2005–2005 Harley-Davidson Dyna Twin Cam 88 (FXDC Super Glide Custom)

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The 2005 Harley-Davidson Dyna Twin Cam 88 (FXDC Super Glide Custom)** marked the return of the “Custom” designation to the Super Glide family after a decade-long absence. Positioned as a premium factory custom within Harley-Davidson’s Dyna lineup, the FXDC blended the performance-oriented characteristics of the Dyna platform with a significant increase in chrome components and stylistic enhancements. It was designed to appeal to riders seeking a more stylized and feature-rich motorcycle than the standard FXD Super Glide, without moving up to the larger and heavier Softail or Touring models. The 2005 model served as a bridge, offering classic big-twin appeal with the modern reliability of the Twin Cam 88 powertrain.

Reintroduction and Evolution

The reintroduction of the FXDC Super Glide Custom in 2005 was a significant update from its predecessor of the 1990s. The most substantial difference was the powertrain. The previous generation of the FXDC was powered by the 1340cc Evolution engine, whereas the 2005 model featured the larger and more modern 1450cc Twin Cam 88 engine. This new engine offered improved performance, better thermal management, and enhanced reliability.

Furthermore, the 2005 model was built on the updated Dyna chassis, known for its rubber-mounted engine that isolated vibrations from the rider, providing a smoother ride than earlier solid-mount frames. The styling was also heavily revised to reflect contemporary tastes, incorporating a tank-mounted speedometer, a “Fat Bob” fuel tank, and a wealth of chrome finishes on the engine covers, battery box, and other components, distinguishing it clearly from the more spartan Super Glide models of its era.

Design and Features of the 2005 Harley-Davidson Dyna Twin Cam 88 (FXDC Super Glide Custom)

The design philosophy behind the 2005 FXDC was to deliver a “factory custom” experience, providing riders with a motorcycle that already included many of the aesthetic upgrades they might otherwise purchase from the aftermarket.

Powertrain and Performance

At the heart of the FXDC is the air-cooled, 1450cc (88 cubic inch) Twin Cam 88 V-twin engine. For the 2005 model year, this engine was carbureted, utilizing a 40mm constant velocity (CV) carburetor that provided a classic, visceral throttle response characteristic of pre-fuel-injection Harleys. The engine was rubber-mounted to the frame, a hallmark of the Dyna platform, which significantly reduced engine vibration felt by the rider at idle and cruising speeds. This powertrain was mated to a five-speed manual transmission, delivering power to the rear wheel via a clean and low-maintenance belt drive system.

Chassis and Suspension

The FXDC is built on the robust Dyna frame, which is distinguished by its traditional swingarm and exposed dual coil-over rear shock absorbers. This setup provided a balance of comfort and responsive handling that made the Dyna platform popular among riders who valued performance. The front suspension consisted of a conventional 49mm telescopic fork. The bike’s geometry was engineered to be agile enough for spirited riding on winding roads while remaining stable and comfortable for highway cruising. Its mid-mount foot controls offered a commanding and engaged riding position.

Styling and Ergonomics

Visually, the 2005 Super Glide Custom stood out with its extensive use of chrome. Key components such as the rocker boxes, derby cover, timing cover, and oil filter mount received a bright finish. It featured a color-matched electrical box and a chrome battery cover, adding to its premium appearance.

The rider ergonomics were defined by a low-slung, two-up seat, pullback handlebars, and a console-mounted speedometer housed on the classic 4.8-gallon “Fat Bob” fuel tank. This combination created a comfortable and classic cruiser posture. Laced (spoke) wheels were standard, further enhancing its traditional custom look. The overall package was a cohesive blend of classic Harley-Davidson styling cues and the distinct, performance-oriented identity of the Dyna family.

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