Category:
Motocross Competition Motorcycle
Target Segment:
Entry-level to intermediate motocross riders, focusing on a balance of performance and manageability.
Key Competitors:
Yamaha YZ125, Honda CR125R (historical comparison as engine size is slightly different), Husqvarna TC125, GasGas MC125.
Engine Type:
Lightweight, high-revving 2-stroke engine, known for its tractable power delivery.
Chassis Design:
Aggressive and agile chassis, optimized for motocross track performance.
Suspension Quality:
Typically features WP (White Power) suspension components, renowned for their quality and adjustability.
Braking Performance:
Utilizes high-performance Brembo braking components.
Ergonomics:
Designed for optimal rider control and comfort during intense racing conditions.
Engine Mechanical:
Complete engine disassembly, assembly, inspection, and overhaul procedures for the 2-stroke engine.
Fuel System:
Carburetor tuning, disassembly, cleaning, and adjustment; fuel tank, petcock, and fuel line maintenance.
Ignition System:
Ignition coil testing, stator and rotor inspection, spark plug specifications, and troubleshooting.
Cooling System:
Radiator, hoses, water pump inspection, coolant type and capacity, bleeding procedures (if liquid-cooled variant).
Exhaust System:
Exhaust pipe and silencer inspection, maintenance, and potential performance modifications.
Transmission:
Clutch operation, disassembly, adjustment, and replacement; gearbox inspection and lubrication.
Drivetrain:
Chain and sprocket inspection, adjustment, and replacement; rear hub and bearing maintenance.
Suspension Front:
Fork disassembly, seal replacement, oil level and type specifications, spring inspection, and adjustment procedures.
Suspension Rear:
Shock absorber inspection, seal replacement, oil and gas pressure specifications, linkage maintenance, and bearing inspection.
Brakes Front:
Brake caliper inspection, pad replacement, fluid type and bleeding procedures, master cylinder maintenance, and rotor specifications.
Brakes Rear:
Brake caliper inspection, pad replacement, fluid type and bleeding procedures, master cylinder maintenance, and rotor specifications.
Wheels And Tires:
Wheel bearing inspection and replacement, spoke tension adjustment, tire pressure recommendations, and wheel mounting.
Electrical System:
Wiring diagram, battery maintenance, lighting system, fuse replacement, and basic troubleshooting.
Frame And Bodywork:
Frame inspection, subframe maintenance, plastic component removal and installation, and seat maintenance.
Routine Maintenance:
Oil changes, filter replacements, chain adjustments, bolt torquing, and general inspection.
Troubleshooting Guides:
Diagnostic procedures for common starting, running, and performance issues.
Engine Rebuild:
Step-by-step instructions for complete engine disassembly and reassembly, including piston, ring, and crankshaft service.
Suspension Overhaul:
Detailed instructions for rebuilding front forks and rear shock absorbers.
Brake System Service:
Brake bleeding, pad and rotor replacement, and caliper service.
Clutch Adjustment And Replacement:
Procedures for maintaining clutch engagement and replacing clutch components.
Electrical Diagnostics:
Guidance on identifying and resolving electrical faults using wiring diagrams.
Depth:
Factory-level technical detail, suitable for comprehensive repairs and diagnostics.
Diagnostic Tools:
Mentions of specific tools and measurements required for accurate diagnosis and repair.
Torque Specifications:
Includes critical torque values for all fasteners.
Clearances And Tolerances:
Provides essential engine and component clearances for proper assembly and function.
Configuration:
Single-cylinder, 2-stroke
Displacement:
196cc (approximately, specific bore/stroke for 200 SX would need exact model year verification, but '200' indicates this range).
Bore X Stroke:
Specific values depend on model year, but typical for this class is around 64mm x 62.1mm.
Cooling System:
Liquid-cooled (standard for modern SX models)
Induction:
Reed valve induction
Ignition:
Digital CDI (Capacitive Discharge Ignition)
Horsepower:
Approx. 35-40 HP (estimated, exact figures vary by year and tuning).
Torque:
Specific torque figures are often not as emphasized as peak horsepower in this class, but significant mid-range power is expected.
Carburetor Type:
Keihin PWK (typically 38mm or similar).
Fuel Type:
Unleaded gasoline, 95-98 RON (research octane number recommended).
Oil Mixture:
Pre-mix 2-stroke engine oil, typically a 50:1 or 60:1 ratio with gasoline (refer to manual for exact ratio).
Oil Change:
Engine oil/transmission oil change every 15-20 operating hours (or as specified in the manual).
Air Filter Cleaning:
Clean air filter after every few rides or as conditions dictate (critical for 2-strokes).
Chain Lubrication And Adjustment:
Lubricate chain every 5-10 operating hours; adjust tension as needed.
Spark Plug Replacement:
Inspect spark plug regularly; replacement interval depends on usage and plug type (e.g., every 20-30 hours).
Top End Rebuild:
Piston and ring inspection/replacement typically every 50-100 operating hours, depending on riding style and maintenance.
Engine Oil:
High-quality 2-stroke pre-mix oil (e.g., Motorex Cross Power 2T, Bel-Ray Si-7).
Transmission Oil:
KTM recommends specific gear oils like Motorex Gear Oil 10W/40 or 15W/50 (refer to manual for exact spec).
Coolant:
Ethylene glycol-based coolant with corrosion inhibitors (e.g., Motorex Coolant M3.0).
Brake Fluid:
DOT 4 or DOT 5.1 brake fluid (verify specific requirement for Brembo systems).
2 Stroke Maintenance:
2-stroke engines require diligent maintenance, including correct fuel/oil mixture and regular top-end service, to prevent premature wear.
Clutch Wear:
Clutch plates can wear faster under aggressive riding; proper adjustment and timely replacement are crucial.
Suspension Seals:
Fork and shock seals can be prone to wear and leaks, especially in dusty off-road environments.
Origin:
KTM AG, an Austrian manufacturer renowned for its off-road motorcycles.
Sx Lineage:
The SX (Motocross) line represents KTM's core competition dirt bike offerings, with models evolving to incorporate advancements in engine technology, suspension, and chassis design.
200Cc Class:
KTM has a history of producing successful 2-stroke models in various displacements, including the 125cc and 250cc classes, with the 200cc offering a niche for riders seeking more torque than a 125 but less aggressive power than a 250.
Manufacturing Location:
Primary manufacturing typically in Austria, with potential for global production sites.
