The Benelli BN 251 motorcycle was released in 2015 and features an inline twin, 4 stroke, 4 valves per cylinder, DOHC engine with a capacity of 249.2 cc (15.2 cu in). This liquid-cooled bike has a compression ratio of 11.2:1, 2-into-1 exhaust, and electronic fuel injection with a 37mm throttle body. The Delphi MT05 ignition and NGK CR8E spark plug provide a maximum power of 18 kW (24.5 hp) at 9000 rpm and maximum torque of 21 Nm (2.14 kgf-m / 15.5 lbs-ft) at 7000 rpm. The six-speed transmission and chain final drive make for a smooth ride. The steel trestle frame uses the engine as a stress member, with upside-down telescopic forks, 41mm front suspension, swingarm monoshock with 50mm rear travel, and aluminium alloy 12 spokes for the wheels. The front and rear disc brakes use four-piston and two-piston calipers, respectively. The bike is equipped with 110/70-ZR17 front and 140/60-ZR17 rear tyres, with dimensions of 2080 mm (81.9 in) in length, 805 mm (31.7 in) in width, and 1090 mm (42.9 in) in height. The wheelbase is 1385 mm (54.5 in), while the ground clearance is 130 mm (5.1 in), and the seat height is 780 mm (30.7 in). The dry weight of the vehicle is 150 kg (331 lbs), with a fuel capacity of 16.5 L (4.4 US gal) and a reserve of 3.5 L (0.9 US gal). The bike comes in white, red, and blue colours.
Technical specifications:
Make Model: Benelli BN 251
| Year | 2015 |
|---|---|
| Engine | Inline twin, 4 stroke, 4 valves per cylinder, DOHC |
| Capacity | 249.2 cc / 15.2 cu in |
| Bore x Stroke | 72 x 61.2 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 11.2:1 |
| Lubrication | Wet sump |
| Exhaust | 2-into-1, two catalytic converters and oxygen sensor |
| Induction | Electronic fuel injection with 37mm throttle body |
| Ignition | Delphi MT05 |
| Spark Plug | NGK CR8E |
| Starting | Electric |
| Max Power | 18 kW / 24.5 hp @ 9000 rpm |
| Max Torque | 21 Nm / 2.14 kgf-m / 15.5 lbs-ft @ 7000 rpm |
| Clutch | Wet |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Frame | Steel trestle in steel tubes, engine used as stress member |
| Front Suspension | Upside down telescopic forks, 41 mm |
| Front Wheel Travel | 120 mm / 4.7 in |
| Rear Suspension | Swingarm, monoshock |
| Rear Wheel Travel | 50 mm / 2.0 in |
| Front Brakes | Single 280 mm disc, 4-piston caliper |
| Rear Brakes | Single 240 mm disc, 2-piston caliper |
| Wheels | Aluminium alloy, 12 spoke |
| Front Rim | 3.5 x 17 |
| Rear Rim | 4.0 x 17 |
| Front Tyre | 110/70-ZR17 |
| Rear Tyre | 140/60-ZR17 |
| Dimensions | Length: 2080 mm / 81.9 in Width: 805 mm / 31.7 in Height: 1090 mm / 42.9 in |
| Wheelbase | 1385 mm / 54.5 in |
| Ground Clearance | 130 mm / 5.1 in |
| Seat Height | 780 mm / 30.7 in |
| Dry Weight | 150 kg / 331 lbs |
| Fuel Capacity | 16.5 L / 4.4 US gal |
| Reserve | 3.5 L / 0.9 US gal |
| Colours | White, Red, Blue |
