| 词条 | Benelli Sei |
| 释义 |
| name = 750 Sei | image = | aka = | manufacturer = Benelli | parent_company = | production = 1972–1978 | predecessor = | successor = | class = | engine = 747 cc air-cooled inline-6 |bore_stroke= {{convert|56|x|50.6|mm|abbr=on}} |compression= 9.8:1 | top_speed = {{convert|200|km/h|mph||abbr=on}} | power = {{Convert|76|hp|kW|0|abbr=on}} @ 9000 rpm[1] | torque = | transmission = 5-speed, wet clutch | suspension = Front: 38 mm Marzocchi telescopic forks Rear: Twin shock | brakes = Front: Twin disc Rear: Drum | tires = Front: 3.50 H 18 Rear: 4.25 H 18 | rake_trail = | wheelbase = | length = | width = | height = | seat_height = | dry_weight = {{convert|235|kg|lb||abbr=on}} | wet_weight = {{convert|255|kg|lb||abbr=on}} | fuel_capacity = {{convert|23|L|abbr=on}} | related = | similar = }} The Benelli Sei is a series of motorcycles that were produced by Italian manufacturer Benelli, and masterminded by automotive designer Alejandro de Tomaso, from 1973 to 1989.[2] Two models were made, with 750 and 900 cc displacement. The 750 was the first production motorcycle with a six-cylinder engine. Benelli 750 SeiThe Benelli 750 Sei was the first production motorcycle with a 6-cylinder engine and had two model releases.[3][4] De Tomaso intended it to become Italy's premier sporting motorcycle and wanted it badged as a Moto Guzzi. On its launch, it received tremendous publicity overshadowing all other Italian bikes of that year. It started the trend of angular designed motorcycles moving away from traditional round forms.[5] The engine was based on the four-cylinder Honda CB500, but with two extra cylinders.[6][6] The cylinder head fins of the Sei were squared off to provide a cosmetic individuality, but otherwise the engine is in most respects obviously derived from the Honda. The "angular, bold design" was by Carrozzeria Ghia.[7] It produced {{convert|76|bhp|kW|abbr=on}} at 9,000 rpm, had a top speed of around {{convert|127|mph|km/h|abbr=on}} and was one of the smoothest European tourers.[1][8] Despite the extra cylinders, the Sei's width was kept to a minimum by siting the alternator (which, on the Honda, is at the left-hand end of the crankshaft) behind the cylinders. Cooling was improved by having air passages between the cylinders; the Sei had three Dell'Orto VHB 24 mm carburetors (the Honda CB 500 had four, for four cylinders).[6] The vehicle appeared to reviewers as heavy and cumbersome but handled surprisingly well, and had a unique signature exhaust note from its six mufflers.[9] Production Frame numbers started at 5000. Production figures were as follows ; Series 1 . 1974 293 #5001-5293 1975 1,479 from # 5294 Series 1 ,2 1976 87 from # 6774 Series 2 1977 283 from # 6861 1978 1,058 from # 7145 The Benelli 750 Six remained the only six-cylinder motorcycle in production until the entrance of the Honda CBX in 1978. Benelli 900 Sei{{Expand section|date=May 2012}}{{Infobox Motorcycle| name = 900 Sei | image = | aka = | manufacturer = Benelli | parent_company = | production = 1979-1989 | predecessor = Benelli 750 Sei | successor = | class = | engine = 906 cc air-cooled inline-6[10] |bore_stroke= 60 x 53.4 mm[11] |compression= | top_speed = 120 mph[10] | claimed power = 80 @ 8,400 rpm[10] | torque = | transmission = 5-speed, wet clutch | suspension = Front: 38 mm Marzocchi telescopic forks Rear: Twin shock | brakes = Front: Twin disc | tires = | rake_trail = | wheelbase = 56 inches (1,422 mm)[10] | length = | width = 25.75 (654 mm)[10] | height = | seat_height = | dry_weight = | wet_weight = 549 lbs (249 kg)[10] | fuel_capacity = | related = | similar = }} In 1979, by which time Benellli had sold 3,200 vehicles, Benelli developed the 750 Sei into a 900 cc motorcycle by increasing bore and stroke,[12] with six-into-two exhausts and a small bikini fairing used on the Moto Guzzi Le Mans. Less than 2,000 were made over four model releases.[6] Described at the time as "outrageous" [13] or a "flashbike". Flashbikes tended to be "rare, expensive, European, quirky, handsome and high performance".[14] It had an original MSRP of $3,995.[10] It was later released as a "Sei Sport" model with a larger bikini fairing. See also
References1. ^1 {{cite news|last=Grubb|first=Jake|title=Easy riders: the grand touring motorcycles for '75|url=https://books.google.com/books?id=aeMDAAAAMBAJ&pg=PA82|accessdate=15 July 2010|newspaper=Popular Mechanics|date=March 1975}} 2. ^Benelli 750/900 Performance Portfolio 1973-1989. R. M. Clarke. Brooklands Books, 20 Jan 2005 3. ^Imports and Motorsports. Bill Hartford. Popular Mechanics Jan 1974 4. ^{{cite book|last=Clarke|first=R.M.|title=Benelli 750/900 Performance Portfolio 1973-1989|year=2005|publisher=Brooklyn Books|isbn=978-1-85520-668-7}} 5. ^The Moto Guzzi Sport & Le Mans Bible. Ian Falloon. Veloce Publishing Ltd, 30 Jun 2007 6. ^1 2 {{cite news|last=Siegal|first=Margie|title= Benelli 750 Sei: The Italian answer to the Japanese onslaught|url=http://www.motorcycleclassics.com/motorcycle-reviews/2006-09-01/benelli-sei.aspx?page=2|accessdate=15 July 2010|newspaper=Motorcycle Classics|date=September–October 2006}} 7. ^{{cite news|title=Benelli 750 Sei|url=https://books.google.com/books?id=JVju-J_-AawC&pg=PA108|accessdate=15 July 2010|newspaper=Cycle World|date=August 1974}} 8. ^World's Fastest Motorcycles. John Cutts, Michael Scott. Book Sales, 1 Aug 1991 9. ^365 Motorcycles You Must Ride. Dain Gingerelli, Charles Everitt, James Manning Michels. MBI Publishing Company, 10 Jan 2011 10. ^1 2 3 4 5 6 {{cite web|last=Mitchel|first=Doug|title=The Benelli Sei 900|url=http://www.motorcycleclassics.com/classic-italian-motorcycles/benelli-sei-900.aspx|website=Motorcycle Classics September/October 2009|publisher=Motorcycle Classics}} 11. ^{{cite book|last=Walker|first=Mick|title=Motorcycle: Evolution, Design, Passion|publisher=The Johns Hopkins University Press|location=Baltimore, MD|isbn=978-0-8018-8530-3|pages=164|date=2006-08-23}} 12. ^1 {{cite news|url=https://books.google.com/books?id=TDG02FdLuQ0C&pg=PT627&dq=benelli+900+sei&hl=en&sa=X&ved=0CB0Q6AEwAGoVChMIrqLB4cnZxgIVzaSICh1WRwbs#v=onepage&q=benelli%20900%20sei&f=false|title=Three Tenors|last=Egan|first=Peter|date=December 2009|work=Cycle World|pages=49–54|accessdate=14 July 2015}} 13. ^Cycle World, Volume 33. CBS Publications, 1994 14. ^Walneck's Classic Cycle Trader, March 2008, Dominion Enterprises,. Originally published in Cycle World, External links
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