The Benelli 654 Quattro Unknown is a sleek and powerful motorcycle that embodies the Italian spirit of style and performance. Its riding position is tailored for comfort, with forward-mounted footrests and slightly raised handlebars, making it perfect for long rides.
The engine, a 603.9cc four-stroke unit, boasts a claimed power output of 60 bhp at 8,700 rpm and produces torque from low revs, making it an agile and responsive machine on the road. The Dellorto carburettors ensure seamless fuel flow, while the Veglia instrumentation provides accurate readings.
Linked Moto-Guzzi front and rear brakes provide exceptional stopping power, complemented by a side-stand ignition cut out for added safety. Whether cruising or carving through twisties, the Benelli 654 Quattro Unknown is an unforgettable ride that will leave you yearning for more.
Key Specifications
Engine Type
Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder
Engine Capacity
603.9 cc / 36.9 cu in
Max Power
44.7 kw / 60 hp
Max Torque
5.1 Nm / 5.1 kgf-m / 37 ft-lb @ 7000 rpm
Fuel Tank Capacity
3.2 US gallons / 12.0 L
Weight (Wet/Kerb)
420 lbs / 190.5 kg
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
Benelli654Quattro Unknown
Year
1980
Engine
Engine Type
Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder
Displacement
603.9 cc / 36.9 cu in
Bore x Stroke
60 x 53.4 mm
Compression Ratio
9.3:1
Max Horsepower
44.7 kw / 60 hp
Max Torque
5.1 Nm / 5.1 kgf-m / 37 ft-lb @ 7000 rpm
Engine Management System
4 x 22mm Dell’Orto carbs
Cooling System
Air cooled
Performance
Top Speed
185 km/h / 115 mph
*n/a – information not provided by manufacturer
Transmission
Clutch
Wet sump
Gearbox
5 Speed
Final Drive
Chain
Electrical & Electronics System
Starter
Electric
Chassis & Suspension
Front Suspension
Tele-hydraulic forks
Rear Suspension
Swinging arm, adjustable shocks
Wheels & Brakes
Front Tire Size
3.25 -18
Rear Tire Size
3.50 -18
Front Brakes
2 x 265 mm discs
Rear Brakes
Single 260 mm disc
Dimension & Weights
Fuel Tank Capacity
3.2 US gallons / 12.0 L
Wet (kerb/curb) Weight
420 lbs / 190.5 kg
Features
Forward-mounted footrests
Slightly raised handlebars
Stepped, wide seat with hard compound
Comfortable riding position
No handlebar fairing
Deeper seat with grab rail
Integral rear light with mudguard
Rectangular indicators
Larger instrument console with voltmeter and warning lights
Linked Moto-Guzzi front and rear brakes
Side-stand ignition cut out
603.9cc displacement
Single overhead camshaft chain driven from crankshaft
Hy-vo-type primary drive chain
Screw-adjustable rockers for valve operation
Coil and twin contact breaker ignition
Four Dellorto carburettors
Claimed power output of 60 bhp at 8,700 rpm
Know someone who’d find this useful? Share this page with a friend, your riding club or your favourite motorcycle community.
Explore our collection of Benelli motorcycles for detailed specifications and model information. Or browse all motorcycle manufacturers.
*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com
