Harley-Davidson FLSTC 1340 Heritage Softail Classic - 1990 Specifications and Reviews
The 1990 Harley-Davidson FLSTC 1340 Heritage Softail Classic is a cruiser designed for riders seeking authentic Americana styling with modern comfort. Its air-cooled 1340cc V-twin engine delivers classic low-end torque ideal for leisurely highway cruising. Known for blending retro aesthetics with the Softail's hidden rear suspension, it appeals to traditionalists who value heritage and relaxed riding dynamics.
General information | |
| Category | Custom / cruiser |
| Year | 1990 |
| Model | Harley-Davidson FLSTC 1340 Heritage Softail Classic |
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 FLSTC 1340 Heritage Softail Classic 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
Best For
Rider Profile
| Best For | Best suited to riders who already have some experience with heavy, low-slung cruisers and want a classic Harley experience rather than outright performance. |
| Purpose | Built for relaxed boulevard cruising and laid-back highway touring rather than speed or sport riding. |
| Rider Fit | The substantial weight and low seat height make it manageable at a standstill but demand deliberate, unhurried inputs when maneuvering at low speed. |
| Character | A classic, heavy-cruiser personality with deep V-twin torque, relaxed ergonomics, and timeless retro styling over raw performance. |
| Not Ideal For | Not a good fit for riders seeking sharp cornering ability, quick acceleration, or any off-road capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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⚠ Safety Recalls (2)
THE SCREWS ISSUED IN A KIT TO MOUNT THE FENDER AND AN ACCESSORY FRONT BUMPER ONTO THE MOTORCYCLES CAN BREAK, CAUSING THE FENDER AND BUMPER TO LOOSEN AND POSSIBLY CONTACT THE FRONT TIRE.
Risk: CONTACT BETWEEN THE FENDER AND BUMPER AND THE FRONTTIRE MAY RESULT IN TIRE FAILURE AND POSSIBLE LOSS OF VEHICLE CONTROL.
Remedy: REPLACE THE SCREWS IN THE KITS WHICH ARE LOCATED AT DEALERSHIPS. OWNERS OF INSTALLED KITS WILL BE NOTIFIED TO HAVE THE MOUNTING SCREWS REPLACED.
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.
Source: NHTSA. View all Harley-Davidson recalls →
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