1999-2006 KTM 125/200 SX, SXS, MXC, EGS, EXC, XC, XC-W Service Manual

Technical Scope of the 1999–2006 KTM 125/200 Manual

• Covers 1999–2006 KTM 125 and 200 two-stroke models, including SX, MXC, EXC, XC, and EGS variants with single-cylinder, liquid-cooled engines.
• Original OEM publication Art. Nr. 3.206.031-E, published as the comprehensive repair reference for the 1999–2006 production cycle.
• Contains 12 detailed engine exploded-view diagrams, 6 electrical schematic diagrams, and 14 specific torque-value tables for engine and chassis assembly.
• Delivered as a direct download the moment payment clears.
• Permanent availability in your purchase account — no re-buy required.
• Indexed PDF search covers every chapter and appendix.
• Page spreads stay legible when printed at original size.
• This 186-page factory reference is the primary documentation required for servicing the 125/200 engine and chassis throughout the 1999–2006 model years.

Component and System Documentation

This factory-authorized manual provides detailed procedures for engine and chassis maintenance across the specified 1999–2006 KTM 125/200 model range. The documentation is organized by major motorcycle systems, focusing on the removal, installation, and inspection of the liquid-cooled two-stroke engine. Key chapters outline processes for the complete disassembly of the engine housing, transmission, crankshaft, and shift mechanism, alongside comprehensive details on the clutch and fuel systems. The manual also includes specific instructions for maintaining the hydraulic clutch, adjusting the exhaust control system, and servicing the oil pump for models equipped with separate lubrication systems. Electrical diagnostics are supported by wiring diagrams for various ignition configurations including Kokusan 2K-1, 2K-2, and 2K-3 systems.

Engine and Maintenance Specifications

The technical sections provide crucial reference values for the 1999–2006 KTM 125/200 line. Torque values for engine fasteners are clearly listed, such as the 120 Nm required for the inner clutch hub nut and the 100 Nm specification for the swingarm pivot nut. Cooling system capacity is documented at 1.2 liters for these models. Piston fitting clearance is specified at 0.06 mm for the 125 cc engine and 0.085 mm for the 200 cc variants. Ignition stator measurements are detailed by cable color combinations, with typical primary coil resistance values ranging from 0.425 to 0.575 ohms. Reference this factory manual structure to locate exact tolerance charts for your specific 125 or 200 engine build. Reference only — always consult a certified technician before performing service on this equipment. An official 186-page KTM OEM workshop manual covering the 1999–2006 125/200 SX, SXS, MXC, EGS, EXC, XC, and XC-W range, documenting engine, chassis, electrical, and fuel-system specifications for these two-stroke motorcycle builds.

Document Reference: Art. Nr. 3.206.031-E