KTM LC4 1998-2003 Service Manual
Comprehensive repair and service manual for KTM LC4 400, 620, 640, and 660 models from 1998-2003. Covers engine disassembly, electrical systems, fuel systems, and more.
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Models Covered & Key Technical Specifications
KTM LC4 Service Manual: 400-660cc (1998-2003) Comprehensive guide for maintaining and repairing your KTM LC4.
- Technical Data Specs: 100 Nm swingarm pivot torque rating ensures secure assembly.
- Engine Mounting Specs: M8 engine mounting bolts provide 40 Nm of secure fastening.
- Fuel System Specs: Idle speed adjustment range from 1400-1500 rpm for optimal engine operation.
- Electrical System Specs: 14.0-15.0 V nominal voltage range for charging system ensures proper power output.
- Ignition System Specs: Primary voltage output of 220 volts +/- 10 volts for reliable ignition coil control.
- Carburetor Specs: 0.8 mm (0.03 in) axial play for float ensures proper functioning.
Professional Workshop Service Manual & Technical Specifications
KTM LC4 Service Manual: 400-660cc (1998-2003) System-Standards
Engineering-Base: LC4 400-660cc Engines / Equipment-Series: 1998-2003 Models / Component-Focus: Complete Repair Procedures. The documentation provides guidance on systems, maintenance, and repair procedures for the KTM LC4 models spanning 1998 to 2003. It details various systems including engine, electrical, fuel, and ignition, offering step-by-step instructions for disassembly, assembly, and adjustment to ensure optimal performance and longevity. Essential for any owner or mechanic working on these models.
| Integrated-Framework | Parameters | Calibration-Data |
|---|---|---|
| Carburetor Systems | Idle Speed | Mixture Control |
| Electrical Systems | Voltage Output | Charging System |
| Engine Systems | Torque Specs | Component Mounting |
| Ignition Systems | Pulse Generator | Primary Voltage |
| Fuel Systems | Float Level | Throttle Sensor |
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