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Benelli 900 Sei
1978Classic

Benelli 900 Sei

Key specifications

Engine
905 cc
Power
80 HP
Fuel type
petrol
Fuel capacity
5.8 L
Transmission
5-speed
Front brakes
Dual disc
Rear brakes
Single disc

Overview

Introducing the 1978 Benelli 900 Sei, a motorcycle that represents a bold proclamation in the world of classic bikes. Born in the heart of Italy during a time when innovation and style converged, the 900 Sei is not just a motorcycle; it is a piece of engineering art. With its sleek lines and unmistakable presence, this bike carved a niche for itself in the market as one of the first production motorcycles to feature an in-line six-cylinder engine, setting it apart from the competition and drawing the admiration of enthusiasts and collectors alike. At the heart of the Benelli 900 Sei lies a 905 cc in-line six engine that delivers an impressive 80 horsepower at 8,300 RPM. The engine's unique configuration allows for a smooth and exhilarating power delivery, capable of reaching a top speed of 193 km/h (119.9 mph). Riders will appreciate the seamless operation of the 5-speed gearbox, which pairs effortlessly with the engine's robust performance, making every twist of the throttle an exciting experience. With a compression ratio of 9.5:1 and a bore and stroke of 60.0 x 53.4 mm, this classic bike offers not just power but also an exhilarating riding experience characterized by its stability and agility, making it a joy to navigate both winding roads and open highways. The Benelli 900 Sei is laden with thoughtful features that showcase advanced technology for its time. The dual disc front brakes provide impressive stopping power, ensuring rider confidence at high speeds, while the single disc rear brake enhances stability. The air-cooled engine is complemented by a sturdy frame that supports a weight of 249 kg (549 lbs), balancing the bike perfectly for a planted ride. Additionally, with a fuel capacity of 22 liters (5.81 gallons), riders can enjoy extended journeys without the constant worry of refueling, making it a practical choice for both casual rides and longer excursions. **

Pros

  • Unique Engine Configuration: The in-line six-cylinder engine sets the 900 Sei apart, offering a distinctive sound and smooth power delivery.
  • Impressive Performance: With 80 HP and a top speed of 193 km/h, this motorcycle delivers exhilarating performance that rivals more modern machines.
  • Classic Styling: The 1978 Benelli 900 Sei boasts an iconic design that appeals to classic motorcycle enthusiasts and collectors alike.

Cons

  • Weight: At 249 kg, the bike may feel bulky to some riders, especially when maneuvering at low speeds.
  • Limited Parts Availability: As a vintage machine, sourcing specific parts for repairs or restoration can be challenging.
  • Ride Comfort: The suspension setup, while solid, may not offer the same level of comfort as modern bikes, particularly on longer journeys.

Technical details

Source specification data

Make
Benelli
Model
900 Sei
Category
Classic
Power
80.00 HP (58.4 kW)) @ 8300 RPM
Gearbox
5-speed
Top Speed
193.0 km/h (119.9 mph)
Bore X Stroke
60.0 x 53.4 mm (2.4 x 2.1 inches)
Compression
9.5:1
Displacement
905.00 ccm (55.22 cubic inches)
Cooling System
Air
Engine Details
In-line six, four-stroke
Valves Per Cylinder
2
Transmission Type Final Drive
Chain
Fuel Capacity
22.00 litres (5.81 gallons)
Weight Incl Oil Gas Etc
249.0 kg (549.0 pounds)
Rear Tyre
120/90-18
Front Tyre
100/90-18
Rear Brakes
Single disc
Front Brakes
Dual disc