Harley-Davidson FXST 1340 Softail - 1990 Specifications and Reviews

The 1990 Harley-Davidson FXST 1340 Softail is a classic custom cruiser built for riders seeking authentic American motorcycle heritage and style. Powered by a 1340cc air-cooled V-twin engine producing 49 horsepower, it delivers predictable, low-end torque ideal for leisurely riding. Best known for its hidden rear suspension and timeless design, the Softail appeals to cruiser enthusiasts valuing comfort and iconic appearance over raw performance.

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General information

CategoryCustom / cruiser
Year1990
ModelHarley-Davidson FXST 1340 Softail

Engine and Transmission Specifications

Transmission type,final driveBelt
Gearbox5-speed
Cooling systemAir
Fuel controlOHV
Valves per cylinder2
Bore x stroke88.8 x 108.0 mm (3.5 x 4.3 inches)
Compression8.5:1
Power49.00
Engine typeV2, four-stroke
Capacity:1337.00 ccm (81.58 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Front brakesSingle disc
Rear tyre dimensionsMT 90-16
Front tyre dimensionsMH 90-19
 
 

Physical measures and capacities

Fuel capacity20.00 litres (5.28 gallons)
Weight incl. oil, gas, etc290.0 kg (639.3 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

49 hp
Peak Power
7.5s
0-60 mph

Best For

Track5%
City45%
Cornering30%
Daily Riding55%
Touring55%
Passenger55%

Rider Profile

Best ForBest suited to riders who already have some experience with heavy, low-slung cruisers and want a classic Softail feel rather than outright performance.
PurposeBuilt for relaxed, low-rpm cruising and boulevard presence rather than speed, agility, or long-distance efficiency.
Rider FitThe 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.
CharacterA classic torque-driven V-twin cruiser with a laid-back, thumping character that rewards smooth, unhurried riding over aggressive throttle inputs.
Not Ideal ForNot 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.

Rider Reviews

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