2004 Harley-Davidson Softail (FXST, FLSTC, FLSTF, FXSTB, FXSTS, FXSTD) Service Manual

Comprehensive 2004 Harley-Davidson Softail service and repair manual covering FXST, FLSTC, FLSTF, FXSTB, FXSTS, and FXSTD models. Includes detailed procedures and specifications.

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Harley-Davidson 2004 Harley-Davidson Softail (FXST, FLSTC, FLSTF, FXSTB, FXSTS, FXSTD) Service Manual manual page preview - page 1 of 1068

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Harley-Davidson Models Covered & Key Technical Specifications

Models: FXST, FLSTC, FLSTF, FXSTB, FXSTS, FXSTD
Sub-models / Variants: Springer (FXSTS), Softail Deuce (FXSTD), Fat Boy (FLSTF), Heritage Softail Classic (FLSTC), Night Train (FXSTB), Standard (FXST)
Build Years: 2004
Technical Data:

  • Engine: Twin Cam 88B (Carbureted and EFI variants)
  • Transmission: 5-speed, lubricant capacity 24 oz. (0.71 liters)
  • Primary Chaincase: lubricant capacity 26 oz. (0.77 liters)
  • Fuel Capacity: 5.0 gal. (18.92 liters) for most, 4.9 gal. (18.55 liters) for FXSTD
  • Spark Plug: No. 6R12, gap 0.038–0.043 in. (0.97–1.09 mm), torque 12–18 ft-lbs (16.3–24.4 Nm)
  • Brake Fluid: D.O.T. 5 SILICONE BRAKE FLUID
  • Primary Chain Free Play (Cold): 5/8–7/8 in. (15.9–22.3 mm)
Technical Specifications
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Document Number / Seller:
29392 / Donna Cook
File Size:
24.75 MB
File Type:
PDF
Language:
English
Pages:
1068
Printable:
Yes
Category:
Motorbike
Last updated / verified
May 23, 2025

Harley-Davidson Manual Features & Content Preview

Technical Scope for 2004 Harley-Davidson Softail Models

  • Covers 2004 Harley-Davidson Softail models including FXST, FLSTC, FLSTF, FXSTB, FXSTS, and FXSTD, documenting chassis, engine, and electrical diagnostic procedures
  • Official Harley-Davidson publication P/N 99482-04, first edition dated 2004
  • Contains 68 exploded-view diagrams, 24 electrical diagnostic schematics, and 12 torque specification tables
  • Delivered as a direct download the moment payment clears
  • Indexed PDF search covers every chapter and appendix
  • Stored against your account so you can retrieve it after a hard-drive loss
  • This 1068-page manual serves as the primary factory reference for the 2004 Softail model year, including the specific FXSTDSE2 service supplement and electrical diagnostic data

Documentation Walkthrough

This manual details maintenance, chassis service, and engine management systems. Maintenance sections cover fuel and oil grades, inspection schedules, battery upkeep, brake fluid flushing, and drive belt tensioning. The chassis segment documents steering head adjustments, suspension preload, and wheel lacing procedures for both disc and laced wheels. Additional chapters detail the fuel supply valve and carburetor idle settings.

Specification Previews

Technical data is provided for engine assembly and chassis critical fasteners. Primary chain tension is specified at 5/8–7/8 in. for cold engines, while spark plug installation torque is 12–18 ft-lbs (16.3–24.4 Nm). Spark plug electrode gap is documented at 0.038–0.043 in. (0.97–1.09 mm).

Valve clearance for the intake is documented in the factory workshop documentation provided. Front tire pressure for FXST models is listed as 30 PSI. The rear axle alignment margin is set at 1/32 in. (0.794 mm).

Reference only — always consult a certified technician before performing service on this equipment.

An official 1068-page Harley-Davidson OEM workshop manual covering the 2004 Softail, documenting engine, chassis, electrical, and fuel-injection specifications for the FXST, FLSTC, FLSTF, FXSTB, FXSTS, and FXSTD series builds.

Manual FAQ, Purchase & Download Details

What chapters and sections are included in this 2004 Softail service document? keyboard_arrow_down

Manual covers maintenance, chassis, engine, fuel system, starter, drive, transmission, electrical, and fuel injection sections. It also includes an appendix and references specific coverage for the FXSTDSE2 Service Supplement.

Is there information regarding the charging and ignition systems for these 2004 Softail models? keyboard_arrow_down

Yes, the electrical diagnostics section contains references for starting, charging, instrumentation, and both carbureted and EFI engine management systems.

Are there specification tables or charts for tightening values and clearance tolerances included in the manual? keyboard_arrow_down

Document includes maintenance data tables that list ranges for fasteners, spark plug torque settings, primary chain deflection, and drive belt specifications. These tables provide technical reference values for various systems throughout the motorcycle.

Which sections reference the fluid capacities or lubricant types for the engine and transmission? keyboard_arrow_down

Maintenance section lists specific lubricant types, capacities, and inspection criteria for the engine, transmission, primary chaincase, and hydraulic systems.

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