2003 Harley-Davidson Dyna Super Glide, Low Rider, Super Glide Sport, Super Glide T-Sport, Wide Glide Service Manual (P/N 99481-03A)

• Covers 2003 Harley-Davidson Super Glide, Low Rider, Super Glide Sport, Super Glide T-Sport, and Wide Glide models
• Official 525-page OEM publication (P/N 99481-03A, first edition 2003) establishing the technical baseline for the 2003 Dyna platform
• Features hundreds of exploded-view diagrams, complete wiring schematics, torque specification tables, and maintenance charts

Technical Content Breakdown

This service manual delivers detailed tear-down and rebuild information for the Twin Cam 88 engine, electrical systems, chassis, and transmission assemblies. You will find everything from foundational maintenance tasks, like changing fluids and spark plugs, to complex component-level procedures involving the transmission, cam support plate, and front fork cartridges. It also covers fuel system management, providing precise guidance on the C.V. carburetor and idle speed settings. Further sections outline steering head bearing adjustments and wheel lacing procedures for both cast and laced options.

Beyond the engine and drivetrain, the documentation details chassis and frame specifications, including suspension geometry and engine mount stabilization. The appendixes provide metric conversions, electrical connector pinouts, and specialized tool references essential for professional-grade bench work.

Specification Highlights

Inside, the manual lays out exact fluid capacities and torque values needed for accurate workshop routing. For instance, transmission lubricant capacity is set at 20–24 oz (591.5–709.8 ml), while the primary chaincase requires 26 oz (768.9 ml). The spark plug gap for the standard No. 6R12 plug runs strictly between 0.038 and 0.043 in. (0.97–1.09 mm). You also get comprehensive torque charts covering critical fasteners, such as the 50–55 ft-lbs (67.8–74.6 Nm) requirement for front axle nuts, alongside specific suspension damping settings for the FXDX and FXDXT variants. Always cross-reference the original OEM documentation before beginning any hands-on work, as proper tooling and factory-approved procedures are vital for workshop safety and mechanical integrity.