14 August. Friday 2026
Benelli BN 251 - 2015 Specifications and Reviews
The 2015 Benelli BN 251 is an entry-level naked bike designed for new riders and daily commuters seeking an affordable, manageable machine. Its lightweight 150kg frame, low 780mm seat height, and modest power delivery make it accessible for inexperienced riders, while its practical fuel capacity and upright riding position suit urban commuting duties.
General information | |
| Category | Naked bike |
| Year | 2015 |
| Model | Benelli BN 251 |
| | |
Engine and Transmission Specifications | |
| Emission details | Euro 3 |
| Clutch | Wet clutch |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Wet sump |
| Ignition | CDI |
| Fuel system | Injection |
| Valves per cylinder | 4 |
| Bore x Stroke | 72.0 x 61.5 mm (2.8 x 2.4 inches) |
| Compression | 11.2:1 |
| Torque | 21.00 Nm (2.1 kgf-m or 15.5 ft.lbs) @ 7500 RPM |
| Power | 24.50 HP (17.9 kW) @ 9000 RPM |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 249.20 ccm (15.21 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 220 mm (8.7 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 280 mm (11.0 inches) |
| Front brakes | Single disc |
| Rear tyre | 140/60-17 |
| Front tyre | 110/70-17 |
| Rear wheel travel | 50 mm (2.0 inches) |
| Rear Suspension | Rear swing arm with central rear shock absorber |
| Front wheel travel | 120 mm (4.7 inches) |
| Front Suspension | Upside-down forks |
| Frame type | Steel trestle |
Physical measures and capacities | |
| Reserve fuel capacity | 3.50 litres (0.92 gallons) |
| Fuel capacity | 16.50 litres (4.36 gallons) |
| Wheelbase | 1,385 mm (54.5 inches) |
| Ground clearance | 130 mm (5.1 inches) |
| Overall width | 805 mm (31.7 inches) |
| Overall length | 2,080 mm (81.9 inches) |
| Overall height | 1,090 mm (42.9 inches) |
| Seat height | 780 mm (30.7 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.1633 HP/kg |
| Dry weight | 150.0 kg (330.7 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Starter | Electric |
| Color options | White, black |
Performance Profile & Rider Fit
25.8 hp
Peak Power
9.5s
0-60 mph
Best For
Track30%
City82%
Cornering65%
Daily Riding78%
Touring28%
Passenger35%
Rider Profile
| Best For | This bike suits beginner and novice riders who want a manageable, non-intimidating machine to build confidence on. |
| Purpose | It's built primarily for commuting and everyday city riding rather than outright performance or long-distance travel. |
| Rider Fit | Its low seat height and light weight make it accessible and easy to manage for riders of most sizes, including shorter riders. |
| Character | It has a lively, approachable personality with sporty naked-bike styling but modest single-cylinder performance. |
| Not Ideal For | It's not the right choice for riders seeking highway touring comfort, high-speed thrills, or off-road capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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