource is invaluable for owners, mechanics, and technicians seeking to ensure optimal performance and longevity of their 450 SX-F, 505 SX-F, or 450 SXS-F.
Model:
450 SX-F / 505 SX-F / 450 SXS-F
Model Designation Sx F:
Sport Cross-Country Factory
Model Designation Sxs F:
Sport Cross-Country Supercross Factory
Year Coverage:
2007, 2008, 2009, 2010, 2011
Engine Codes Covered:
LC4 450 (SX-F, SXS-F), LC4 505 (SX-F)
Segment:
High-performance Motocross/Supercross Off-Road Motorcycles
Target Audience:
Motocross Racers, Enthusiasts, Professional Mechanics, DIY Technicians
Competitors:
Yamaha YZ450F, Honda CRF450R, Suzuki RM-Z450, Kawasaki KX450F
Manual Value:
Comprehensive, detailed, professional-grade information for maintenance and repair
Visual Aid Quality:
Hundreds of pages with detailed photos and diagrams, including exploded views
Accessibility:
Instant download, cross-platform compatibility, lifetime access
Scope:
Complete Factory Service Repair Workshop Manual
Primary Market:
North America, Europe
Estimated Pages:
Hundreds
Type:
Service Repair Workshop Manual
Availability:
Instant Download
Powertrain:
Engine, Transmission, Clutch, Fuel System, Ignition System
Chassis:
Frame, Suspension (Front & Rear), Steering, Brakes, Wheels, Tires
Electrical:
Wiring Diagrams, Lighting, Battery, Ignition Control, Sensors
Bodywork:
Fairings, Seat, Fuel Tank, Handlebars
Maintenance:
Scheduled Maintenance, Fluid Changes, Filter Replacements, Lubrication
Repair:
Engine Rebuilds, Transmission Overhaul, Suspension Servicing, Brake Bleeding, Electrical Component Replacement
Troubleshooting:
Diagnostic Flowcharts, Fault Finding Procedures, Component Testing
Special Tools:
Identification and Usage of KTM Specific Tools
Depth:
Comprehensive, from basic checks to complete engine and chassis overhauls
Diagnostic Capability:
Advanced diagnostic procedures and component testing
Compatibility:
Windows & MAC Computers
Searchability:
Likely searchable PDF text content
Print Ability:
Print single page or entire manual
Print Resolution:
High-resolution for clear diagrams and photos
Binding:
N/A (Digital PDF)
Usage Rights:
Unlimited use on multiple devices, lifetime access
Engine Type 450:
Single-cylinder, 4-stroke, LC4 engine
Engine Type 505:
Single-cylinder, 4-stroke, LC4 engine
Bore X Stroke 450:
Approx. 97 mm x 60.8 mm (Specifics vary slightly by year, consult manual)
Bore X Stroke 505:
Approx. 102 mm x 60.8 mm (Specifics vary slightly by year, consult manual)
Displacement 450:
Approx. 449.3 cc (Specifics vary slightly by year, consult manual)
Displacement 505:
Approx. 503.6 cc (Specifics vary slightly by year, consult manual)
Cooling System:
Liquid-cooled
Horsepower 450:
Approx. 50-55 HP (Varies by year and tuning, consult manual for exact figures)
Horsepower 505:
Approx. 55-60 HP (Varies by year and tuning, consult manual for exact figures)
Torque:
Significant torque figures appropriate for its class, consult manual for specific Nm values.
Fuel Delivery:
Carbureted (Keihin FCR MX) for most models in this range, potential EFI on later models
Carburetor Model:
Keihin FCR 41 MX (typical)
Recommended Fuel:
Unleaded gasoline with Octane rating of 95 RON (or equivalent 91 AKI)
Oil Capacity With Filter:
Approx. 1.1 Liters (0.75 L for engine, 0.35 L for gearbox/clutch - consult manual for exact quantity and procedure)
Oil Type:
High-performance 4-stroke motorcycle oil, JASO MA/MA2 certified, SAE 10W-40 or 15W-50 (consult manual for specific viscosity and OEM recommendations)
Transmission Type:
Constant mesh, 5-speed
Optional Gear Ratios:
Not applicable, standard gear ratios for motocross applications
Clutch Type:
Hydraulically operated, multi-disc wet clutch (APT-C System on some models)
Gearbox Oil Capacity:
Separate oil for gearbox/clutch, typically 0.35 Liters (integrated with engine oil in some wet-sump designs, verify with manual)
Oil Specification:
Same as engine oil (high-performance 4-stroke motorcycle oil, JASO MA/MA2 certified, SAE 10W-40 or 15W-50 - consult manual)
Seat Height:
Approx. 970-985 mm (Varies by year and suspension setup, consult manual)
Ground Clearance:
Approx. 350-370 mm (Varies by year and suspension setup, consult manual)
Dry Weight 450:
Approx. 108-110 kg (Varies by year and specifications, consult manual)
Dry Weight 505:
Approx. 110-112 kg (Varies by year and specifications, consult manual)
Wet Weight:
Approx. 117-120 kg (with fluids, consult manual)
Fuel Tank Capacity:
Approx. 7.0 - 8.0 Liters (Varies by year, consult manual)
Safety Standards:
Designed to meet off-road competition safety standards and regulations; not street legal
Braking System:
Hydraulic disc brakes front and rear (Brembo calipers typical)
Brake Rotor Diameter Front:
Approx. 260 mm
Brake Rotor Diameter Rear:
Approx. 220 mm
Frame Construction:
Chromium-molybdenum steel trellis frame for rigidity and impact absorption
Infotainment System:
N/A (Performance motocross bike, no infotainment system)
Driver Assistance Features:
N/A (Performance motocross bike, no electronic driver assistance systems like ABS or traction control)
Connectivity Features:
N/A (Performance motocross bike, no connectivity features)
Oil Change Interval:
Every 15-20 operating hours or annually (consult manual for detailed recommendations based on usage)
Air Filter Cleaning:
After every few rides or more frequently in dusty conditions
Spark Plug Replacement:
Refer to manual, typically every 40-50 operating hours or as inspection dictates
Brake Fluid:
DOT 4 synthetic brake fluid (for Brembo systems)
Coolant:
Proprietary KTM coolant or equivalent high-quality ethylene glycol based coolant with anti-corrosion additives
Fork Oil Type:
Specific WP fork oil (e.g., WP Suspension Fluid 0W or 5W), consult manual for exact type and quantity
Common Wear Items:
Clutch plates, piston rings, valve guides, wheel bearings, linkage bearings
Potential Trouble Spots:
Carburetor jetting (requires tuning for altitude/temperature), chain and sprockets wear, suspension seals
Maintenance Importance:
Regular and meticulous maintenance is crucial for optimal performance and longevity of these high-strung racing machines.
Brand Focus:
KTM is renowned for its off-road racing heritage, particularly in Motocross, Enduro, and Rally Raid
Generation Characteristics:
These models represent a significant evolution in KTM's motocross lineup, featuring strong engines, advanced chassis designs, and competitive performance for their era.
Technical Advancements:
Key advancements include powerful LC4 engines, WP suspension components, and strong braking systems, making them a dominant force in racing.
Manufacturing Location:
Austria (KTM AG)
Racing Success:
KTM models of this era have a strong track record in professional motocross and supercross championships, earning numerous victories and accolades.
Industry Reputation:
KTM is highly regarded for producing powerful, durable, and competitive off-road motorcycles
