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Benelli · 2017–2020

2017 Benelli BN 251

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2017 Benelli BN 251
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Specifications

Category
Naked bike
Displacement
249.2 ccm (15.21 cubic inches)
Displacement (cc)
249.20
Engine details
Single cylinder, four-stroke
Power
25.0 HP (18.2 kW) @ 9000 RPM
Torque
21.5 Nm (2.2 kgf-m or 15.9 ft.lbs) @ 7500 RPM
Compression
11.2:1
Bore × stroke
72.0 x 61.5 mm (2.8 x 2.4 inches)
Valves/cyl
4.0
Fuel system
Injection
Fuel control
Double Overhead Cams/Twin Cam (DOHC)
Ignition
CDI
Lubrication
Wet sump
Cooling
Liquid
Gearbox
6-speed
Transmission
Chain (final drive)
Clutch
Wet clutch
Frame
Trestle in steel tubes
Front suspension
Upside-down forks
Front travel
120 mm (4.7 inches)
Rear suspension
Rear swing arm with central rear shock absorber
Rear travel
51 mm (2.0 inches)
Front tyre
110/70-ZR17
Rear tyre
150/60-ZR17
Front brakes
Single disc
Front brake Ø
280 mm (11.0 inches)
Rear brakes
Single disc
Rear brake Ø
240 mm (9.4 inches)
Dry weight
143.0 kg (315.3 pounds)
Seat height
795 mm (31.3 inches) If adjustable, lowest setting.
Height
1125 mm (44.3 inches)
Length
2125 mm (83.7 inches)
Width
810 mm (31.9 inches)
Wheelbase
1400 mm (55.1 inches)
Fuel capacity
17.00 litres (4.49 US gallons)
Colours
White, black, red
Starter
Electric

The 2017 Benelli BN 251

2017 Benelli BN 251 sits in the Chinese-built Italian brand's small-displacement naked bike range, aimed at new riders and commuters rather than anyone chasing outright performance. This is a lightweight, approachable quarter-liter machine built for city streets and daily commuting duties, not highway blasting. The low seat height makes it friendly for shorter riders and those new to two wheels, while the chain-driven setup keeps maintenance familiar and affordable. Power delivery is smooth and linear rather than aggressive, rewarding relaxed, upright riding through town rather than aggressive cornering or high-speed touring. The 2017 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 2016 example should focus on mileage, service history, and condition rather than spec differences. This is a bike for first-time motorcyclists, budget-conscious commuters, or riders downsizing from something larger and looking for cheap running costs. Collector interest in the 2017 Benelli BN 251 remains minimal, so values track condition and usability rather than rarity. Anyone shopping this model should prioritize a clean maintenance record and evidence of regular servicing over chasing a specific year, since mechanical consistency across the range means there's little upside in hunting for particular model-year quirks.

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