Segment:
        
        
            Performance Motocross / Off-Road Competition
        
     
    
    
        
            Competitors:
        
        
            Yamaha YZ250, Honda CR250R, Suzuki RM250, Kawasaki KX250 (during the specified model years).
        
     
    
    
        
            Vehicle Strengths:
        
        
            Lightweight chassis, potent 2-stroke power delivery, strong suspension performance (WP), agile handling characteristics. The SXS variants were often factory-prepped race editions.
        
     
    
    
        
            Target Audience:
        
        
            Enthusiast owners, home mechanics, and professional technicians working on KTM 200 SX, SXS, and EXC models from 1999 to 2006.
        
     
    
        
            Benefits:
        
        
            Provides essential information for maintaining peak performance, diagnosing issues, and executing repairs, saving time and money compared to relying solely on dealer services.
        
     
 
    
    
    
        
            Engine Coverage:
        
        
            2-stroke engine overhaul, top-end and bottom-end rebuild, carburetor tuning, ignition system, cooling system (if applicable to specific variants).
        
     
    
        
            Transmission Coverage:
        
        
            Clutch service, gearbox inspection and repair, shift mechanism, gear ratios.
        
     
    
        
            Chassis Coverage:
        
        
            Frame inspection, suspension (forks, rear shock), swingarm, linkage, steering head bearings, wheel bearings, brake system overhaul, cooling system maintenance.
        
     
    
        
            Electrical Coverage:
        
        
            Wiring diagrams, lighting system, ignition system, battery maintenance, troubleshooting electrical faults.
        
     
    
    
    
    
        
            Type:
        
        
            Workshop Service Manual
        
     
    
    
    
    
 
    
    
    
        
            Engine Management:
        
        
            Comprehensive coverage of the 2-stroke engine, including carburetor settings (e.g., Keihin PWK), jetting recommendations, reed valve maintenance, cylinder and piston inspection, crankshaft bearing replacement, and exhaust system tuning.
        
     
    
        
            Suspension And Handling:
        
        
            Detailed procedures for KTM's renowned WP Suspension components, including fork seal replacement, oil changes, spring rate identification, rear shock absorber servicing, linkage maintenance, and steering head bearing adjustment.
        
     
    
        
            Braking System:
        
        
            Service procedures for hydraulic disc brakes (front and rear), including caliper overhaul, master cylinder service, brake fluid replacement (DOT 4 typically), pad inspection and replacement, and bleeding procedures.
        
     
    
        
            Cooling System:
        
        
            Maintenance and servicing of the liquid cooling system, including radiator care, hose inspection and replacement, water pump seal inspection, and coolant type recommendations.
        
     
    
        
            Fuel And Ignition:
        
        
            Carburetor disassembly, cleaning, and reassembly; ignition coil testing, spark plug selection and gap settings, CDI unit troubleshooting.
        
     
    
    
        
            Routine Maintenance:
        
        
            Chain cleaning and lubrication, air filter cleaning and oiling, spark plug replacement, general inspection checklists.
        
     
    
        
            Engine Rebuild:
        
        
            Complete top-end rebuilds (piston, rings, cylinder), bottom-end rebuilds (crankshaft, bearings, seals), cylinder head service, and porting information for performance enhancement.
        
     
    
        
            Transmission Overhaul:
        
        
            Gearbox disassembly, inspection of gears and shift forks, clutch plate replacement, pressure plate adjustments, and lubrication.
        
     
    
        
            Suspension Servicing:
        
        
            Fork leg disassembly, oil viscosity and level specifications, seal installation, shock absorber charging and valving adjustments (where applicable).
        
     
    
        
            Troubleshooting Guides:
        
        
            Diagnostic charts for common engine performance issues, electrical faults, starting problems, and suspension malfunctions, with step-by-step diagnostic procedures.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering all aspects from basic maintenance and adjustments to complete engine, transmission, and suspension overhauls. Includes detailed torque specifications, clearances, and diagnostic procedures.
        
     
 
    
    
    
        
            Type:
        
        
            2-stroke, single-cylinder
        
     
    
        
            Displacement:
        
        
            Approx. 193 cc (exact may vary slightly by year/model designation)
        
     
    
        
            Bore X Stroke:
        
        
            Typically around 62.5 mm x 65 mm
        
     
    
        
            Cooling System:
        
        
            Liquid-cooled
        
     
    
        
            Fuel Delivery:
        
        
            Carburetor (commonly Keihin PWK 36 or similar)
        
     
    
    
        
            Horsepower Estimate:
        
        
            Estimated 35-40+ HP depending on tune and specific model variant (SX vs. SXS).
        
     
    
        
            Torque Estimate:
        
        
            Torque figures not typically emphasized in marketing for this class, but focused on broad powerband.
        
     
    
    
        
            Recommended Fuel:
        
        
            Unleaded gasoline with a minimum octane rating of 95 (RON+MON)/2 or higher.  Premix with high-quality 2-stroke oil.
        
     
    
        
            Air Filter:
        
        
            High-flow, washable foam air filter. Requires regular cleaning and oiling.
        
     
    
    
        
            Piston Type:
        
        
            Typically a single-ring, performance-oriented piston.
        
     
 
    
    
    
        
            Type:
        
        
            6-speed manual transmission
        
     
    
        
            Clutch:
        
        
            Hydraulically actuated, multi-plate wet clutch
        
     
    
    
        
            Gear Ratios:
        
        
            Specific gear ratios are detailed in the manual for each model year and potentially variant.
        
     
    
        
            Lubricant:
        
        
            Manual will specify KTM's recommended gearbox oil or equivalent SAE 10W/50 or 15W-50 transmission oil.
        
     
 
    
    
    
        
            Wheelbase:
        
        
            Varies slightly by year, generally around 1440-1470 mm.
        
     
    
    
        
            Dry Weight:
        
        
            Around 95-100 kg, depending on specific model and equipment.
        
     
    
        
            Fuel Tank Capacity:
        
        
            Typically 7-9 liters.
        
     
    
    
        
            Front Travel:
        
        
            Approximately 280-300 mm (WP USD forks).
        
     
    
        
            Rear Travel:
        
        
            Approximately 300-330 mm (WP PDS or linkage-driven mono-shock).
        
     
 
    
    
    
        
            Oil Change Transmission:
        
        
            Refer to manual for specific hours/conditions, but typically after intensive use or at regular intervals (e.g., every 10-20 engine hours).
        
     
    
        
            Air Filter Cleaning:
        
        
            Frequent cleaning recommended, especially in dusty conditions (after every few rides).
        
     
    
        
            Top End Rebuild:
        
        
            Highly dependent on usage. Can range from 40-100+ engine hours for piston/rings, and significantly more for cylinder/crankshaft bearings.
        
     
    
    
        
            Coolant:
        
        
            High-quality, anti-freeze coolant suitable for aluminum engines. Typically a 50/50 mix with distilled water.
        
     
    
        
            Brake Fluid:
        
        
            DOT 4 hydraulic brake fluid.
        
     
    
    
        
            Common Wear Items:
        
        
            Clutch plates, piston rings, top-end components, wheel bearings, steering head bearings, suspension seals are common wear items in high-performance off-road use.
        
     
    
        
            Jetting Sensitivity:
        
        
            2-stroke engines of this era can be sensitive to jetting changes based on altitude, temperature, and humidity. Proper tuning is crucial for optimal performance and engine longevity.
        
     
 
    
    
    
        
            Ktm Offroad Legacy:
        
        
            KTM has a long and successful history in off-road racing, known for building competitive and robust machinery. This era represented a significant period of growth and dominance in motocross and enduro.
        
     
    
    
        
            200 Sx Development:
        
        
            The 200 SX model was developed to offer a blend of the agility of a 125cc class bike with more tractable power, bridging the gap between the 125 and 250 classes. SXS models were often factory-tuned for enhanced racing performance.
        
     
    
    
        
            Manufacturing Location:
        
        
            Austria (KTM headquarters and primary manufacturing)