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Benelli 900 Sei
1980Classic

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 1980 Benelli 900 Sei The 1980 Benelli 900 Sei stands as a remarkable testament to Italian engineering and design, marking its place in the annals of classic motorcycles. As one of the pioneering models to feature an in-line six-cylinder engine, the 900 Sei was not just a motorcycle; it was a statement of performance and sophistication during a time when most manufacturers were still experimenting with four-cylinder setups. This bike captured the essence of the late '70s and early '80s motorcycle scene, appealing to enthusiasts who sought both style and substance. With its sleek lines and distinctive chrome accents, the 900 Sei remains a coveted piece among collectors and riders alike. ### Engine Performance and Riding Characteristics At the heart of the Benelli 900 Sei lies a robust 905 cc in-line six-cylinder engine, delivering an exhilarating 80 horsepower at 8,300 RPM. This engine configuration not only provides a unique auditory experience with its harmonious six-cylinder growl but also contributes to smooth acceleration and impressive top speeds of up to 119.9 mph (193 km/h). The 9.5:1 compression ratio and a thoughtfully designed bore and stroke of 60.0 mm x 53.4 mm ensure that riders can experience spirited performance while maintaining reliability. Coupled with a 5-speed gearbox and chain final drive, the 900 Sei offers a thrilling ride that seamlessly transitions through gears, making every twist of the throttle a joy. ### Key Features and Technology The Benelli 900 Sei is adorned with features that enhance both its aesthetic appeal and riding capabilities. The motorcycle is equipped with dual front disc brakes and a single rear disc, providing ample stopping power and confidence to navigate through varied conditions. Weighing in at 549 pounds (249 kg) with fluids, the 900 Sei strikes a commendable balance between stability and agility. The bike’s fuel capacity of 17 liters (4.49 gallons) ensures that longer rides can be undertaken without frequent stops, ideal for adventurous spirits. The air-cooled engine reflects a commitment to simplicity and ease of maintenance, while the two valves per cylinder design keeps the engine efficient and reliable. ###

Pros

    Cons

    • Unique Engine Configuration: The in-line six-cylinder engine sets it apart from competitors, delivering an exhilarating ride and distinctive sound.
    • Classic Styling: Timeless design elements and chrome accents make the 900 Sei a head-turner, appealing to classic motorcycle enthusiasts.
    • Solid Braking System: Dual disc front brakes and a single rear disc provide excellent stopping power for a confident riding experience.
    • Weight: At 549 pounds, the bike can feel heavy for less experienced riders, especially at low speeds or during maneuvers.
    • Limited Parts Availability: As a classic model, finding specific replacement parts can be challenging and may require sourcing from specialized dealers.
    • Air Cooling Limitations: While simpler to maintain, air cooling might not be as efficient in extreme conditions compared to modern liquid-cooled systems.

    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