Model:
        
        
            250 SX, 400 SX, 450 SX, 520 SX, 525 SX, 250 MXC, 400 MXC, 450 MXC, 525 MXC, 250 EXC, 400 EXC, 450 EXC, 525 EXC
        
     
    
        
            Product Name:
        
        
            KTM 250 400 450 520 525 SX MXC EXC 2000-2003 All Service Repair Manual Download
        
     
    
    
        
            Model Years Covered:
        
        
            2000, 2001, 2002, 2003
        
     
 
    
    
    
        
            Target Audience:
        
        
            KTM motorcycle owners, DIY enthusiasts, independent repair shops.
        
     
    
    
        
            Value Proposition:
        
        
            Empowers owners to perform repairs and maintenance themselves, saving money and ensuring quality.
        
     
    
    
        
            Accessibility:
        
        
            Instant download for immediate access to repair information.
        
     
    
        
            Comprehensiveness:
        
        
            Covers a wide range of models and all essential repair and maintenance aspects.
        
     
 
    
    
    
        
            Primary Coverage:
        
        
            Comprehensive service and repair for KTM SX, MXC, and EXC models
        
     
    
    
        
            Estimated Page Count:
        
        
            Varies by specific model and engine variant, typically between 300-600 pages for a complete set.
        
     
    
    
        
            Type:
        
        
            Service Repair Manual, Workshop Manual, Troubleshooting Guide
        
     
    
    
    
    
        
            Format:
        
        
            Digital Download (PDF)
        
     
 
    
    
    
        
            Engine Service Repair:
        
        
            Complete disassembly, assembly, tuning, and overhaul of all engine variants.
        
     
    
        
            Transmission Service Repair:
        
        
            Detailed procedures for clutch, gearbox, and final drive maintenance and repair.
        
     
    
        
            Brake System:
        
        
            Service and repair of hydraulic brake systems, including caliper, master cylinder, and fluid maintenance.
        
     
    
        
            Wiring Diagram:
        
        
            Comprehensive electrical wiring diagrams for all electrical components and systems.
        
     
    
        
            Electrical System:
        
        
            Troubleshooting and repair of ignition, lighting, charging, and other electrical circuits.
        
     
    
        
            Suspension:
        
        
            Fork and shock absorber service, tuning, and adjustments for front and rear suspension.
        
     
    
        
            Steering:
        
        
            Maintenance and repair of the steering head bearings and linkage.
        
     
    
        
            Cooling System:
        
        
            Service and maintenance of the liquid cooling system, including radiators and water pump.
        
     
    
        
            Fuel System:
        
        
            Maintenance and repair of carburetors (relevant models) and fuel delivery systems.
        
     
    
        
            Chassis Body:
        
        
            Frame inspection, bodywork repair, seat, and fuel tank servicing.
        
     
    
        
            Wheels And Tires:
        
        
            Information on wheel bearing service, spoke tensioning, and tire pressure recommendations.
        
     
    
    
        
            General Maintenance:
        
        
            Routine checks, cleaning, lubrication, and adjustments.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for common and uncommon issues, with symptom-based solutions.
        
     
    
        
            Periodic Lubrication:
        
        
            Detailed lubrication schedules and specifications for all moving parts.
        
     
    
        
            Restraint System:
        
        
            Not applicable for the primary models covered, as these are off-road motorcycles without traditional restraint systems.
        
     
    
        
            Engine Rebuild:
        
        
            Step-by-step instructions for complete engine teardown and rebuild, including torque specifications.
        
     
    
        
            Carburetor Tuning:
        
        
            Detailed guidance on adjusting and rebuilding carburetors for optimal performance.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering basic maintenance to complete engine and chassis overhauls.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Four-stroke, single-cylinder (details vary by specific model: 250cc, 400cc, 450cc, 520cc, 525cc).
        
     
    
    
        
            Ignition:
        
        
            Electronic ignition system (details vary by model).
        
     
    
    
        
            Horsepower:
        
        
            Varies by displacement, generally in the range of 30-60 HP (approximate).
        
     
    
        
            Torque:
        
        
            Varies by displacement, generally in the range of 25-50 lb-ft (approximate).
        
     
    
    
        
            Fuel Delivery:
        
        
            Carburetor (e.g., Keihin FCR for most models in this era).
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline (Octane rating specified in manual).
        
     
 
    
    
    
        
            Oil Change:
        
        
            Refer to manual for specific intervals based on usage (e.g., every 10-20 operating hours for hard use).
        
     
    
        
            Air Filter Cleaning:
        
        
            Recommended after every few rides or as needed based on dusty conditions.
        
     
    
    
        
            Engine Oil Type:
        
        
            Refer to manual for specific viscosity and API rating (e.g., Motorex SAE 10W-40 or similar).
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol-based coolant with corrosion inhibitors, mixed with distilled water (typically 50/50).
        
     
    
        
            Brake Fluid:
        
        
            DOT 4 hydraulic brake fluid.
        
     
    
    
        
            Common Wear Items:
        
        
            Clutch plates, brake pads, chain and sprockets, wheel bearings, piston rings, valve guides (depending on mileage and usage).
        
     
    
        
            Potential Problems:
        
        
            Carburetor jetting issues, cooling system leaks, electrical connector corrosion (typical for off-road use).
        
     
 
    
    
    
        
            Ktm Legacy:
        
        
            KTM AG is an Austrian motorcycle manufacturer known for its off-road racing heritage and performance-oriented motorcycles.
        
     
    
    
        
            Sx Mxc Exc Lineage:
        
        
            The SX (Motocross), MXC (Cross Country), and EXC (Enduro) lines represent KTM's successful range of off-road motorcycles, continually updated with performance and technology.
        
     
    
    
        
            Manufacturing Location:
        
        
            Austria (primary manufacturing for KTM).
        
     
 
    
    
    
        
            Racing Success:
        
        
            KTM motorcycles, particularly the SX and EXC lines, have a strong track record of success in professional motocross, supercross, and enduro racing, indicating inherent design and performance excellence.
        
     
    
    
        
            Industry Reputation:
        
        
            KTM is consistently rated highly by riders and industry experts for its powerful engines, advanced chassis design, and durability in demanding off-road conditions.