Back to Bike FinderYears: 1990 · 1989 · 1988 · 1987 · 1986 · 1985 · 1984 · 1983 · 1982 · 1981 · 1980 · 1979 · 1978
Benelli 900 Sei
1990Classic

Benelli 900 Sei

Key specifications

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

Overview

Introducing the 1990 Benelli 900 Sei, a true classic that stands as a testament to the innovative engineering and bold design that characterized the Italian motorcycle scene of the late 20th century. Nestled in the classic motorcycle category, the 900 Sei is not just a machine; it’s a statement of elegance and performance. With its unique in-line six-cylinder engine, it was a departure from the conventional twin and four-cylinder configurations commonly found in motorcycles of its time. Benelli aimed to carve out a niche for riders who craved an exhilarating ride coupled with a touch of Italian flair, and the 900 Sei delivers on both fronts. At the heart of the 900 Sei lies a remarkable 905cc in-line six-cylinder engine that churns out an impressive 80 horsepower at 8,300 RPM. This robust powerplant not only provides a thrilling acceleration but also delivers smooth, linear power throughout the rev range. Riders can expect a top speed of nearly 120 mph, making highway cruising a delight. With a compression ratio of 9.5:1 and an air-cooling system, the engine offers a balance of performance and reliability, while the 5-speed gearbox ensures a responsive and engaging ride. The motorcycle's weight of 249 kg (549 lbs) might seem substantial, but it contributes to a planted feel, especially when navigating twisty roads or cruising at speed. The Benelli 900 Sei is not just about performance; it also boasts a host of features that enhance both comfort and safety. The dual disc front brakes provide excellent stopping power, instilling confidence in the rider, while the single disc rear brake complements the setup for well-rounded braking performance. The motorcycle’s fuel tank capacity of 17 liters (4.49 gallons) means fewer stops at the pump and more time enjoying the open road. The classic styling, complete with a distinctive headlamp design and a sleek silhouette, ensures that the 900 Sei turns heads wherever it goes, encapsulating the spirit of the era while still feeling fresh and modern. **

Pros

  • Unique Engine Configuration: The in-line six-cylinder engine offers a smooth power delivery and an exhilarating sound that sets it apart from most contemporary motorcycles.
  • Timeless Design: The classic styling combined with Italian craftsmanship makes the 900 Sei a standout in any collection.
  • Comfortable for Long Rides: A well-balanced chassis and ample fuel capacity make it suitable for longer journeys, providing both comfort and convenience.

Cons

  • Weight: At 249 kg, the 900 Sei can feel cumbersome compared to lighter sport bikes, especially at low speeds or during maneuvering.
  • Limited Parts Availability: As a classic motorcycle, sourcing replacement parts and accessories may be more challenging than for more mainstream models.
  • Performance in Modern Traffic: While it boasts respectable power, modern motorcycles offer advanced technology and performance metrics that can overshadow the 900 Sei in high-stakes traffic scenarios.

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
17.00 litres (4.49 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