
Harley-Davidson FL Duo Glide
Key specifications
Overview
The 1958 Harley-Davidson FL Duo Glide represents a pivotal moment in the evolution of American touring motorcycles, seamlessly blending classic styling with practical performance. As part of Harley-Davidson's legendary lineup, this model was a game-changer, offering riders an unparalleled combination of comfort and power. With its distinctive design and robust construction, the FL Duo Glide emerged as a favorite for long-distance motorcycle enthusiasts, setting the stage for the modern touring bike. Its classic aesthetics, characterized by flowing lines and chrome accents, remain a symbol of freedom and adventure that still resonates with riders today. At the heart of the FL Duo Glide lies a powerful 1212.72 ccm (74.00 cubic inches) V2, four-stroke engine that delivers 55 horsepower at 4800 RPM, coupled with a torque output of 85.43 Nm at 3200 RPM. This robust engine configuration not only ensures spirited performance but also offers a reliable and smooth riding experience, making it equally adept at highway cruising and city commuting. The 4-speed gearbox, combined with a chain final drive, allows for seamless gear changes and effortless acceleration, while the air-cooled system keeps the engine running efficiently, even on those longer rides. The motorcycle’s weight of 267 kg (588.6 lbs) provides a stable platform, enhancing both handling and comfort, especially when navigating winding roads or long stretches of highway. The 1958 FL Duo Glide boasts a range of features that cater to the needs of touring riders. The steel wishbone frame, combined with hydraulic telescopic forks in the front and a swingarm with dual coil-over shocks in the rear, offers excellent suspension performance, ensuring a comfortable ride regardless of the terrain. The drum brakes—both front and rear—provide reliable stopping power, allowing riders to confidently handle any situation. With a fuel capacity of 14.19 liters (3.75 gallons), this motorcycle can tackle lengthy journeys with fewer stops for refueling, a critical factor for those who crave the open road. Additionally, the availability of color options such as black, red, and blue adds a personal touch, letting riders express their individuality. In summary, the 1958 Harley-Davidson FL Duo Glide remains an iconic representation of American motorcycling, combining nostalgic appeal with practical performance, making it a sought-after classic for collectors and enthusiasts alike.
Pros
- Classic Styling: The FL Duo Glide's vintage design exudes character and charm, appealing to enthusiasts of classic motorcycles.
- Comfortable Ride: The advanced suspension system provides remarkable comfort for long-distance travel, making it an ideal touring bike.
- Reliable Power: With a potent V2 engine, this motorcycle delivers impressive performance and torque, making highway cruising a breeze.
Cons
- Weight: At 267 kg (588.6 lbs), the bike may feel heavy for new riders, especially during low-speed maneuvers.
- Drum Brakes: While reliable, the drum brakes may not provide the same stopping power as modern disc brakes, which could be a concern in emergency situations.
- Kick Start Only: The absence of an electric starter may deter some riders who prefer the ease of modern starting systems, making it a bit more challenging to get going.
Technical details
Source specification data
- Make
- Harley-Davidson
- Model
- FL Duo Glide
- Category
- Touring
- Starter
- Kick
- Electrical
- 6 Volt battery.
- Color Options
- Black, red, blue
- Carrying Capacity
- Optional soft saddlebags
- Power
- 55.00 HP (40.1 kW)) @ 4800 RPM
- Torque
- 85.43 Nm (8.7 kgf-m or 63.0 ft.lbs) @ 3200 RPM
- Gearbox
- 4-speed
- Engine Type
- Panhead V-twin engine
- Fuel System
- Carburettor
- Bore X Stroke
- 87.0 x 102.0 mm (3.4 x 4.0 inches)
- Compression
- 7.0:1
- Displacement
- 1212.72 ccm (74.00 cubic inches)
- Cooling System
- Air
- Engine Details
- V2, four-stroke
- Transmission Type Final Drive
- Chain
- Dry Weight
- 267.0 kg (588.6 pounds)
- Oil Capacity
- 3.80 litres (0.25 quarts)
- Fuel Capacity
- 14.19 litres (3.75 gallons)
- Power Weight Ratio
- 0.2060 HP/kg
- Seat
- Solo seat
- Wheels
- Wire spoked
- Rear Tyre
- 5.00-16
- Frame Type
- Steel wishbone
- Front Tyre
- 5.00-16
- Rear Brakes
- Expanding brake (drum brake)
- Front Brakes
- Expanding brake (drum brake)
- Rear Suspension
- Swingarm. Dual coil-over-shocks.
- Front Suspension
- Hydraulic telescopic forks