2004-2006 KTM 250/300 SX / EXC / XC Repair Manual (162 P.)

KTM 250/300 2004–2006 Service Coverage

• Covers 2004–2006 KTM 250 and 300 two-stroke motocross and enduro models, including SX, SXS, MXC, EXC, EXC Six Days, XC, and XC-W variants
• Official KTM publication P/N 3.206.032-E, revision dated November 2005
• Contains 159 pages of technical specs, exploded diagrams, and maintenance schedules
• Accessible from your device as soon as the order is placed
• No shipping wait — the PDF is available immediately after purchase
• Laid out for standard letter and A4 printing
• Indexed PDF search covers every chapter and appendix
• This specific edition provides the factory-authorized setup and tolerance data for the 2006 engine updates including clutch and brake bleeding procedures not detailed in earlier manuals

Factory Technical Scope

This manual documents the entire service sequence for the KTM 250/300 engine series. Initial chapters detail the engine removal and refitting sequence, followed by comprehensive disassembling instructions for the top end, transmission, and internal crankcase components. Technical sections define service limits for critical internal parts, including piston ring end gaps, crankshaft web dimensions, and transmission gear inspections. The documentation provides a logical flow from complete engine teardown through to the precise assembly protocols required to restore factory operation.

Specifications and Maintenance Data

Detailed tables provide the torque requirements, fluid capacities, and electrical reference values necessary for professional maintenance. The cooling system capacity is documented at 1.2 liters, while the transmission requires exactly 0.7 liters of oil. Intake system data covers carburetor settings for the Keihin PWK 36S AG and 38S AG, detailing jet needle ranges and air control screw configurations. Electrical reference values for the Kokusan ignition systems are listed by model year, including stator output voltages and coil resistances. Cylinder head bolt torque values are documented in a multi-stage sequence, ensuring proper gasket seal across all 250 and 300 series displacements. Note: All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work. This factory manual serves as the primary technical reference for the 2004–2006 KTM 250/300 SX, EXC, and XC series, documenting all engine assembly, electrical testing, and fuel system configurations.