KTM 125, 144, 150, 200 SX, SXS, MXC, EGS, EXC, XC (1999-2010) - Comprehensive Maintenance & Repair Guide
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Sample pages from the KTM 125, 144, 150, 200 SX, SXS, MXC, EGS, EXC, XC (1999-2010) - Comprehensive Maintenance & Repair Guide manual
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KTM Models Covered & Key Technical Specifications
Models: 125 SX, 125 EXC, 125 EXC SIX DAYS, 125 MXC, 125 EGS, 125 XC, 125 XC-W, 144 SX, 150 SX, 150 XC, 200 EXC, 200 EXC SIX DAYS, 200 MXC, 200 EGS, 200 XC, 200 XC-W
Sub-models / Variants: SX, SXS, MXC, EGS, EXC, EXC SIX DAYS, XC, XC-W, Supermoto, EXE
Build Years: 1999–2010
Technical Data:
- Engine displacement: 125 cc, 144 cc, 150 cc, 200 cc
- Cylinder diameter (125 cc, up to 2000): 54.250–54.275 mm
- Cylinder diameter (125 cc, from 2001): 54.000–54.025 mm
- Cylinder diameter (144 cc): 56.000–56.025 mm
- Cylinder diameter (200 cc): 64.000–64.025 mm
- Crankshaft run-out: Max 0.02 mm
- Piston fitting clearance (125/144): 0.06 mm
- Piston fitting clearance (200): 0.055 mm
- Gear oil capacity: 0.70 liters
- Brake fluid type: DOT 5.1
- Clutch fluid type: SAE 10 biodegradable hydraulic oil
KTM Manual Features & Content Preview
1999–2010 KTM 125, 144, 150, and 200 Service Manual Features
- Covers 1999–2010 KTM 125, 144, 150, and 200 SX, SXS, MXC, EGS, EXC, XC, and XC-W two-stroke engines
- Official KTM publication Art.-Nr. 3.206.062-E, edition July 2009
- Contains 51 exploded-view diagrams and 15 wiring schematics covering ignition and electrical systems
- Delivered as a direct download the moment payment clears
- Indexed PDF search covers every chapter and appendix
- This 2009 edition is the final revision of the 1999–2010 manual, updating technical specifications and maintenance schedules for all variants
Engine Maintenance and Documentation
The 1999–2010 KTM 125/144/150/200 repair manual documents engine-specific service for the two-stroke range, encompassing disassembly, inspection, and assembly procedures. The content details engine removal, crankshaft balancing and bearing replacement, transmission housing division, and shifting mechanism timing. Further chapters address maintenance of the clutch, cooling system, and ignition components, including detailed stator resistance values for Kokusan 2K-1, 2K-2, and 2K-3 systems.
Technical Data and Specifications
Detailed reference sections provide clearance tolerances, torque settings, and fluid capacities for the engine housing. Piston fitting clearance for 125 and 144 models is documented at 0.06 mm, whereas the 200 cc engine specifies 0.055 mm. The manual includes a comprehensive carburetor section for Keihin PWK 36S, 38AG, and 39 models, defining jetting configurations and operating ranges based on elevation and ambient temperature settings. Cylinder wear thresholds are provided for models ranging from 1999 to 2010, ensuring accurate assessment of the Nikasil-coated bores.
An official 280-page KTM OEM workshop manual covering the 1999–2010 KTM 125, 144, 150, and 200, documenting engine, chassis, electrical, and fuel-injection specifications for the SX, EXC, and XC model series.
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