Benelli 900 Sei - 1986 Specifications and Reviews

The 1986 Benelli 900 Sei is a sport-touring motorcycle that appeals to riders seeking smooth, refined performance. Its 905cc air-cooled inline-six engine delivers 80 horsepower with distinctive character and is best known for offering Japanese-like reliability with Italian charm, making it an accessible middleweight for both experienced and adventurous riders.

5 stars Average rating: 5 from 2 votes
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General information

CategorySport touring
Year1986
ModelBenelli 900 Sei
 
 

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox5-speed
Cooling systemAir
Fuel controlOHC
Valves per cylinder2
Bore x stroke60.0 x 53.4 mm (2.4 x 2.1 inches)
Compression9.5:1
Power80.00
Stroke4
Engine typeIn-line six
Capacity:905.00 ccm (55.22 cubic inches)

Physical measures and capacities

Weight incl. oil, gas, etc249.0 kg (549.0 pounds)
 
 

Benelli 900 Sei dimensions and frame

Rear brakesSingle disc
Front brakesDual disc
Rear tyre dimensions120/90-18
Front tyre dimensions100/90-18

Speed and acceleration

Top speed193.0 km/h (119.9 mph)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity17.00 litres (4.49 gallons)

Performance Profile & Rider Fit

80 hp
Peak Power
5.2s
0-60 mph
119.9 mph
Top Speed

Best For

Track30%
City45%
Cornering50%
Daily Riding50%
Touring55%
Passenger55%

Rider Profile

Best ForThis bike suits an experienced rider who appreciates classic, mechanically intricate machinery over modern performance.
PurposeIt was built as a prestige grand-touring roadster, showcasing an exotic in-line six engine rather than chasing outright speed or agility.
Rider FitAt around 249 kg with an air-cooled six-cylinder engine and dual front discs, it demands a confident, moderately strong rider for slow-speed maneuvering.
CharacterThe 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 ForIt is not suited for riders seeking modern sportbike agility, off-road capability, or high-speed track performance.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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