
Benelli BN 251
Key specifications
Overview
Introducing the 2017 Benelli BN 251, a naked bike that brings an exciting blend of Italian styling and practical performance to the entry-level motorcycle segment. With its sharp lines, aggressive stance, and dynamic presence, the BN 251 is designed for both new riders looking to make their mark and seasoned enthusiasts who appreciate a compact, nimble ride. Positioned as an optimal choice for urban commuting and weekend jaunts, this motorcycle combines style, versatility, and a spirited riding experience, making it a standout in the crowded market of lightweight bikes. At the heart of the BN 251 lies a robust 249.20cc single-cylinder, four-stroke engine that delivers a punchy 25 horsepower at 9,000 RPM and 21.5 Nm of torque at 7,500 RPM. With a compression ratio of 11.2:1 and a smooth 6-speed gearbox, this machine is built for spirited acceleration and agility in city traffic. Riders can expect a thrilling response as they twist the throttle, thanks to the efficient fuel injection system and liquid cooling that ensures optimal performance, even on warmer days. The lightweight frame, weighing just 143 kg (315.3 lbs), offers a power-to-weight ratio of 0.1748 HP/kg, allowing for nimble handling and easy maneuverability that urban riders will find particularly appealing. The BN 251 is not just about raw performance; it also integrates several key features that enhance the riding experience. The trestle frame constructed from steel tubes provides durability without compromising weight, while the upside-down front forks and rear swing arm suspension with a central shock absorber ensure a smooth ride over various terrains. Stopping power is handled by single discs at both the front (280 mm) and rear (240 mm), giving riders confidence in their braking capabilities. Additionally, the electric starter and attractive color options—white, black, and red—make the BN 251 a stylish and convenient choice for daily riding. **
Pros
- Agile Handling: Lightweight design and compact dimensions make it perfect for city navigation.
- Stylish Design: Eye-catching aesthetics with a modern naked bike look that stands out on the road.
- User-Friendly Performance: The engine offers a great balance of power and efficiency, making it ideal for new riders.
Cons
- Limited Power for Highways: While great for city rides, the 25 HP may feel underwhelming for extended highway cruising.
- Suspension Travel: Shorter rear suspension travel may not absorb larger bumps as effectively as some competitors.
- Seat Comfort: The seat height of 795 mm may be challenging for shorter riders and may require additional comfort upgrades for longer rides.
Technical details
Source specification data
- Make
- Benelli
- Model
- BN 251
- Category
- Naked bike
- Starter
- Electric
- Color Options
- White, black, red
- Power
- 25.00 HP (18.2 kW)) @ 9000 RPM
- Clutch
- Wet clutch
- Torque
- 21.50 Nm (2.2 kgf-m or 15.9 ft.lbs) @ 7500 RPM
- Gearbox
- 6-speed
- Ignition
- CDI
- Fuel System
- Injection
- Bore X Stroke
- 72.0 x 61.5 mm (2.8 x 2.4 inches)
- Compression
- 11.2:1
- Displacement
- 249.20 ccm (15.21 cubic inches)
- Cooling System
- Liquid
- Engine Details
- Single cylinder, four-stroke
- Emission Details
- Euro 3, catalytic converter and oxygen sensors.
- Lubrication System
- Wet sump
- Valves Per Cylinder
- 4
- Transmission Type Final Drive
- Chain
- Dry Weight
- 143.0 kg (315.3 pounds)
- Seat Height
- 795 mm (31.3 inches) If adjustable, lowest setting.
- Fuel Capacity
- 17.00 litres (4.49 gallons)
- Overall Width
- 810 mm (31.9 inches)
- Overall Height
- 1,125 mm (44.3 inches)
- Overall Length
- 2,125 mm (83.7 inches)
- Ground Clearance
- 140 mm (5.5 inches)
- Power Weight Ratio
- 0.1748 HP/kg
- Reserve Fuel Capacity
- 3.50 litres (0.92 gallons)
- Rear Tyre
- 150/60-ZR17
- Frame Type
- Trestle in steel tubes
- Front Tyre
- 110/70-ZR17
- Rear Brakes
- Single disc
- Front Brakes
- Single disc
- Rear Suspension
- Rear swing arm with central rear shock absorber
- Front Suspension
- Upside-down forks
- Rear Wheel Travel
- 51 mm (2.0 inches)
- Front Wheel Travel
- 120 mm (4.7 inches)
- Rear Brakes Diameter
- 240 mm (9.4 inches)
- Front Brakes Diameter
- 280 mm (11.0 inches)