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.
General information | |
| Category | Classic |
| Year | 1991 |
| Model | Harley-Davidson FLST 1340 Heritage Softail |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Belt |
| Gearbox | 5-speed |
| Cooling system | Air |
| Fuel control | OHV |
| Valves per cylinder | 2 |
| Bore x stroke | 88.8 x 108.0 mm (3.5 x 4.3 inches) |
| Compression | 8.5:1 |
| Power | 49.00 |
| Stroke | 4 |
| Engine type | V2 |
| Capacity: | 1337.00 ccm (81.58 cubic inches) |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 298.0 kg (657.0 pounds) |
| | |
Harley-Davidson FLST 1340 Heritage Softail dimensions and frame | |
| Rear brakes | Single disc |
| Front brakes | Single disc |
| Rear tyre dimensions | MT 90-16 |
| Front tyre dimensions | MT 90-16 |
Speed and acceleration | |
| Fuel capacity | 13.00 litres (3.43 gallons) |
| | |
Other specs | |
| Maintenance | Find 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 For | This bike suits riders who are comfortable handling a heavy, low-revving classic cruiser rather than a first-time motorcyclist. |
| Purpose | It's built for relaxed cruising and boulevard riding where style and torque-driven presence matter more than outright speed. |
| Rider Fit | The low seat height and forward-set footpegs make it accessible for shorter riders, but the substantial 298 kg weight demands confident low-speed handling. |
| Character | It delivers a classic Harley experience with deep V-twin rumble, laid-back ergonomics, and unmistakable Softail styling. |
| Not Ideal For | This 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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