Harley-Davidson Sportster Forty-Eight - 2015 Specifications and Reviews

The 2015 Harley-Davidson Sportster Forty-Eight is a lightweight cruiser that appeals to riders seeking classic styling with modern reliability. Known for its low-slung stance, minimalist design, and nimble handling, it excels as an entry-level Harley or urban commuter. Its 250kg dry weight and responsive 1200cc engine make it ideal for both new and experienced riders valuing maneuverability and stripped-down aesthetic appeal.

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General information

CategoryCustom / cruiser
Year2015
ModelHarley-Davidson Sportster Forty-Eight

Engine and Transmission Specifications

Exhaust systemChrome, staggered shorty exhaust with dual slash-cut mufflers
Greenhouse gases113.7 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption4.90 litres/100 km (20.4 km/l or 48.00 mpg)
Driveline57/38 ratio
ClutchMulti-plate with diaphragm spring in oil bath
Transmission type,final driveBelt
Gearbox6-speed
Cooling systemAir
Lubrication systemDry sump
Fuel systemInjection. Electronic Sequential Port Fuel Injection (ESPFI)
Bore x Stroke88.9 x 96.8 mm (3.5 x 3.8 inches)
Compression9.7:1
Torque96.00 Nm (9.8 kgf-m or 70.8 ft.lbs) @ 5750 RPM
Power67.05 HP (48.9 kW) @ 3750 RPM
Engine detailsAir-cooled, Evolution®
Engine typeV2, four-stroke
 
 

Brakes, suspension, Frame and wheels

WheelsBlack, Laced Steel
Rear brakesSingle disc. Single-piston. Optional ABS.
Front brakesSingle disc. Dual-piston. Optional ABS.
Rear tyre150/80-B16
Front tyre150/80-16
Trail107 mm (4.2 inches)
 
 

Physical measures and capacities

Oil capacity2.60 litres (0.17 quarts)
Fuel capacity7.90 litres (2.09 gallons)
Wheelbase1,519 mm (59.8 inches)
Ground clearance99 mm (3.9 inches)
Overall length2,250 mm (88.6 inches)
Seat height660 mm (26.0 inches) If adjustable, lowest setting.
Power/weight ratio0.2673 HP/kg
Weight incl. oil, gas, etc259.9 kg (573.0 pounds)
Dry weight250.8 kg (553.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
LightHigh beam, neutral, low oil pressure, turn signals, engine diagnostics, low fuel warning, low battery, security system (optional)
Instruments4-inch Speedometer mounted low and integrated into handlebar clamp electronic speedometer with odometer, time-of-day clock on odometer, dual tripmeter, LED indicator lights
StarterElectric
Color optionsHard Candy Big Red Flake, Hard Candy Cancun Blue Flake, Vivid Black, Amber Whiskey, Charcoal Pearl

Performance Profile & Rider Fit

65 hp
Peak Power
5.5s
0-60 mph

Best For

Track10%
City65%
Cornering40%
Daily Riding55%
Touring30%
Passenger20%

Rider Profile

Best ForSuitable for beginner to intermediate riders who want a manageable, low-slung cruiser with classic V-twin character.
PurposeBuilt for short blasts, boulevard cruising, and style-focused riding rather than outright speed or long-distance touring.
Rider FitVery low seat height and low center of gravity make it easy for shorter riders to handle, though limited ground clearance and suspension travel require a relaxed, upright riding style.
CharacterA stripped-down, fat-tired custom cruiser that delivers punchy low-end torque, a thumping air-cooled V-twin soundtrack, and bold Dark Custom styling.
Not Ideal ForNot a good fit for riders seeking sport-bike agility, off-road capability, or a comfortable two-up long-distance tourer.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2015 Harley-Davidson Sportster Forty-Eight Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 660mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2015 Harley-Davidson Sportster Forty-Eight, with a cramped knee angle of around 70 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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