What category is the 1983 Harley-Davidson FXST 1340 Softail?

The 1983 Harley-Davidson FXST 1340 Softail has a Category of Prototype / concept model.

What is the engine size of the 1983 Harley-Davidson FXST 1340 Softail?

The 1983 Harley-Davidson FXST 1340 Softail has a Capacity: of 1337.00 ccm (81.58 cubic inches).

What type of engine does the 1983 Harley-Davidson FXST 1340 Softail have?

The 1983 Harley-Davidson FXST 1340 Softail has a Engine type of V2.

What is the engine power of the 1983 Harley-Davidson FXST 1340 Softail?

The 1983 Harley-Davidson FXST 1340 Softail has a Power of 64.00.

Is the 1983 Harley-Davidson FXST 1340 Softail air cooled or liquid cooled?

The 1983 Harley-Davidson FXST 1340 Softail has a Cooling system of Air.

How many gears does the 1983 Harley-Davidson FXST 1340 Softail have?

The 1983 Harley-Davidson FXST 1340 Softail has a Gearbox of 4-speed.

How much does the 1983 Harley-Davidson FXST 1340 Softail weigh?

The 1983 Harley-Davidson FXST 1340 Softail has a Weight incl. oil, gas, etc of 298.0 kg (657.0 pounds).

What is the top speed of the 1983 Harley-Davidson FXST 1340 Softail?

The 1983 Harley-Davidson FXST 1340 Softail has a Top speed of 174.0 km/h (108.1 mph).

Harley-Davidson FXST 1340 Softail - 1983 Specifications and Reviews

Name: 1983 Harley-Davidson FXST 1340 Softail
Brand: Harley-Davidson
Rating: 2 (1 reviews)

The 1983 Harley-Davidson FXST 1340 Softail prototype introduced the iconic hidden rear suspension design that revolutionized cruiser styling. This 64-horsepower V-twin appeals to riders seeking classic aesthetics with modern comfort. The Softail's innovative rear suspension and lightweight 298kg frame established the foundation for one of Harley's most successful and enduring motorcycle lineups.

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1983

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General information
Category	Prototype / concept model
Year	1983
Model	Harley-Davidson FXST 1340 Softail

Engine and Transmission Specifications
Transmission typefinal drive	Chain
Gearbox	4-speed
Cooling system	Air
Fuel control	OHV
Valves per cylinder	2
Bore x stroke	88.8 x 108.0 mm (3.5 x 4.3 inches)
Compression	8.5:1
Power	64.00
Stroke	4
Engine type	V2
Capacity:	1337.00 ccm (81.58 cubic inches)
Physical measures and capacities
Weight incl. oil, gas, etc	298.0 kg (657.0 pounds)
Harley-Davidson FXST 1340 Softail dimensions and frame
Rear brakes	Single disc
Front brakes	Single disc
Rear tyre dimensions	MT 90-16
Front tyre dimensions	MH 90-21
Speed and acceleration
Top speed	174.0 km/h (108.1 mph)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity	19.00 litres (5.02 gallons)

Performance Profile & Rider Fit

49 hp

Peak Power

7.5s

0-60 mph

108.1 mph

Top Speed

Best For

Track5%

City45%

Cornering30%

Daily Riding55%

Touring55%

Passenger55%

Rider Profile

Best For	Best suited to riders who already have some experience with heavy, low-slung cruisers and want a classic Softail feel rather than outright performance.
Purpose	Built for relaxed, low-rpm cruising and boulevard presence rather than speed, agility, or long-distance efficiency.
Rider Fit	The low seat height and wide, heavy chassis make it manageable at a stop but demand deliberate effort at low speeds and in tight maneuvers due to its substantial weight.
Character	A classic torque-driven V-twin cruiser with a laid-back, thumping character that rewards smooth, unhurried riding over aggressive throttle inputs.
Not Ideal For	Not a good fit for riders seeking sharp cornering, quick acceleration, or any kind of off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.