The Harley-Davidson FXST 1340 Softail motorcycle specifications include a 1,337 cc (81.58 cu in) engine, power of 64 hp (46.7 kW) @ 5,200 rpm, a 4-speed gearbox, and a listed weight of 298 kg (657 lb).
Key specifications
The 1983 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Harley-Davidson FXST 1340 Softail compares
This compares the motorcycle with all Harley-Davidson models in this specifications database. The blue marker is this model and the grey line is the Harley-Davidson database average.
Very close to the Harley-Davidson database average. Around the 57th percentile across Harley-Davidson models.
Very close to the Harley-Davidson database average. Around the 55th percentile across Harley-Davidson models.
Very close to the Harley-Davidson database average. Around the 41st percentile across Harley-Davidson models.
About 12% larger than the Harley-Davidson database average. Around the 79th percentile across Harley-Davidson models.
Harley-Davidson database percentile rankings
Percentiles show where this motorcycle sits across the Harley-Davidson specifications database. They are descriptive database rankings, not performance ratings.
64 hp — more powerful than about 57% of Harley-Davidson models with power data.
1,337 cc — larger displacement than about 55% of Harley-Davidson models.
298 kg — heavier than about 41% of Harley-Davidson models, or lighter than about 59%.
19 L — larger than about 79% of Harley-Davidson fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | MH 90-21 |
|---|---|
| Rear tire size | MT 90-16 |
| Power-to-weight ratio | 0.215 hp/kg |
| Power-to-weight | 214.8 hp/tonne |
| Specific power | 47.9 hp/L |
| Bore/stroke ratio | 0.82:1 (Undersquare) |
Model information
| Category | Prototype / concept model |
|---|
Engine specifications
| Engine type | V2, four-stroke |
|---|---|
| Displacement | 1,337 cc (81.58 cu in) |
| Power | 64 hp (46.7 kW) @ 5,200 rpm |
| Bore × stroke | 88.8 x 108 mm (3.5 x 4.3 inches) |
| Compression ratio | 8.5:1 |
| Valves per cylinder | 2.0 |
| Cooling system | Air |
| Fuel control | Overhead Valves (OHV) |
Transmission and drivetrain
| Gearbox | 4-speed |
|---|---|
| Final drive | Chain (final drive) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | MH 90-21 |
| Rear tire | MT 90-16 |
Dimensions and weight
| Wet weight | 298 kg (657 lb) |
|---|
Fuel and emissions
| Fuel capacity | 19.00 L (5.02 US gal) |
|---|
Performance
| Top speed | 174.0 km/h (108.1 mph) |
|---|
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Harley-Davidson models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Harley-Davidson information before relying on them. Visit the official Harley-Davidson website.