2006 Harley-Davidson Dyna Twin Cam 88 (FXDWG Wide Glide 6-Speed)

The 2006 Harley-Davidson Dyna Twin Cam 88 (FXDWG Wide Glide 6-Speed)** represents a pivotal model year for Harley-Davidson’s Dyna platform. As the final year for the venerable 88 cubic-inch engine in the Dyna lineup before the upgrade to the Twin Cam 96, the 2006 model introduced significant chassis and transmission upgrades that set the stage for the next generation of the company’s performance cruisers. Blending its classic factory-chopper styling with modern engineering enhancements, the 2006 FXDWG stands as a unique and desirable motorcycle in the Dyna family’s history.

The most substantial changes for the 2006 model year centered on performance, handling, and ride quality. Compared to the previous 2005 model, the 2006 Wide Glide received a completely redesigned and stiffer frame. This new chassis was engineered to provide improved stability and more responsive handling. Complementing the new frame were thicker 49mm front forks, replacing the 39mm units on the prior model, which reduced flex and enhanced front-end feel. At the rear, the 2006 model featured a wider 160mm tire, offering a more aggressive stance and increased grip. However, the most celebrated upgrade was the introduction of the 6-speed Cruise Drive transmission, a significant leap from the 5-speed gearbox of its predecessor.

A Transitional Year for the Dyna Platform

The 2006 model year marked a comprehensive overhaul of the entire Dyna line, and the Wide Glide benefited from every major update. These changes were not merely cosmetic; they were foundational engineering improvements that redefined the riding experience of Harley-Davidson’s “big twin” cruisers, positioning them to better compete in the modern motorcycle market.

Introduction of the 6-Speed Cruise Drive Transmission

The headlining feature for 2006 was the all-new 6-speed Cruise Drive transmission. This gearbox was engineered to handle the torque of the Twin Cam engine while offering smoother shifting and a better-distributed gear ratio. The addition of the sixth gear acted as a true overdrive, significantly lowering engine RPMs at highway speeds. This resulted in a more relaxed and comfortable cruising experience, reduced engine vibration, and improved fuel economy on long rides, addressing a key desire from riders who used their Dynas for touring.

Redesigned Chassis and Suspension

To match the new transmission’s capabilities, Harley-Davidson implemented a far more robust chassis. The redesigned frame offered increased torsional stiffness, which translated directly to more precise handling in corners and greater stability at high speeds. The move to stout 49mm front forks provided a more planted feel, while the wider rear swingarm accommodated a 160mm rear tire, a notable increase from the 150mm tire on the 2005 model. These combined upgrades created a motorcycle that retained its classic chopper profile but behaved with a newfound level of confidence and composure on the road.

The 2006 Harley-Davidson Dyna Twin Cam 88 Powertrain

At the heart of the 2006 FXDWG is the rubber-mounted Twin Cam 88 engine. Displacing 1450cc, this air-cooled, 45-degree V-twin was the standard-bearer for Harley-Davidson’s Big Twin lineup. Known for its strong low-end torque and distinctive exhaust note, the engine provided reliable performance perfectly suited to the Wide Glide’s cruising nature. For 2006, the engine could be optioned with Electronic Sequential Port Fuel Injection (ESPFI) for improved throttle response and easier starting in various conditions, or it could be had with the traditional 40mm constant velocity carburetor. This model year is particularly notable as it was the final application of the 88 cubic-inch engine in the Dyna platform before the entire line was upgraded to the larger Twin Cam 96 in 2007.

Styling and Ergonomics

The FXDWG Wide Glide has always been defined by its unmistakable chopper aesthetic. The 2006 model carried this tradition forward with its signature wide, raked-out front end, achieved through wide triple clamps that give the model its name. The riding position is a classic feet-forward stance, thanks to forward-mounted foot controls. A low-slung 28.5-inch seat height, “ape hanger” style handlebars, a bobtail rear fender, and a 21-inch laced front wheel complete the iconic, custom-inspired look. Many models came from the factory with distinctive flame graphics on the fuel tank, solidifying its rebellious image.

Specifications