Segment:
        
        
            Lightweight naked sport motorcycles, entry-level performance segment.
        
     
    
        
            Target Audience:
        
        
            New riders, urban commuters, and those seeking agile, fun, and economical performance.
        
     
    
    
        
            Key Competitors:
        
        
            Yamaha MT-03, Kawasaki Z250/Z300 (depending on market), Suzuki GSX250R.
        
     
    
    
        
            Brand Philosophy:
        
        
            KTM's 'Ready to Race' philosophy translates to a sporty chassis and potent engine for its class.
        
     
    
        
            Design:
        
        
            Aggressive styling, trellis frame, and premium componentry (e.g., ByBre brakes, WP suspension) for its segment.
        
     
 
    
    
    
        
            Engine:
        
        
            Complete engine disassembly, assembly, troubleshooting, and overhaul procedures for single-cylinder, liquid-cooled engines.
        
     
    
        
            Fuel System:
        
        
            Detailed diagnostics and repair for the fuel injection system (Bosch EFI), throttle body, fuel pump, and fuel filter.
        
     
    
        
            Transmission:
        
        
            Coverage of the 6-speed constant mesh gearbox, clutch operation, maintenance, and common issues.
        
     
    
        
            Electrical System:
        
        
            Comprehensive wiring diagrams, troubleshooting guides for ignition, lighting, starter system, battery, and ECU.
        
     
    
        
            Chassis:
        
        
            Suspension (WP USD front forks, WP monoshock rear), steering, frame, and swingarm inspection and service.
        
     
    
        
            Brakes:
        
        
            Front and rear brake system service, including hydraulic lines, calipers (ByBre), discs, and bleeding procedures.
        
     
    
        
            Cooling System:
        
        
            Radiator, fan, thermostat, and coolant flow diagnostics and maintenance.
        
     
    
        
            Exhaust System:
        
        
            Service and inspection of the exhaust headers and silencer assembly.
        
     
    
        
            Bodywork:
        
        
            Panel removal, installation, and basic bodywork repair guidance.
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements, chain adjustment, tire pressure checks, spark plug replacement, and brake fluid checks.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic charts and procedures for common starting issues, engine performance problems, electrical faults, and braking anomalies.
        
     
    
        
            Engine Rebuild:
        
        
            Complete step-by-step instructions for engine disassembly, component inspection (piston, rings, cylinder, valves), reassembly, and torque specifications.
        
     
    
        
            Suspension Service:
        
        
            Fork seal replacement, oil changes, and shock absorber servicing.
        
     
    
        
            Brake System Repair:
        
        
            Bleeding brakes, caliper service, and pad replacement.
        
     
    
        
            Electrical Diagnostics:
        
        
            Wiring harness inspection, sensor testing, and fault code interpretation.
        
     
    
    
        
            Depth Level:
        
        
            Comprehensive; covers everything from basic owner maintenance to complete engine and chassis overhauls.
        
     
    
        
            Diagnostics:
        
        
            Advanced diagnostic procedures for fuel injection and ignition systems.
        
     
    
        
            Component Specs:
        
        
            Detailed specifications for all major components, including tolerances and wear limits.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Single-cylinder, 4-stroke, liquid-cooled, DOHC, 4 valves
        
     
    
        
            Displacement 125:
        
        
            124.7 cm³ (7.6 cu in)
        
     
    
        
            Displacement 200:
        
        
            199.5 cm³ (12.2 cu in)
        
     
    
        
            Bore X Stroke 125:
        
        
            54 mm x 54.5 mm (2.13 x 2.15 in)
        
     
    
        
            Bore X Stroke 200:
        
        
            72 mm x 49 mm (2.83 x 1.93 in)
        
     
    
    
        
            Power Output 125 Approx:
        
        
            15 hp (11 kW) @ 9,500 rpm (varies by market regulations)
        
     
    
        
            Power Output 200 Approx:
        
        
            25 hp (18.4 kW) @ 10,000 rpm
        
     
    
        
            Torque 125 Approx:
        
        
            12 Nm (8.9 lb-ft) @ 8,000 rpm
        
     
    
        
            Torque 200 Approx:
        
        
            19.5 Nm (14.4 lb-ft) @ 8,000 rpm
        
     
    
    
        
            Fuel Delivery:
        
        
            Bosch electronic fuel injection (EFI)
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline, minimum 91 RON
        
     
    
        
            Emission Control:
        
        
            Catalytic converter
        
     
    
    
        
            Oil Type:
        
        
            API SG/SH/SJ or JASO MA/MA2; SAE 10W/50
        
     
 
    
    
    
        
            Instrument Cluster:
        
        
            Digital LCD display with tachometer, speedometer, gear indicator, fuel level, and warning lights.
        
     
    
    
        
            ABS System:
        
        
            Bosch ABS unit, offering safety during braking.
        
     
    
    
        
            Connectivity Features:
        
        
            No advanced connectivity features such as Bluetooth or smartphone integration on these specific model years.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 5,000 km (3,100 miles) or annually, whichever comes first.
        
     
    
        
            Air Filter Check:
        
        
            Every 5,000 km (3,100 miles)
        
     
    
        
            Spark Plug Replacement:
        
        
            Every 10,000 km (6,200 miles)
        
     
    
        
            Chain Cleaning Lubrication:
        
        
            Every 1,000 km (620 miles) and after riding in wet conditions.
        
     
    
        
            Valve Clearance Check:
        
        
            Every 10,000 km (6,200 miles)
        
     
    
    
        
            Engine Oil:
        
        
            API SG/SH/SJ or JASO MA/MA2; SAE 10W/50
        
     
    
        
            Coolant:
        
        
            Mixture of distilled water and antifreeze (e.g., Motorex M3.0 or equivalent), typically a 50/50 mix.
        
     
    
    
    
        
            Common Faults:
        
        
            Some owners have reported occasional electrical gremlins, minor leaks from engine seals under high mileage, and chain wear if not maintained diligently.
        
     
    
    
        
            Diagnostic Assistance:
        
        
            The manual provides detailed troubleshooting steps to identify and resolve potential issues.
        
     
 
    
    
    
        
            Brand Origin:
        
        
            KTM is an Austrian manufacturer known for its off-road prowess and aggressive performance motorcycles.
        
     
    
    
        
            Duke Lineup:
        
        
            The Duke line represents KTM's street-focused naked motorcycles, characterized by their sharp styling and dynamic handling.
        
     
    
        
            125 200 Introduction:
        
        
            The 125 and 200 Duke models were introduced to cater to emerging markets and entry-level riders seeking KTM's DNA in a more accessible package.
        
     
    
    
        
            Manufacturing Location:
        
        
            Primarily manufactured in India through a partnership with Bajaj Auto.