| MODEL | BENELLI BN 251 2015 - 2020 |
| Year | 2015 - 2020 |
| Engine Type | Four stroke, single cylinder, DOHC, 4 valve |
| Displacement / Capacity | 249.2 cc / 15.2 cu in |
| Bore X Stroke | 72 x 61.2 mm |
| Compression Ratio | 11.2:1 |
| Cooling System | Liquid cooled |
| Max Power | 18 kW / 24.5 hp @ 9000 rpm |
| Max Torque | 21 Nm / 15.5 lb-ft @ 7000 rpm |
| Ignition | Delphi MT05 |
| Induction | Electronic fuel injection, 37 mm throttle body |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 6 Speed |
| Clutch | Wet |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Steel trestle in steel tubes, engine used as stress member |
| Front Suspension | 41 mm upside down telescopic forks, 120 mm / 4.7 in travel |
| Rear Suspension | Swingarm, monoshock, 50 mm / 2.0 in travel |
| Front Brakes | Single 280 mm disc, 4-piston caliper |
| Rear Brakes | Single 240 mm disc, 2-piston caliper |
| DIMENSION SPECS | |
| Overall Length | 2080 mm / 81.9 in |
| Overall Width | 805 mm / 31.7 in |
| Overall Height | 1090 mm / 42.9 in |
| Seat Height | 780 mm / 30.7 in |
| Wheelbase | 1385 mm / 54.5 in |
| Ground Clearance | 130 mm / 5.1 in |
| Dry Weight | 150 kg / 331 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 110/70-ZR17 |
| Rear Tyre | 140/60-ZR17 |
| FUEL SYSTEM | |
| Fuel Capacity | 16.5 Litres / 4.4 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The BN 251 is a light, entry-level 250 cc naked bike styled like Benelli's bigger roadsters. Its single-cylinder fuel-injected engine is a stressed member of a steel trestle frame, paired with an upside-down fork and 17-inch alloy wheels, making it a cheap, economical and agile commuter.
