2002 Harley-Davidson Dyna Service Manual
Complete repair guide for all Harley-Davidson Dyna models from 2002. Covers service, maintenance, and troubleshooting for a comprehensive understanding of your motorcycle's systems. PN 99481-02
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Models Covered & Key Technical Specifications
2002 Harley-Davidson Dyna Service Manual: All Models
Technical Documentation | Library
- Nominal Size Parameters: 12 mm establishes the standard spark plug aperture size.
- Prescribed Installation Footprint: 0.97-1.09 mm defines the acceptable spark plug gap range.
- System Coupling Torques: 0.5-0.7 ohms signifies the nominal primary resistance range for ignition coils.
- Technical System Fill: Harley-Davidson No. 6R12 signifies the recommended original equipment spark plug type.
- Standard Power Framework: 5500-7500 ohms establishes the secondary resistance baseline for ignition coils.
- Defined Mass Specs: 1000 ± 50 RPM determines the standard idle speed framework.
Professional Workshop Service Manual & Technical Specifications
2002 Harley-Davidson Dyna Service Manual: All Models
Technical-Domain: All Dyna models // Performance-Values: Yes // Technical-Domain: No
Major sections focus on:
- Engine Management
- Starting & Charging
- Instruments
- TSM/TSSM
- Wiring
| Technical Specs Table (3-Column) | Performance-Element | Baseline | Validation-Data |
|---|---|---|---|
| Spark Plug Size | 12 mm | Standardized aperture diam. | |
| Primary Ignition Coil Resistance | 0.5-0.7 ohms | Coil electrical spec. | |
| Secondary Ignition Coil Resistance | 5500-7500 ohms | Coil electrical spec. | |
| Alternator Stator Coil Resistance | 0.1-0.2 ohms | Electrical resistance measurement. | |
| Regulator Voltage Output | 14.3-14.7V @ 3600 RPM | Operational voltage parameters. | |
| Regulator Amperes Output | 32 amps @ 3600 RPM | Current output specification. |
Prose Paragraphs: This manual offers complete diagnostic procedures for all 2002 Harley-Davidson Dyna models. It details how to troubleshoot engine cranks, but not start conditions, ignition module power issues, and misfires at idle or under load.
Diagnostic Procedures Overview
Special procedures are addressed for analyzing ignition module circuits, including checking for diagnostic trouble codes (DTCs) using the Scanalyzer or check engine lamp diagnostics. The manual guides users through initial diagnostic checks and specific DTC troubleshooting.
System Problem Resolution
Verification procedures are included for diagnosing engine performance issues such as manifold leaks, MAP sensor problems, and clogged air filters. The document provides solutions for problems like "Engine Starts Hard" and "Engine Exhaust Emits Black Smoke or Fouls Plugs."
Troubleshooting Ignition System Components
Repair information is provided for ignition coil testing, including primary and secondary resistance checks. It also details how to address misfires and diagnose DTCs related to ignition coils and crank position sensors.
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