The Harley-Davidson FL Duo Glide motorcycle specifications include a 1212.7 cc (74.00 cu in) engine, a 4-speed gearbox, and a listed weight of 267 kg (588.6 lb).
Key specifications
1958, 1959, 1961, 1962, 1963, 1964Model years
1,213 ccDisplacement
85.4 Nm @ 3,200 rpmTorque
267 kgDry weight
14.2 LFuel tank
1,500 mmWheelbase
Model years covered
195819591961196219631964
Year-specific specification changes
The 1958 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
Dry weight
19591964304 kg (670.2 lb)
Carrying capacity
1962Saddlebags
19631964Saddlebags. Rear rack.
How the Harley-Davidson FL Duo Glide compares
This compares the motorcycle with all Harley-Davidson models in this specifications database. The blue marker is this model and the grey line is the Harley-Davidson database average.
Displacement1,213 cc
Low 165 ccAverage 1,275 ccHigh 1,868 cc
Very close to the Harley-Davidson database average. Around the 40th percentile across Harley-Davidson models.
Fuel capacity14.2 L
Low 7.9 LAverage 17 LHigh 22.7 L
About 17% smaller than the Harley-Davidson database average. Around the 29th percentile across Harley-Davidson models.
This model Harley-Davidson database average
Harley-Davidson database percentile rankings
Percentiles show where this motorcycle sits across the Harley-Davidson specifications database. They are descriptive database rankings, not performance ratings.
Displacement40th
1,213 cc — larger displacement than about 40% of Harley-Davidson models.
Fuel capacity29th
14.2 L — larger than about 29% of Harley-Davidson fuel tanks in this database.
Mechanical overview
Engine layout snapshot
V2, four-stroke • 1,213 cc • Air cooled
Chassis snapshot
Wheelbase 1,500 mm
4-speed • Chain (final drive)
Additional useful specifications
| Engine oil |
SAE 50W |
| Engine oil capacity |
3.80 L (4.02 US qt) |
| Spark plug |
NGK R5670-5 |
| Chain links |
102.0 |
| Sprocket sizes |
22/51 (front/rear) |
| Bore/stroke ratio |
0.85:1 (Undersquare) |
Engine specifications
| Engine type |
V2, four-stroke |
| Displacement |
1212.7 cc (74.00 cu in) |
| Torque |
85.4 Nm (8.7 kgf-m or 63.0 ft.lbs) @ 3,200 rpm |
| Bore × stroke |
87.0 x 102 mm (3.4 x 4.0 inches) |
| Compression ratio |
7.0:1 |
| Cooling system |
Air |
| Fuel system |
Carburettor |
| Fuel control |
Overhead Valves (OHV) |
| Starter |
Kick |
| Engine oil |
SAE 50W |
| Oil capacity |
3.80 L (4.02 US qt) |
| Spark plugs |
NGK R5670-5 |
Transmission and drivetrain
| Gearbox |
4-speed |
| Final drive |
Chain (final drive) |
| Chain links |
102.0 |
| Sprockets |
22/51 (front/rear) |
Chassis and suspension
| Frame |
Steel wishbone |
| Front suspension |
Hydraulic telescopic forks |
| Rear suspension |
Swingarm. Dual coil-over-shocks. |
| Fork tube size |
41 mm (1.6 inches) |
Brakes, wheels and tires
| Front brakes |
Expanding brake (drum brake) |
| Rear brakes |
Expanding brake (drum brake) |
Dimensions and weight
| Dry weight |
267 kg (588.6 lb) |
| Wheelbase |
1,500 mm (59.1 inches) |
| Carrying capacity |
Optional soft saddlebags |
Fuel and emissions
| Fuel capacity |
14.19 L (3.75 US gal) |
Performance
| Power/weight ratio |
0.2060 hp/kg |
Electrical and instruments
| Electrical |
6 Volt battery. |
Other specifications
| Color options |
Black, red, blue |
| Seat |
Solo seat |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Harley-Davidson models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Harley-Davidson information before relying on them. Visit the official Harley-Davidson website.