
Harley-Davidson FLH Duo Glide
Key specifications
Overview
The 1959 Harley-Davidson FLH Duo Glide stands as a testament to the golden age of American touring motorcycles, combining classic aesthetics with robust engineering to deliver an unforgettable riding experience. Positioned as a premium offering in Harley-Davidson's lineup, the FLH Duo Glide was designed for those who sought comfort on long rides without compromising on performance. Its sophisticated design features the iconic Harley flair, making it a sought-after model for both collectors and enthusiasts alike, who appreciate the raw beauty and history that accompany this vintage beast. At the heart of the FLH Duo Glide lies a powerful 1212.72 ccm (74.00 cubic inches) V2 engine, which produces a commendable 55 horsepower at 4800 RPM. With a compression ratio of 7.0:1 and a bore and stroke of 87.0 x 102.0 mm, the engine delivers robust torque and a distinctive rumble that only a Harley can provide. The four-speed gearbox allows for smooth transitions between gears, while the chain final drive offers reliable power delivery. Riders will appreciate the air-cooled system that keeps the engine performing well even on the hottest days, making the FLH Duo Glide an ideal companion for long-distance cruising. The hydraulic telescopic front forks, paired with a swingarm rear suspension featuring dual coil-over shocks, ensure a plush ride, effectively absorbing bumps and imperfections in the road, enhancing overall comfort. The 1959 FLH Duo Glide is not just about power; it’s also a showcase of thoughtful features and technology for its time. Equipped with an electric starter, this motorcycle makes firing up the engine a breeze, a luxury that was not commonplace in its era. Available in a palette of striking colors, including classic black, vibrant red, ocean blue, and retro turquoise, riders can choose a finish that reflects their personal style. The model's windscreen adds to the touring capability, reducing wind fatigue during long rides and enhancing overall aerodynamics. With a fuel capacity of 14.19 liters (3.75 gallons), riders can confidently embark on extended journeys without frequent stops for refueling. In the end, the 1959 Harley-Davidson FLH Duo Glide represents a harmonious blend of performance, comfort, and timeless style, making it a cherished piece of motorcycle history and a reliable companion for the open road.
Pros
- Comfortable Touring Experience: The combination of dual suspension and windscreen makes long rides enjoyable.
- Iconic Design: The classic Harley-Davidson aesthetics ensure it stands out in any crowd, attracting admiration from fellow enthusiasts.
- Reliable Performance: The robust V2 engine provides solid power and torque, making it suitable for highway cruising and city rides alike.
Cons
- Weight: At 304 kg (670.2 pounds), the FLH Duo Glide can feel heavy, especially at low speeds or during maneuvers.
- Limited Braking Technology: The drum brakes, while sufficient for the era, may not provide the stopping power that modern riders expect.
- Fuel Efficiency: With its older engine design, the FLH's fuel consumption may not match the efficiency of newer touring motorcycles, leading to more frequent gas stops.
Technical details
Source specification data
- Make
- Harley-Davidson
- Model
- FLH Duo Glide
- Category
- Touring
- Starter
- Electric
- Comments
- Windscreen
- .
- H
- models have higher compression then
- L
- .
- Electrical
- 6 Volt battery.
- Color Options
- Black, red, blue, turquoise
- Power
- 55.00 HP (40.1 kW)) @ 4800 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
- 304.0 kg (670.2 pounds)
- Oil Capacity
- 3.70 litres (0.24 quarts)
- Fuel Capacity
- 14.19 litres (3.75 gallons)
- Power Weight Ratio
- 0.1809 HP/kg
- Seat
- Solo seat
- Wheels
- Wire spoked
- Rear Tyre
- 5.00-16
- Frame Type
- Tubular cradle
- 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