Harley-Davidson FLST 1340 Heritage Softail - 1991 Specifications and Reviews

The 1991 Harley-Davidson FLST 1340 Heritage Softail is a classic cruiser built for riders seeking authentic Harley character with modern comfort. Its air-cooled V-twin engine and hidden rear suspension deliver smooth cruising capability while maintaining traditional styling. Best known for blending retro aesthetics with reliable performance, it appeals to touring enthusiasts and nostalgic riders alike.

5 stars Average rating: 5 from 1 votes
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General information

CategoryClassic
Year1991
ModelHarley-Davidson FLST 1340 Heritage 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
Power49.00
Stroke4
Engine typeV2
Capacity:1337.00 ccm (81.58 cubic inches)

Physical measures and capacities

Weight incl. oil, gas, etc298.0 kg (657.0 pounds)
 
 

Harley-Davidson FLST 1340 Heritage Softail dimensions and frame

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

Speed and acceleration

Fuel capacity13.00 litres (3.43 gallons)
 
 

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

Track10%
City45%
Cornering30%
Daily Riding55%
Touring70%
Passenger65%

Rider Profile

Best ForThis bike suits riders who are comfortable handling a heavy, low-revving classic cruiser rather than a first-time motorcyclist.
PurposeIt's built for relaxed cruising and boulevard riding where style and torque-driven presence matter more than outright speed.
Rider FitThe low seat height and forward-set footpegs make it accessible for shorter riders, but the substantial 298 kg weight demands confident low-speed handling.
CharacterIt delivers a classic Harley experience with deep V-twin rumble, laid-back ergonomics, and unmistakable Softail styling.
Not Ideal ForThis is not the machine for riders seeking sharp cornering ability, high-speed thrills, or any 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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