Benelli BN251

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Benelli BN251
Also called BN 251
Production 2015 - 2019
Class Naked
single cylinder, four-stroke
Bore / Stroke 72.0mm x 61.2mm
Compression ratio 11.2:1
Horsepower 25.21 HP (18.8 KW) @ 9250RPM
Torque 15.56 ft/lbs (21.1 Nm) @ 8000RPM
Ignition cdi
Transmission Gear box: 6-speed

Final Drive: chain

Clutch: wet
Suspension Front: 41mm upside-down forks
Rear: rear swing arm with central shock absorber
Brakes Front: single disc. abs
Rear: single disc. abs
Front Tire 110/70-zr17
Rear Tire 150/60-zr17
Wheelbase 55.12 inches (1400 mm)
Length 81.89 inches (2080 mm)
Width 31.89 inches (810 mm)
Height 44.29 inches (1125 mm)
Seat Height 31.3 inches (795 mm)
Weight 319.67 pounds (145.0 Kg) (dry), 163.0 kg (wet)
Fuel Capacity 4.49 Gallon (17.00 Liters)
Manuals Service Manual

The Benelli BN251 was a single cylinder, four-stroke Naked motorcycle produced by Benelli between 2015 and 2019. Max torque was 15.56 ft/lbs (21.1 Nm) @ 8000 RPM. Claimed horsepower was 25.21 HP (18.8 KW) @ 9250 RPM.

Engine[edit | edit source]

The engine was a liquid cooled single cylinder, four-stroke. A 72.0mm bore x 61.2mm stroke result in a displacement of just 249.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).

Drive[edit | edit source]

The bike has a 6-speed transmission. Power was moderated via the wet.

Chassis[edit | edit source]

It came with a 110/70-zr17 front tire and a 150/60-zr17 rear tire. Stopping was achieved via single disc. abs in the front and a single disc. abs in the rear. The front suspension was a 41mm upside-down forks while the rear was equipped with a rear swing arm with central shock absorber. The BN251 was fitted with a 4.49 Gallon (17.00 Liters) fuel tank. The bike weighed just 319.67 pounds (145.0 Kg). The wheelbase was 55.12 inches (1400 mm) long.

2016 Benelli BN 251[edit | edit source]

2016 Benelli BN 251 2016 Benelli BN 251

The 2016 MY Benelli BN 251 is an entry-level naked machine that is sure to appeal to novice and more seasoned riders alike. It comes with a dual seat, passenger grab rails, a blacked-out, under-belly exhaust system, blacked-out, 17", aluminum-alloy rims, an upside down telescopic fork as a front suspension coupled to an adjustable mono-shock in the rear, plus a small, nose-fairing with a small windscreen and a digital instrument panel.

In the tech/engine department, it sports a liquid-cooled, four-stroke, single cylinder powerplant paired to a six-speed manual transmission, and can produce a claimed 25 horsepower and 21 Nm of torque.