Harley-Davidson Forty-Eight - 2021 Specifications and Reviews
The 2021 Harley-Davidson Forty-Eight is a lightweight custom cruiser powered by the iconic 1202cc Evolution V-twin engine, delivering 65 horsepower and strong low-end torque. Built for riders seeking classic style with modern reliability, it excels as an accessible entry point into the Harley cruiser lineup. Known for its minimalist design, nimble handling, and authentic bobber aesthetic, the Forty-Eight combines vintage appeal with contemporary fuel injection technology.
2021
General information | |
| Category | Custom / cruiser |
| Year | 2021 |
| Model | Harley-Davidson Forty-Eight |
| | |
Engine and Transmission Specifications | |
| Exhaust system | Black, staggered exhaust with slash-cut mufflers |
| Greenhouse gases | 113.7 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 4.90 litres/100 km (20.4 km/l or 48.00 mpg) |
| Driveline | 38/57 ratio |
| Clutch | Multi-plate with diaphragm spring in oil bath |
| Transmission type | Belt (final drive) |
| Gearbox | 6-speed |
| Cooling system | Air |
| Lubrication system | Dry sump |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection. Electronic Sequential Port Fuel Injection |
| Bore x Stroke | 88.9 x 96.8 mm (3.5 x 3.8 inches) |
| Compression | 10.0:1 |
| Torque | 99.0 Nm (10.1 kgf-m or 73.0 ft.lbs) @ 3500 RPM |
| Power | 65.0 HP (47.4 kW) @ 6000 RPM |
| Engine details | Evolution® engine |
| Engine type | V2, four-stroke |
| Capacity: | 1202.0 ccm (73.35 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Black, Split 9-Spoke Cast Aluminum with Machined Highlights |
| Rear brakes | Single disc. Single-piston. Optional ABS. |
| Front brakes | Single disc. Dual-piston. Optional ABS. |
| Rear tire | 150/80-B16 |
| Front tire | 130/90-B16 |
| Rear Suspension | Twin shocks |
| Front Suspension | Telescopic fork |
| Trail | 135 mm (5.3 inches) |
| Rake (fork angle) | 30.2° |
| | |
Physical measures and capacities | |
| Oil capacity | 2.80 litres (2.96 US quarts) |
| Fuel capacity | 7.90 litres (2.09 US gallons) |
| Wheelbase | 1495 mm (58.9 inches) |
| Ground clearance | 110 mm (4.3 inches) |
| Overall length | 2164 mm (85.2 inches) |
| Alternate seat height | 711 mm (28.0 inches) If adjustable, highest setting. |
| Seat height | 665 mm (26.2 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.2632 HP/kg |
| Weight incl. oil, gas, etc | 252.0 kg (555.6 pounds) |
| Dry weight | 247.0 kg (544.5 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, low fuel warning, low battery, security system (optional) |
| Instruments | Handlebar-mounted electronic speedometer with odometer, time-of-day clock, dual tripmeter, low fuel warning light, low oil pressure light, engine diagnostics readout, LED indicator lights |
| Starter | Electric |
| Color options | Vivid Black, Midnight Crimson Red, Billiard Teal |
Performance Profile & Rider Fit
65 hp
Peak Power
5.5s
0-60 mph
Best For
Track10%
City65%
Cornering35%
Daily Riding55%
Touring30%
Passenger25%
Rider Profile
| Best For | Best suited to riders who already have some experience with heavy, low-slung cruisers due to its weight and limited cornering clearance. |
| Purpose | Built for short, stylish cruising and boulevard riding rather than outright performance or distance touring. |
| Rider Fit | The very low seat height makes it approachable for shorter riders, though its weight requires some strength at low speed and in tight maneuvers. |
| Character | A classic bobber-styled Harley cruiser that delivers strong low-end torque, relaxed cruising feel, and unmistakable custom presence rather than outright speed. |
| Not Ideal For | Not a good fit for riders seeking long-distance touring comfort, aggressive cornering ability, or off-road capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
Total comments: 1

MotorcycleDB Review
The 2021 Harley-Davidson Forty-Eight is a stunning motorcycle that offers a unique blend of retro style and modern performance. With its iconic peanut fuel tank, wide handlebars, and fat tires, this bike certainly stands out on the road. The 1200cc Evolution engine provides plenty of power, while the low-slung solo seat and slammed suspension make for a comfortable and confident ride. Whether you're cruising through city streets or hitting the open highway, the Forty-Eight delivers an exhilarating experience that is sure to turn heads. Overall, the 2021 Harley-Davidson Forty-Eight is a fantastic choice for riders who are looking for a bold and distinctive bike with impressive performance. Its combination of classic design elements and cutting-edge technology make it a standout in the world of motorcycles. With its powerful engine, comfortable ride, and unmistakable style, the Forty-Eight is a machine that truly embodies the spirit of the Harley-Davidson brand. If you're in the market for a motorcycle that is as much a work of art as it is a mode of transportation, the 2021 Forty-Eight is definitely worth considering.Add a Comment
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