Harley-Davidson Softail Slim - 2015 Specifications and Reviews
The 2015 Harley-Davidson Softail Slim is a lightweight cruiser that delivers classic styling with modern performance, powered by a 77.78 HP Evolution engine. Its low 25.6-inch seat height and nimble handling make it ideal for riders seeking an accessible yet authentic Harley experience. Known for its stripped-down, minimalist aesthetic and heritage appeal, the Slim balances vintage charm with contemporary conveniences like electronic fuel injection and advanced instrumentation.
General information | |
| Category | Custom / cruiser |
| Year | 2015 |
| Model | Harley-Davidson Softail Slim |
Engine and Transmission Specifications | |
| Exhaust system | Chrome, over/under shotgun exhaust with slash-cut mufflers |
| Greenhouse gases | 129.9 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 5.60 litres/100 km (17.9 km/l or 42.00 mpg) |
| Driveline | Chain 34/46 ratio primary drive |
| Clutch | Multi-plate with diaphragm spring in oil bath |
| Transmission type,final drive | Belt |
| Gearbox | 6-speed |
| Cooling system | Air |
| Fuel system | Injection. Electronic Sequential Port Fuel Injection (ESPFI) |
| Bore x Stroke | 98.4 x 111.3 mm (3.9 x 4.4 inches) |
| Compression | 9.6:1 |
| Torque | 132.00 Nm (13.5 kgf-m or 97.4 ft.lbs) @ 3000 RPM |
| Power | 77.78 HP (56.8 kW) @ 5250 RPM |
| Engine details | Air-cooled, Twin Cam 103B™ |
| Engine type | V2, four-stroke |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | Black, Laced Steel |
| Rear brakes | Single disc. 2-piston |
| Front brakes | Single disc. ABS. 4-piston |
| Rear tyre | MU85-B16 |
| Front tyre | MT90-B16 |
| Trail | 147 mm (5.8 inches) |
| Rake (fork angle) | 31.0° |
Physical measures and capacities | |
| Oil capacity | 3.30 litres (0.22 quarts) |
| Fuel capacity | 18.93 litres (5.00 gallons) |
| Wheelbase | 1,636 mm (64.4 inches) |
| Ground clearance | 114 mm (4.5 inches) |
| Overall length | 2,350 mm (92.5 inches) |
| Seat height | 650 mm (25.6 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.2556 HP/kg |
| Weight incl. oil, gas, etc | 317.5 kg (700.0 pounds) |
| Dry weight | 304.4 kg (671.0 pounds) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Light | High beam, neutral, low oil pressure, turn signals, engine diagnostics, security system (optional), 6-speed, low fuel warnings |
| Instruments | Tank-mounted electronic speedometer with odometer, time-of-day clock on odometer, dual tripmeter, RPM/gear display, low fuel warning light and countdown feature, low oil pressure indicator light, engine diagnostics readout, LED indicator lights, 6-speed indicator light |
| Starter | Electric |
| Color options | Amber Whiskey/Vivid Black, Charcoal Satin/Vivid Black Satin, Radioactive Green, Superios Blue, Charcoal Satin, Sand Cammo Denim, Vivid Black. |
Performance Profile & Rider Fit
86 hp
Peak Power
5.2s
0-60 mph
Best For
Track10%
City45%
Cornering30%
Daily Riding55%
Touring55%
Passenger45%
Rider Profile
| Best For | Suits riders from newer intermediate to experienced who want a classic heavyweight cruiser rather than a beginner's first bike. |
| Purpose | Built for laid-back boulevard cruising and stylish weekend rides rather than outright performance. |
| Rider Fit | Low 648mm seat height makes it approachable for shorter riders, but nearly 305kg wet weight demands confident low-speed handling and strength when maneuvering it off the kickstand or in tight parking. |
| Character | A stripped-down, minimalist Softail with bobber styling, deep torque from the Milwaukee-Eight V-twin, and relaxed, low-slung ergonomics that reward smooth, unhurried riding. |
| Not Ideal For | Not for riders seeking sharp cornering agility, off-road capability, or a light, flickable machine for tight technical roads. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
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