1991Harley-Davidson FXSTC 1340 Softail Custom

18 fields on record

The 1991 Harley-Davidson FXSTC 1340 Softail Custom is a classic cruiser built for riders seeking authentic American motorcycle styling with hidden rear suspension comfort. Its air-cooled 1340cc V-twin engine delivers accessible power while the rigid-look frame design and premium custom aesthetics define its character. Known for blending retro cruiser appeal with practical everyday rideability, it suits traditionalists prioritizing style and heritage.

Capacity: 1331.0 ccm
Engine: V-Twin
Gearbox: 5-speed
Wet weight: 298.0 kg
Seat height: Not on record
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Power: 49.0 HP (36.0 kW) @ 5000 RPM

⇄ Compare with another bike ＋ Add to garage All model years ⚠ Recalls listed (1)

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 (36.0 kW) @ 5000 RPM
Engine type: V-Twin
Power/weight ratio: 0.1644 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

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 cc	1337 cc	1331 cc	1331 cc	1337 cc
Fuel capacity	19 L	20 L	20 L	20 L	20 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Safety Recalls

⚠ 1 recall may apply

ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAYDec 1992 · 92V180000

THE STARTER RELAY MAY SHORT CIRCUIT WHEN THE VEHICLE IS PARKED.

Risk: THE SHORT CIRCUIT IN THE STARTER RELAY MAY DEVELOP ENOUGHHEAT TO CAUSE A FIRE IN THE RELAY, OTHER PARTS OF THE MOTORCYCLE, AND OTHERITEMS IN THE SURROUNDING AREA.

Remedy: REPLACE THE STARTER RELAY.

These recalls cover some 1991 bikes of this model. Whether one applies to a specific bike, and whether the repair has already been done, depends on its VIN — check your VIN with NHTSA or ask a dealer.

Source: NHTSA. View all Harley-Davidson recalls →

Rider Reviews

4.8

★★★★★

Rider rating

MotorcycleDB

The 1991 Harley-Davidson FXSTC 1340 Softail Custom is a classic motorcycle known for its sleek design and powerful engine. With its 1340cc V-twin engine, this bike delivers an exhilarating ride and a deep, rumbling exhaust note that is sure to turn heads on the road. The Softail Custom also features a comfortable, low-slung seat and wide handlebars, making it a joy to ride for long distances. Its chrome accents and distinctive paint options add to its overall appeal, making it a timeless choice for motorcycle enthusiasts.

Overall, the 1991 Harley-Davidson FXSTC 1340 Softail Custom is an iconic motorcycle that combines style, performance, and comfort. With its powerful engine and classic design, it is a standout choice for riders who value both form and function in their motorcycle. Whether you're cruising around town or hitting the open road, the Softail Custom delivers a memorable riding experience that is truly one-of-a-kind. For those looking for a vintage motorcycle with modern performance, the 1991 Harley-Davidson FXSTC 1340 Softail Custom is a top contender.

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