Cruisers
1990Harley-Davidson FXST 1340 Softail
18 fields on record
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.
- Capacity
- 1337.0 ccm
- Engine
- V-Twin, four-stroke
- Gearbox
- 5-speed
- Wet weight
- 290.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 49.0 HP (36.0 kW) @ 5000 RPM
What’s new for the 1990 Harley-Davidson FXST 1340 Softail
vs the 1989| Spec | 1989 | 1990 |
|---|---|---|
| Power | 58.0 HP (42.7 kW) @ 5000 RPM | 49.0 HP (36.0 kW) @ 5000 RPM |
| Top speed | 170.0 km/h (105.6 mph) | not listed |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for relaxed, low-rpm cruising and boulevard presence rather than speed, agility, or long-distance efficiency.
- Built for
- 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.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 1337.0 ccm
- Power
- 49.0 HP (36.0 kW) @ 5000 RPM
- Engine type
- V-Twin, four-stroke
- Power/weight ratio
- 0.1690 HP/kg (wet)
- Bore x stroke
- 88.8 x 108.0 mm
- Compression
- 8.5:1
- Cooling system
- Air
- Valves per cylinder
- 2
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Belt
Dimensions & weight
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- MH 90-19
- Rear tyre
- MT 90-16
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 1983 | 1985 | 1987 | 1989 | 1990 | 1991 |
|---|---|---|---|---|---|---|
| Capacity | 1337 cc | 1337 cc | 1337 cc | 1337 cc | 1337 cc | 1337 cc |
| Fuel capacity | 19 L | 19 L | 19 L | 20 L | 20 L | 20 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Harley-Davidson FXST 1340 Softail?
The 1990 Harley-Davidson FXST 1340 Softail has a Capacity of 1337.0 ccm (81.59 cubic inches).
What engine power does the Harley-Davidson FXST 1340 Softail have?
The 1990 Harley-Davidson FXST 1340 Softail has a Power of 49.0 HP (36.0 kW) @ 5000 RPM.
How many gears does the Harley-Davidson FXST 1340 Softail have?
The 1990 Harley-Davidson FXST 1340 Softail has a Gearbox of 5-speed.
How much does the Harley-Davidson FXST 1340 Softail weigh?
The 1990 Harley-Davidson FXST 1340 Softail has a Wet weight of 290.0 kg (639.3 pounds).
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