Harley-Davidson FXST 1340 Softail - 1988 Specifications and Reviews

The 1988 Harley-Davidson FXST 1340 Softail is a classic cruiser built for riders seeking authentic American style and heritage. Its air-cooled V-twin engine delivers reliable power while the innovative hidden rear suspension provides comfort without compromising the traditional hardtail aesthetic that made the Softail legendary.

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General information

CategoryCustom / cruiser
Year1988
ModelHarley-Davidson FXST 1340 Softail

Engine and Transmission Specifications

Transmission typefinal 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
Power58.00
Stroke4
Engine typeV2
Capacity:1337.00 ccm (81.58 cubic inches)

Physical measures and capacities

Weight incl. oil, gas, etc290.0 kg (639.3 pounds)
 
 

Harley-Davidson FXST 1340 Softail dimensions and frame

Rear brakesSingle disc
Front brakesSingle disc
Rear tyre dimensionsMT 90-16
Front tyre dimensionsMH 90-21

Speed and acceleration

Top speed170.0 km/h (105.6 mph)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity20.00 litres (5.28 gallons)

Performance Profile & Rider Fit

49 hp
Peak Power
7.5s
0-60 mph
105.6 mph
Top Speed

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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