Back to Bike FinderYears: 1964 · 1963 · 1962 · 1961 · 1959 · 1958
Harley-Davidson FL Duo Glide
1963Touring

Harley-Davidson FL Duo Glide

Key specifications

Engine
1213 cc
Power
55 HP
Weight
304 kg
Fuel type
petrol
Fuel capacity
3.8 L
Transmission
4-speed
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

Introducing the 1963 Harley-Davidson FL Duo Glide, a motorcycle that epitomizes the golden age of American touring bikes. With its iconic design and robust engineering, the Duo Glide captured the hearts of enthusiasts and long-distance riders alike, carving out a prominent place in Harley-Davidson's storied history. This motorcycle is not just a mode of transportation; it's a symbol of freedom, adventure, and the open road, designed to deliver a superior riding experience while embodying the rugged spirit of the era. At the heart of the FL Duo Glide lies a powerful V2, four-stroke engine boasting a displacement of 1212.72 ccm (74 cubic inches) and generating an impressive 55 horsepower at 7200 RPM. This engine is paired with a smooth 4-speed gearbox, allowing riders to effortlessly cruise at a top speed of 160 km/h (99.4 mph). The engine’s 7.0:1 compression ratio and traditional carburetor fuel system deliver that classic Harley rumble, while the air cooling keeps it running efficiently on those lengthy rides. Riders can expect a planted feel due to the motorcycle's weight of 304 kg (670 pounds), which, combined with the dual coil-over-shocks in the rear suspension and hydraulic telescopic forks up front, offers a comfortable and stable ride even on less-than-perfect roads. The FL Duo Glide is adorned with several key features that enhance both its functionality and aesthetic appeal. A tubular cradle frame provides the necessary rigidity for long-distance travel, while its expanding drum brakes, both front and rear, offer reliable stopping power in a classic format. The inclusion of a windscreen not only elevates the bike’s touring credentials but also improves rider comfort by deflecting wind and debris. With a fuel capacity of 14.19 liters (3.75 gallons), the Duo Glide is ready for those lengthy journeys into the unknown, ensuring that the adventure never has to end prematurely. The 1963 Harley-Davidson FL Duo Glide is not just a motorcycle; it’s a piece of history that continues to inspire riders with its timeless charm and robust performance, inviting you to embrace the open road with every twist of the throttle.

Pros

  • Classic Design: The FL Duo Glide boasts an iconic aesthetic that embodies the essence of American motorcycling, making it a standout on the road.
  • Powerful Performance: With 55 HP available at high RPMs, this motorcycle delivers a punchy yet smooth ride, perfect for both cruising and spirited outings.
  • Comfortable Touring Features: Equipped with a windscreen and a capable suspension system, it offers a comfortable ride for long distances.

Cons

  • Heavy Weight: At 304 kg, the Duo Glide can feel cumbersome at low speeds, which may be a challenge for novice riders.
  • Drum Brakes: While classic, the drum brake system may not provide the same stopping power or responsiveness as modern disc brakes.
  • Kick Start Only: The absence of an electric start may be a drawback for those accustomed to the convenience of modern ignition systems.

Technical details

Source specification data

Make
Harley-Davidson
Model
FL Duo Glide
Category
Touring
Starter
Kick
Comments
Windscreen
Electrical
6 Volt battery.
Carrying Capacity
Saddlebags. Rear rack.
Power
55.00 HP (40.1 kW)) @ 7200 RPM
Gearbox
4-speed
Top Speed
160.0 km/h (99.4 mph)
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)
Fuel Capacity
14.19 litres (3.75 gallons)
Power Weight Ratio
0.1809 HP/kg
Seat
Solo seat
Wheels
Wire spoked. Whitewall tyres.
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