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Benelli 900 Sei
1984Classic

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

### Introduction to the 1984 Benelli 900 Sei The 1984 Benelli 900 Sei stands as a remarkable testament to the innovative spirit of the Italian motorcycle manufacturer, renowned for designing machines that blend performance with style. Positioned in the sport touring category, the 900 Sei was one of the first production motorcycles to feature an in-line six-cylinder engine, setting it apart in an era dominated by more conventional configurations. With its sleek lines and distinctive presence, the 900 Sei appealed to riders looking for both thrilling performance and long-distance comfort, making it a unique offering in an increasingly competitive market. ### Engine Performance and Riding Characteristics At the heart of the 900 Sei lies a breathtaking 905cc in-line six-cylinder engine that produces a commendable 80 horsepower at 8,300 RPM. This powerplant, with its 9.5:1 compression ratio and a balanced bore and stroke of 60mm x 53.4mm, delivers a smooth, exhilarating ride. Riders can expect a top speed of nearly 120 mph (193 km/h), which, paired with the bike's 5-speed gearbox and chain final drive, offers a responsive and engaging acceleration experience. The air-cooled design contributes to the bike's reliability, while the dual disc front brakes and single disc rear ensure that the 549-pound machine can stop as confidently as it accelerates, making it a joy to ride on both winding roads and open highways. ### Key Features and Technology The 1984 Benelli 900 Sei is not just about raw power; it’s also a showcase of advanced engineering for its time. The dual disc front brakes provide exceptional stopping power, giving riders the confidence to tackle sharp turns or sudden stops. The bike’s chassis is designed for stability and comfort, ideal for those long rides without sacrificing sportiness. With a fuel capacity of 17 liters (4.49 gallons), the 900 Sei can cover significant distances between fill-ups, further enhancing its touring capability. Aesthetically, the motorcycle's design is as striking as its performance; the six exhausts emerge elegantly, hinting at the power within while ensuring that this classic remains a head-turner. ###

Pros

    Cons

    • Unique Engine Configuration: The in-line six-cylinder design offers smooth power delivery and a distinctive sound, setting it apart from its competitors.
    • Comfortable for Long Rides: With its sport-touring orientation, the 900 Sei is designed for comfort, making it ideal for both weekend trips and long-distance touring.
    • Stunning Aesthetic Appeal: The striking design, paired with the six-exhaust system, makes the 900 Sei a visually captivating motorcycle.
    • Weight: At 549 pounds, the bike may feel cumbersome to some riders, especially at lower speeds or during maneuvers.
    • Limited Service Network: Being a classic, finding parts or service can sometimes be challenging, which may deter potential owners.
    • Fuel Efficiency: While it has a decent fuel capacity, the performance-oriented engine might not deliver the best fuel economy compared to modern touring bikes.

    Technical details

    Source specification data

    Make
    Benelli
    Model
    900 Sei
    Category
    Sport touring
    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