1998-2003 KTM 125/200 SX/MXC/EXC Engine Repair Manual
Get your KTM 125/200 SX/MXC/EXC engines running smoothly with this essential service manual. Covers 1998-2003 models. Part number 320588-E.
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Sample pages from the 1998-2003 KTM 125/200 SX/MXC/EXC Engine Repair Manual manual
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Models Covered & Key Technical Specifications
KTM 125/200 SX/MXC/EXC Engine Service Manual 1998-2003 Technical reference for 1998-2003 KTM 125/200 SX/MXC/EXC engine configurations. | Series KTM Engine Repair Manual Library-Master
- Prescribed Scan Resolution: 0.60 mm (0.024 in) establishes the precise gap for spark plugs.
- Documented Tightening Data: 1.4 mm (0.055 in) for 125 models and 1.6 mm (0.063 in) for 200 models specifies ignition timing BTDC.
- Core Piston Ring Data: Two plain compression rings are standard for 200cc models to ensure proper sealing.
- Rated Bore Spacing: 54.25 mm (up to 2000) and 64 mm for 200 models defines the cylinder diameter parameters.
- Technical Ignition Specs: The pulse generator output signal is measured at 6 volts +/- 1 volt for an accurate reading.
- Advanced Capacity Specs: The generator charging coil output voltage is rated at 35 volts +/- 5 volts for optimal performance.
Manual Description & Preview
Standard Field Assembly Manual: KTM 1998-2003 125/200 SX/MXC/EXC Engine Repair Manual Library-Master
| Calibration-Scope: 1998-2003 KTM 125/200 SX/MXC/EXC Engine | Engineering-Base: KTM Engine Repair Manual Library-Master Logic | Calibration-Scope: Technical Engine Specifications | Component | Operational-Logic | Architecture |
|---|---|---|---|---|---|
| Engine Specifications | Piston Displacement | 124.8 ccm (125) / 193 ccm (200) | |||
| Ignition Timing | BTDC | 1.4 mm (125) / 1.6 mm (200) | |||
| Spark Plug Gap | Clearance | 0.60 mm | |||
| Primary Drive Ratio | Spur Gears | 23:73 | |||
| Clutch Type | Multi-disc Oil Bath | Hydraulic Operated | |||
| Transmission Speeds | Gears | 6-Speed Claw Actuated |
The manual presents information on engine disassembly, component servicing, and assembly procedures. It details the engine housing, crankshaft, transmission, and ignition system, providing critical data for each. Topics covered include the clutch, oil pump, reed valve housing, and intake flange. Specific sections address piston and cylinder inspection, control flap adjustment, and cylinder head procedures. The manual also documents ignition cover and measuring dimensions, providing essential guidance for maintenance and repair.
Sequentially requiring disassembly procedures, the manual details engine removal and installation. It covers the transmission, shift mechanism, and kickstarter, along with the primary drive and clutch components. Oil pump and reed valve housing procedures are also documented. Specific sections on the clutch cover, piston, and cylinder are included. Adjusting dimensions and control flap settings are detailed. Cylinder head and ignition cover procedures are outlined, along with measurements and mounting the clutch slave cylinder. Filling the gear oil is also covered.
This manual includes comprehensive technical specifications for various KTM models, covering engine and chassis details from 1998 through 2003. It details specifications for the 125 SX, 125 EXC, 125 EGS, 200 SX, 200 MXC, and 200 EXC models, including data on frame, forks, suspension, brakes, tires, fuel tank capacity, and final drive ratios. Additionally, it provides standard adjustments for front and rear suspension and tightening torques for various chassis components. Carburetor settings for different models and conditions are also presented.
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