Back to Bike FinderYears: 1978 · 1977 · 1976 · 1975 · 1974
Benelli 750 Sei
1977Sportbike

Benelli 750 Sei

Key specifications

Engine
747 cc
Power
58 HP
Fuel type
petrol
Fuel capacity
5.8 L
Transmission
5-speed
Front brakes
Dual disc
Rear brakes
Expanding brake

Overview

Introducing the 1977 Benelli 750 Sei: The Italian Six-Cylinder Sensation The 1977 Benelli 750 Sei stands as a remarkable testament to Italian engineering and design, a motorcycle that carved its niche in the burgeoning market of naked bikes during the late '70s. With its distinctive six-cylinder engine, the 750 Sei was not just a motorcycle; it was a statement. This bike broke new ground, showcasing a combination of power, elegance, and innovative technology that few of its contemporaries could match. While many manufacturers were still experimenting with twin or four-cylinder configurations, Benelli boldly stepped into the realm of the six-cylinder, creating a machine that would capture the hearts of enthusiasts and collectors alike. At the heart of the 750 Sei lies its impressive 747 cc in-line six engine, a marvel of engineering that churns out 58 horsepower at a thrilling 8,500 RPM. This powerful engine is paired with a 5-speed gearbox, allowing riders to experience a smooth and exhilarating ride. The bike's top speed of 180 km/h (111.8 mph) speaks volumes about its performance capabilities, making it a thrilling ride on both city streets and open highways. The air-cooled design, with a compression ratio of 9.8:1, ensures reliable power delivery while also maintaining a lightweight feel, enhancing its agility. With its well-balanced chassis and dual disc front brakes, the 750 Sei provides riders with responsive handling, instilling confidence in corners and during high-speed maneuvers. The 750 Sei is not just about raw power; it showcases a range of features that reflect the spirit of its time. Its elegant design, characterized by a minimalist naked bike aesthetic, is paired with practical amenities such as a generous 22-liter fuel tank that ensures long rides without frequent stops. The suspension is designed to deliver a comfortable yet engaging ride, whether navigating through urban landscapes or cruising along the coast. With a weight of 255 kg (562 pounds), the bike strikes a balance between stability and maneuverability, making it an enjoyable ride for both seasoned motorcyclists and newcomers alike. **

Pros

    Cons

    • Unique Engine Configuration: The six-cylinder engine offers a distinctive power delivery and smoothness that sets it apart from the competition.
    • Striking Design: Its naked bike styling and classic Italian aesthetic make it a head-turner on the road and a prized possession for collectors.
    • Comfortable Ride: With a well-balanced chassis and a generous fuel capacity, the 750 Sei is built for long-distance riding without sacrificing comfort.
    • Weight: At 255 kg, it may feel heavy for some riders, especially during low-speed maneuvers or in city traffic.
    • Maintenance Complexity: The unique engine configuration may pose challenges for maintenance and repairs, requiring specialized knowledge and parts.
    • Limited Availability: As a classic bike, finding parts or a well-maintained model can be challenging, making it less accessible for everyday riders.

    Technical details

    Source specification data

    Make
    Benelli
    Model
    750 Sei
    Category
    Naked bike
    Power
    58.00 HP (42.3 kW)) @ 8500 RPM
    Gearbox
    5-speed
    Top Speed
    180.0 km/h (111.8 mph)
    Bore X Stroke
    56.0 x 50.6 mm (2.2 x 2.0 inches)
    Compression
    9.8:1
    Displacement
    747.00 ccm (45.58 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
    255.0 kg (562.2 pounds)
    Rear Tyre
    120/90-18
    Front Tyre
    3.50-18
    Rear Brakes
    Expanding brake
    Front Brakes
    Dual disc