Sport Tourers
1984Benelli 900 Sei
19 fields on record
The 1984 Benelli 900 Sei appeals to riders seeking smooth, refined performance from its distinctive 905cc inline-six engine. Known for its silky power delivery and excellent balance, this air-cooled Italian machine offers comfortable touring capability with manageable weight. Best remembered for bringing six-cylinder engineering to the middleweight category with understated elegance.
- Capacity
- 905.0 ccm
- Engine
- In-line six, four-stroke
- Gearbox
- 5-speed
- Wet weight
- 249.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 80.0 HP (58.8 kW) @ 8300 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It was built as a prestige grand-touring roadster, showcasing an exotic in-line six engine rather than chasing outright speed or agility.
- Built for
- The 900 Sei is a charismatic, smooth-running collector's classic prized for its unique engine sound and engineering rarity rather than aggressive handling.
- Not ideal for
- It is not suited for riders seeking modern sportbike agility, off-road capability, or high-speed track performance.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 905.0 ccm
- Power
- 80.0 HP (58.8 kW) @ 8300 RPM
- Engine type
- In-line six, four-stroke
- Power/weight ratio
- 0.3213 HP/kg (wet)
- Bore x stroke
- 60.0 x 53.4 mm
- Compression
- 9.5:1
- Cooling system
- Air
- Valves per cylinder
- 2
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 193.0 km/h (119.9 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Dual disc
- Rear brakes
- Single disc
- Front tyre
- 100/90-18
- Rear tyre
- 120/90-18
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 1980 | 1983 | 1984 | 1985 | 1988 | 1990 |
|---|---|---|---|---|---|---|
| Capacity | 905 cc | 905 cc | 905 cc | 905 cc | 905 cc | 905 cc |
| Fuel capacity | 17 L | 17 L | 17 L | 17 L | 17 L | 17 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Benelli 900 Sei?
The 1984 Benelli 900 Sei has a Capacity of 905.0 ccm (55.23 cubic inches).
What engine power does the Benelli 900 Sei have?
The 1984 Benelli 900 Sei has a Power of 80.0 HP (58.8 kW) @ 8300 RPM.
How many gears does the Benelli 900 Sei have?
The 1984 Benelli 900 Sei has a Gearbox of 5-speed.
How much does the Benelli 900 Sei weigh?
The 1984 Benelli 900 Sei has a Wet weight of 249.0 kg (549.0 pounds).
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