
Harley-Davidson FL Duo Glide
Key specifications
Overview
### Introducing the 1959 Harley-Davidson FL Duo Glide The 1959 Harley-Davidson FL Duo Glide is a quintessential example of mid-20th-century American touring motorcycles. Steeped in heritage and known for its iconic styling, the Duo Glide represents the pinnacle of comfort and performance during an era when long-distance riding was gaining popularity. With its robust build and classic aesthetics, this motorcycle appeals to both vintage enthusiasts and collectors, making it a standout piece in any garage. The Duo Glide seamlessly blends the rugged spirit of Harley-Davidson with the technological advancements of its time, creating a ride that embodies the freedom of the open road. ### Engine Performance and Riding Characteristics Underneath its timeless façade lies a potent V2, four-stroke engine with a displacement of 1212.72 ccm (74 cubic inches) that churns out a respectable 55 HP at 7200 RPM. With a compression ratio of 7.0:1, this powerhouse delivers a smooth, reliable performance that allows riders to conquer highways with confidence. The bike’s 4-speed gearbox and chain final drive offer a responsive ride, enabling effortless gear transitions whether you're cruising down the boulevard or tackling winding backroads. The air-cooled engine, combined with the hydraulic telescopic front forks and swingarm rear suspension with dual coil-over shocks, ensures that the ride remains both comfortable and controlled, making it perfect for those long-distance journeys. ### Key Features and Technology The Duo Glide stands out not only for its performance but also for its thoughtful engineering and features. With a tubular cradle frame, the bike boasts a sturdy foundation that enhances stability and handling. The expanding drum brakes at both the front and rear provide reliable stopping power, a crucial aspect for touring rides. Riders will appreciate the 14.19-litre fuel tank, which caters to those who desire to wander without frequent stops for refueling. Additionally, the option of a windscreen adds a layer of comfort, reducing wind resistance during long rides. Available in striking colors like black, red, blue, and turquoise, the 1959 FL Duo Glide is as much a statement of style as it is a testament to the innovation of its time. ###
Pros
Cons
- Timeless Design: Classic styling that resonates with motorcycle enthusiasts and collectors.
- Comfortable Ride: Excellent suspension system provides a smooth and enjoyable ride, perfect for long-distance touring.
- Strong Performance: Powerful engine that delivers reliable performance, making highway cruising a breeze.
- Weight: At 304 kg (670 pounds), the Duo Glide can feel heavy, especially at low speeds or during maneuvering.
- Drum Brakes: While reliable, the drum brakes may not offer the responsiveness of modern disc brakes, particularly in emergency situations.
- Kick Start Only: The traditional kick starter may be less convenient for some riders, especially in comparison to electric start systems found on newer models.
Technical details
Source specification data
- Make
- Harley-Davidson
- Model
- FL Duo Glide
- Category
- Touring
- Starter
- Kick
- Comments
- Windscreen
- Electrical
- 6 Volt battery.
- Color Options
- Black, red, blue, turquoise
- Carrying Capacity
- Optional soft saddlebags
- Power
- 55.00 HP (40.1 kW)) @ 7200 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
- 3.80 litres (0.25 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