Model:
125, 144, 150, 200 SX, SXS, MXC, EGS, EXC, EXC Six Days, XC, XC-W
Engine Variants:
125cc, 144cc, 150cc, 200cc
Production Years:
1999-2010
Product Type:
Service Repair Workshop Manual
Target Audience:
KTM owners, DIY mechanics, professional technicians, enthusiasts
Positioning:
These models are positioned as competitive and capable off-road machines for motocross, enduro, and trail riding. The manual supports owners who want to maintain or repair them to factory standards.
Value Proposition:
Comprehensive, factory-level documentation for a wide range of KTM off-road models covering a significant production span.
Detail Level:
Hundreds of pages with detailed photos, diagrams, and step-by-step instructions.
Usability:
Cross-platform compatibility (Windows/MAC), printable, lifelong access.
Coverage:
Engine Service, Repair, Troubleshooting, Servicing
Pages:
Hundreds (detailed)
Type:
Factory Service Repair Workshop Manual
Content Type:
Professional, step-by-step instructions with detailed photos and exploded diagrams.
Engine Internal:
Cylinder, piston, connecting rod, crankshaft, valve train (if applicable), lubrication system, cooling system (if applicable)
Fuel System:
Carburetor(s) (jetting, float levels, cleaning, adjustment), fuel lines, fuel pump (if applicable)
Ignition System:
Spark plug, ignition coil, CDI unit, stator, wiring
Exhaust System:
Exhaust pipe, muffler, packing, sealing
Cooling System:
Radiator, hoses, coolant, water pump (if applicable)
Lubrication System:
Oil pump (if applicable), oil filters, oil passages, pre-mix specifications (if applicable)
Electrical System:
Wiring diagrams, lighting (if applicable), ignition system components, battery (if electric start models exist within this range).
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug checks, decarbonization, general servicing
Repair:
Engine disassembly and reassembly, component replacement, seal and gasket replacement, internal engine repairs
Troubleshooting:
Diagnostic procedures for common engine faults, performance issues, starting problems
Technical Specifications:
Torque values, clearances, measurements, tolerances
Engine Rebuild:
Complete engine teardown, inspection, measurement, component replacement (pistons, rings, bearings, seals, gaskets), and reassembly with torque specifications.
Depth:
Comprehensive, covering all aspects from basic checks to complete engine rebuilds.
Diagnostic Tools:
While not explicitly mentioning specialized diagnostic tools, the manual guides troubleshooting through systematic checks and symptom analysis common in mechanical systems.
Compatibility:
Windows & MAC Computers
Printability:
Printable (single pages or entire manual)
Binding:
Digital (No physical binding)
Paper Quality:
N/A (Digital PDF)
Access:
Instant download, usable on multiple devices
Licensing:
Full manual, no expiry, no renewal fees
Engine Type:
2-Stroke, Liquid-Cooled (typically for these models)
Bore Stroke 125:
Refer to manual for exact specifications (typically around 54mm x 54.5mm for 125)
Bore Stroke 144/150:
Refer to manual for exact specifications (larger bore for 144/150)
Bore Stroke 200:
Refer to manual for exact specifications (typically around 64mm x 62.6mm for 200)
Power Valve System:
Mechanical power valve system (common on 125/150/200 models) - manual will detail inspection, cleaning, and adjustment.
Horsepower Range:
Typically 30-40+ HP depending on displacement and specific model tune (manual will provide exact figures)
Torque Range:
Refer to manual for exact specifications
Carburetor Type:
Keihin PWK (common, but manual will confirm specific models)
Fuel Type:
Unleaded gasoline with appropriate 2-stroke oil pre-mix ratio (manual will specify ratio and oil type)
Vehicle Type:
Off-road/Motocross/Enduro
Seat Height:
Varies by model, refer to manual for specific models
Dry Weight:
Varies by model, refer to manual for specific models (typically 90-105 kg)
Wet Weight:
Varies by model, refer to manual for specific models
Safety Certifications:
Not typically rated by NHTSA/Euro NCAP as off-road vehicles
Braking System:
Hydraulic disc brakes (front and rear, specific caliper/rotor sizes in manual)
Suspension:
Upside-down telescopic forks (WP Suspension common), Monoshock rear suspension (WP PDS common) - detailed adjustments and service in manual
Frame Construction:
Chromium-molybdenum steel trellis frame (common, manual will detail)
Oil Change Interval:
Refer to manual (typically 10-20 hours of use for engine oil/pre-mix systems, or based on specific operating conditions)
Spark Plug Check:
Refer to manual (e.g., every 15-30 hours of use)
Air Filter Cleaning:
Refer to manual (highly dependent on riding conditions, often requires frequent cleaning)
Transmission Oil Change Interval:
Refer to manual (typically every 20-40 hours or annually, depending on use)
Coolant Type:
Ethylene Glycol based coolant, refer to manual for specific KTM recommended mixture ratio and type.
Brake Fluid Type:
DOT 4 or DOT 5.1 (refer to manual for exact specification and brand recommendations)
Common Wear Items:
Piston rings, clutch plates, crank seals, power valve components (depending on model), wheel bearings, steering bearings. Manual will detail inspection and replacement procedures.
Carburetor Tuning:
Carburetor jetting can be sensitive to altitude and temperature changes; manual provides baseline settings and tuning guidance.
Heritage:
KTM is renowned for its off-road racing prowess and high-performance motorcycles.
Evolution Overview:
The 125, 144, 150, and 200cc models represent KTM's strong offering in the smaller displacement off-road segment, evolving through various chassis and engine updates during the 1999-2010 period.
Manufacturing Origin:
Austria (primary manufacturing location for KTM)