Run Moto Run
ApriliaBenelliBimotaBMWBSADucatiFB MondialHusqvarnaKTMMoto GuzziMV AgustaNortonTriumph
Benelli · 1976–1977

1977 Benelli 750 Sei

Share
1977 Benelli 750 Sei
Auction record
Average sale
$13,750
Sales
3
Low
$10,750
High
$18,500

Specifications

Category
Naked bike
Displacement
747.0 ccm (45.58 cubic inches)
Displacement (cc)
747.00
Engine details
In-line six, four-stroke
Power
58.0 HP (42.3 kW) @ 8500 RPM
Top speed
180.0 km/h (111.8 mph)
Compression
9.8:1
Bore × stroke
56.0 x 50.6 mm (2.2 x 2.0 inches)
Valves/cyl
2.0
Fuel control
Overhead Cams (OHC)
Cooling
Air
Gearbox
5-speed
Transmission
Chain (final drive)
Front tyre
3.50-18
Rear tyre
120/90-18
Front brakes
Dual disc
Rear brakes
Expanding brake
Wet weight
255.0 kg (562.2 pounds)
Fuel capacity
22.00 litres (5.81 US gallons)

The 1977 Benelli 750 Sei

1977 Benelli 750 Sei sits at the top of Benelli's naked bike range, the flagship that put the company back on the map after De Tomaso took control. This is a road bike built to be heard and seen as much as ridden, with that transverse six-cylinder engine humming through six individual header pipes fanning out beneath the tank. It's a heavy, stately machine rather than a quick-handling one, better suited to sweeping highway miles than tight backroads, and the weight is noticeable at low speeds and when maneuvering it in a garage. Owning one means committing to a mechanically complex machine that demands a mechanic who understands it, not a shop that just services Japanese fours. The 1977 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 1976 example should focus on mileage, service history, and condition rather than spec differences. Collectors and Benelli specialists drive most of the demand here, often riders who already own Italian or Japanese multi-cylinder classics and want something rarer to add to the stable. Given the high collector interest, condition and originality matter more than mileage alone when evaluating a 1977 Benelli 750 Sei.

Auction history

DateListingPriceMileageSource
Jan 9, 20241976 Benelli 750 Sei$12,000Bring a Trailer
Dec 19, 20221977 Benelli 750 Sei$18,500Bring a Trailer
Jun 13, 20161977 Benelli 750 Sei$10,750Bring a Trailer

More Benelli 1977 models

1977 Benelli 250 Quattro
1977 · Benelli
250 Quattro
No auction data yet