2006 Harley-Davidson Dyna FXD, FXDC, FXDL, FXDWG, FXD35, FXDB Factory Service Manual (P/N 99481-06)

• Covers 2006 Harley-Davidson Dyna FXD, FXDC, FXDL, FXDWG, FXD35, and FXDB models, documenting maintenance, chassis, and electrical systems.
• Official OEM publications P/N 99481-06 and P/N 99496-06, including comprehensive content for both 2006 Dyna service and electrical diagnostics.
• Contains 51 exploded-view diagrams, 16 maintenance tables, and 8 torque-specification charts detailing primary chassis and drivetrain fasteners.
• Delivers 914 pages of technical documentation covering the complete 2006 Dyna model-year production run.
• Explores comprehensive engine teardowns, transmission overhauls, fuel system maintenance, starter mechanics, drive components, and engine management.
• Provides PDF diagnostic testing, TSM/TSSM procedures, troubleshooting guides, exact wiring diagrams, and steps to fix issues.

Chassis and Maintenance Coverage

This manual details a wide range of scheduled maintenance tasks and chassis-specific procedures for the FXD series. Bypass expensive trips to the dealership by following step-by-step instructions for tasks like bleeding the hydraulic brakes, adjusting the steering head bearing fall-away, and truing laced wheels. You will find in-depth sections outlining engine oil and filter intervals, primary chaincase lubrication, clutch adjustment, and transmission service. It also breaks down rear belt deflection and spark plug inspection. For chassis work, chapters cover front and rear wheel removal, wheel bearing service, alongside wheel lacing for 17-inch, 19-inch, and 21-inch rims. Additional topics include complete vehicle alignment. Electrical chapters map out starting and charging circuits, instrumentation, turn signal module diagnostics, and complex wiring paths. Always ensure your workspace is secure and reference factory safety protocols before beginning any repair on heavy motorcycle components.

Specification Highlights and Professional Utility

Torque specifications for critical chassis components are clearly documented throughout the text. For instance, the primary chaincase drain plug torque requires 36–60 in-lbs (4.1–6.8 Nm). The chassis data table lists the front fork pinch bolt torque at 30–35 ft-lbs (40.7–47.5 Nm). Technicians will also find accurate fluid capacities, such as the transmission lubricant level, which holds 32 oz (0.95 L) and must be checked with the motorcycle on the jiffy stand at operating temperature. Final rear axle nut torque requires 60–65 ft-lbs (81.3–88.1 Nm).

Navigating these systems is simplified by referenced visual aids, including the Quick Reference Maintenance Chart, the Battery Self-Discharge Rate chart, the Drive Belt Wear Patterns view, the EFI System Circuit schematic, and the Top Plate Torque Sequence drawing.

By providing these exact factory specifications and comprehensive visuals, this 914-page volume establishes the technical foundation for the 2006 Dyna lineup, streamlining the daily workflow in professional shops and accelerating accurate repairs. When working on these powertrains, mechanics should be aware of specific pitfalls. For example, overfilling the primary chaincase will consistently cause rough clutch engagement and difficulty finding neutral at idle. Furthermore, adjusting the clutch pack on a hot powertrain leads to insufficient push rod clearance and subsequent clutch slippage once the assembly cools down.