| Attribute | Value |
| General |
| Production from | 1958 year |
| Make | Harley-Davidson |
| Model | Harley-Davidson FL Duo Glide |
| Category | Touring |
| Engine and transmission |
| Engine type | V2, four-stroke |
| Valves per cylinder | Add |
| Fuel system | Carburettor |
| Engine details | Panhead V-twin engine |
| Displacement | 1212.7 cm³ |
| Power | 40.1 kw |
| Max RPM | Add |
| Fuel consumption | Add |
| Cooling system | Air |
| Transmission type,final drive | Chain |
| Torque | 85.4 Nm |
| Bore | 87 mm |
| Stroke | 102 mm |
| Gearbox | 4-speed |
| Greenhouse gases | Add |
| Fuel control | Overhead Valves (OHV) |
| Emission details | Add |
| Driveline | Add |
| Ignition | Add |
| Clutch | Add |
| Lubrication system | Add |
| Compression | 7.0:1 |
| Exhaust system | Add |
| Chassis |
| Front suspension | Hydraulic telescopic forks |
| Rear suspension | Swingarm. Dual coil-over-shocks. |
| Front brakes | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) |
| Diameter | Add |
| Frame type | Steel wishbone |
| Front tyre | 5.00-16 |
| Rear tyre | 5.00-16 |
| Seat | Solo seat |
| Wheels | Wire spoked |
| Front wheel travel | Add |
| Rear wheel travel | Add |
| Trail | Add |
| Rake (fork angle) | Add |
| Other |
| Battery capacity | Add |
| Starter | Kick |
| Color options | |
| Carrying capacity | Optional soft saddlebags |
| Light | Add |
| Instruments | Add |
| Electrical Voltage | 6 V |
| Dimensions |
| Wheelbase | 1,500 mm |
| Kerb weight | Add |
| Dry weight | 267 kg |
| Power/weight ratio | 0.1502 |
| Overall height | Add |
| Overall length | Add |
| Overall width | Add |
| Seat height | Add |
| Alternate seat height | Add |
| Ground clearance | Add |
| Front percentage of weight | Add |
| Rear percentage of weight | Add |
| Performance |
| Top speed | Add |
| Acceleration 0-100 km/h | Add |
| Length | Add |
| Reserve fuel capacity | Add |
| Fuel capacity | 14.19 l |
| Oil capacity | 3.8 l |
| Width | Add |
| Height | Add |