1989 Benelli 900 Sei

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Specifications
- Category
- Unspecified category
- Displacement
- 905.0 ccm (55.22 cubic inches)
- Displacement (cc)
- 905.00
- Engine details
- In-line six, four-stroke
- Power
- 80.0 HP (58.4 kW) @ 8300 RPM
- Top speed
- 193.0 km/h (119.9 mph)
- Compression
- 9.5:1
- Bore × stroke
- 60.0 x 53.4 mm (2.4 x 2.1 inches)
- Valves/cyl
- 2.0
- Fuel control
- Overhead Cams (OHC)
- Cooling
- Air
- Gearbox
- 5-speed
- Transmission
- Chain (final drive)
- Front tyre
- 100/90-18
- Rear tyre
- 120/90-18
- Front brakes
- Dual disc
- Rear brakes
- Single disc
- Wet weight
- 249.0 kg (549.0 pounds)
- Fuel capacity
- 17.00 litres (4.49 US gallons)
The 1989 Benelli 900 Sei
1989 Benelli 900 Sei sits near the top of Benelli's road bike range from this era, a flagship grand tourer built around a six-cylinder engine at a time when most Italian manufacturers were still committed to twins and fours. Riding one means accepting a bike that prioritizes smoothness and a distinctive exhaust note over outright aggression. The six-cylinder layout gives a turbine-like delivery that rewards a relaxed, open-road riding style rather than aggressive cornering, and the weight and chassis geometry make it better suited to sustained highway miles than tight mountain roads. Ownership means accepting dated switchgear and a maintenance routine shaped by a complex engine with six carburetors to balance. The 1989 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 1988 example should focus on mileage, service history, and condition rather than spec differences. The typical buyer here is an experienced Italian-bike collector or a six-cylinder enthusiast drawn to the engineering oddity rather than a first-time vintage buyer, someone who already owns more conventional classics and wants something mechanically unusual. Parts scarcity and specialist knowledge requirements keep this firmly in experienced-owner territory.


