Cruisers

1990Harley-Davidson FXSTC 1340 Softail Custom

18 fields on record

The 1990 Harley-Davidson FXSTC 1340 Softail Custom is a classic American cruiser designed for riders seeking authentic styling with hidden rear suspension comfort. Powered by an 1331cc V-twin engine, it delivers characteristic low-end torque ideal for laid-back cruising. Best known for its timeless custom aesthetic and smooth belt-drive performance, it appeals to traditionalists who value heritage and easy handling.

Capacity: 1331.0 ccm
Engine: V -Twin twin, four-stroke
Gearbox: 5-speed
Wet weight: 298.0 kg
Seat height: Not on record
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Power: 49.0 HP

⇄ Compare with another bike All model years

What’s new for the 1990 Harley-Davidson FXSTC 1340 Softail Custom

vs the 1989

Spec	1989	1990
Engine capacity	1337.00 ccm (81.58 cubic inches)	1331.0 ccm (81.22 cubic inches)
Power	58.00 HP	49.0 HP
Top speed	167.0 km/h (103.8 mph)	not listed
Fuel capacity	20.00 litres (5.28 gallons)	20.00 litres (5.28 US gallons)

Other years 1987 1988 1989 1990 1991 1992

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail5%

Cornering30%

City riding45%

Daily riding55%

Touring55%

Two-up55%

Track10%

Best for: Built for laid-back boulevard cruising and show-worthy style rather than outright speed or sport handling.
Built for: A classic air-cooled Softail Custom with big V-twin thump, chrome-heavy styling, and a stretched-out, feet-forward cruising stance.
Not ideal for: Not for riders seeking quick acceleration, nimble cornering, or any off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Full specifications

Engine

Capacity: 1331.0 ccm
Power: 49.0 HP
Engine type: V -Twin twin, four-stroke
Power/weight ratio: 0.1644 HP/kg
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

Wet weight: 298.0 kg
Fuel capacity: 20.00 litres
Seat height: Not on record - add it
Dry weight: Not on record - add it

Brakes & wheels

Front brakes: Single disc
Rear brakes: Single disc
Front tyre: MH 90-21
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	1987	1988	1990	1991	1992
Capacity	1337.00 ccm (81.58 cubic inches)	1337.00 ccm (81.58 cubic inches)	1331.00 ccm (81.22 cubic inches)	1331.00 ccm (81.22 cubic inches)	1337.00 ccm (81.58 cubic inches)
Fuel capacity	19.00 litres (5.02 gallons)	20.00 litres (5.28 gallons)	20.00 litres (5.28 gallons)	20.00 litres (5.28 gallons)	20.00 litres (5.28 gallons)