Bimota DB1

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Bimota DB1
BimotaDB1.JPG
ManufacturerBimota
Production1985 - 1990, 688 produced [1] [2]
PredecessorCagiva/Ducati 650 cc, Prototype
SuccessorDB2
Class Sport/Race
Engine 750 cc Ducati 90° V-twin [3] [4]
Power DB1J 400 cc: 42 hp, DB1: 62 hp, DB1S: 72 hp, DB1SR: 82 hp, DB1R: 92 hp [5]
Transmission 5-Speed Manual
Frame type Chrome-Molybdenum Steel [6]
Suspension Marzocchi M1R Forks, Marzocchi Rear Shock
Brakes Brembo, Goldline, Full Floating Cast Iron Front Rotors [7]
Tires Pirelli 16" 130/60 in FRONT and 160/60 in REAR [8]
Rake, trail 25° (DB1R 29°), [9] 105 mm [10]
Wheelbase 54.5" [11]
Weight355 lb. (DB1R 295 lb.) (dry)

The Bimota DB1 was a motorcycle manufactured by Bimota between 1985 and 1990 in Rimini, Italy. Originally commissioned by Cagiva, the DB1 was designed by Bimota's Technical Director, and ex-Ducati engineer, Dr. Frederico Martini, and it saved Bimota from almost certain bankruptcy. DB1 stands for Ducati Bimota One, i.e. the first Bimota powered by a Ducati engine compared to, say, the SB3 - Suzuki, Bimota, third design. [12] [13]

Contents

Bimota DB1 1986 Bimota DB1.JPG
Bimota DB1


Features

Being the first all-Italian Bimota it came with a 750 cc Ducati 90° V-twin engine with Desmodromic valve-train in different levels of tune and styling. The frame is made of Chrome-Molybdenum steel tubing and uses a Triangulated Upper Space Frame or "Birdcage" design. The engine is a stressed member and the swingarm pivots in engine's crankcase. The DB1s triple-trees, clip-ons, rear-sets and several other bits are made of lightweight, hot stamped and billet Avional 14 aluminum. The Cagiva/Bimota/Ducati/DB1 prototype morphed into the Ducati Paso ironically[ clarification needed ] designed by Bimota co-founder Massimo Tamburini. [14] [15] [16] While the DB1's small size made it light weight, it resulted in difficult ergonomics for taller riders. Also, the large single-piece tank/seat bodywork was difficult to remove without a helper.

Models

DB1

Several DB1 models were produced. The standard DB1 has 36 mm carburetors, a restrictive airbox and a quiet 2-into-2 exhaust. It was made between 1985 and 1986 [17] and while not powerful it is extremely refined. [18]

DB1J

A 400 cc version of the DB1, for the Japanese market, was produced between 1986 and 1987. [19]

DB1S

The DB1S is a slightly higher performance version of the 750 cc DB1 with 40 mm carburetors and freer 2-into-2 exhaust and was made between 1986 and 1987. Both the DB1 and the DB1S needed to be re-jetted upon delivery to run properly and make proper horsepower for the design. [20] [21] [22]

DB1SR

The DB1SR is an even higher performance version with 4-piston front calipers, 41 mm carburetors, freer 2-into-1 exhaust and more radical cam shafts and was made between 1987 and 1989. Confusingly, most DB1SRs are labeled "DB1RS" on the fairing and some are styled differently with a rear red number plates and correctly labeled "DB1SR". The DB1SR can be compared to Ducati's Laguna Seca/Montjuich/Santa Monica models, upgraded 750 F1s. [23] [24]

The DB1SR was successfully raced in Italy by Tiziano Bombardi, winning the 1987 Italian Sport Production Twins Championship, finishing on top of the podium in 8 of the 9 races, with one second-place finish. [25]

DB1SR Serie Finale

The DB1SR Serie Finale is similar in performance and style to the DB1SR yet with a green stripe and a silver plaque on the right side of the swingarm. These bikes were assembled in 1990 using the last 7 DB1 frames at the request of the Bimota Club USA President, Sam Bernstein, upon visiting the Bimota Factory. Three went to the US, at least one went to Japan, at least one went to France. [26]

DB1R

The DB1R is a Factory Corsa (race), or Works, bike made between 1985 and 1986. These bikes have many enhancements including several parts made of magnesium, different triple-trees (29° vs. 25°, identical trail at 105 mm), high performance engine internals, higher rear-sets, 42 mm carburetors, open 2-into-1 exhaust and no lights with the oil cooler in the nose of the fairing. DB1R frames don't have the three fuel cell mounts, the two steering stop mounts or the keyed steering lock (like the DB1/DB1S/DB1SR/DB1SR Serie Finale strada (street) frames). The aluminum fuel cell is made into the bodywork and can be identified by the upper vent hose. [27]

Production

The DB1 production was as follows: [28] [29] [30] [31]

TypeQuantityNotes
Ducati/Cagiva Prototype 650cc1
DB1 750 cc4005 kits, 307 went to Japan, 12 went to US
DB1J 400 cc5353 went to Japan
DB1S63
DB1SR Prototype1
DB1SR153
DB1SR Serie Finale7Last 7 frames, assembled in 1990, 3 went to US
DB1R10details below
Total688

Individual examples

List of Bimota DB1Rs: [32] [33]

  1. 1985, #00001, [34] the first DB1 was a DB1R prototype, [35] unique aluminum rear subframe and right-side shift, raced by Davide Tardozzi. [36]
  2. 1986, #00200, engine DM650L-612148, a "Corsa" per Bimota factory paperwork, bike was imported into Florida, USA alongside bike #00201 in February 1986. [37] Raced by Malcolme Tunstall, FL, at Daytona in 1986 & 1987, won the 1987 US Formula 2 Expert Championship, to MS then sold, sold again in 2022. [38]
  3. 1986, #00201, engine DM650L-612149, a "Corsa" per Bimota factory paperwork, bike was imported into Florida, USA alongside bike #00200 in February 1986. [39] Raced by Davide Tardozzi at Daytona in March 1986. Raced by AMA racer James Lombardo, PA, from 1986 to 1990. [40] #00201 was thought to be destroyed in a crash/fire on the banking of Rockingham Speedway in North Carolina in 1990. Parts that survived the crash (except for the damaged frame that was later repaired/repainted) and new parts were assembled/restored using NOS Strada frame #00700 with new factory bodywork sourced at the time of the crash and the original factory-built race engine restored by Fast by Ferracci, now in the Bimota Spirit Museum in North Carolina. The original frame (#00201) was stored at Cycle Specialties in Athens, GA for many years until PB, GA, sold it to GR, NY, at Barber Motorsports Park, AL, in October 2011. Then sold to AC, CA, in October 2012 and built into a street bike, using engine RAA5008020, completed in May 2018. [41]
  4. 1986, #00202, the first customer DB1R per Federico Martini, prepared by Ian Gowanloch, Pete Smith and Arthur Davis, NCR engine size increased to 940cc and 980cc, GPM close-ratio transmission, raced by Chris Oldfield in Australia and at Daytona in the Battle of the Twins race in 1987 & 1988, still in Australia. [42]
  5. 1985, #00203 (suspect as #00203 is registered as a street DB1 [43] ), engine DM650L-612149 (suspect as this engine originally came in #00201, per Bimota factory paperwork and is currently in frame #00700 [44] ), raced in 1985 Bol d'Or in France by Davide Tardozzi, Massimo Matteoni & Rossi, raced in 1985 & 1986 TT F1 World Championship by Davide Tardozzi, raced in 1986 & 1987 AMA ProTwins Championship by Alan Cathcart, now in Italy.
  6. 1985, #00204, Bimota Classic Parts, Italy. [45]
  7. 1985, #00210, engine DM600L-702640, raced by Dale Quarterley in 1986 winning at Laguna Seca, raced by Johnny Virgadamo, to GR, to BH in Canada. [46]
  8. 1985, #00212, engine DM750L7502269 raced by Oscar La Ferla, still in Italy.
  9. 1985, #00214, engine DM650L612034, raced by Davide Tardozzi, to Gonzo in Japan, sold. [47]
  10. 1985, #00541, unassembled/complete Corsa Kit with NCR racing engine, once part of the Francesco Romanelli Collection, now part of the Musee L'Epopee de la Moto collection, [48] sold.

DB1Rs were also raced by Pirovano, Berti, and Vitali.

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References

  1. ↑ BIMOTA, 25 Years of Excellence (1999), Giorgio Sarti, Giorgio Nada Editore s.r.l.
  2. ↑ Bimota News USA
  3. ↑ Bimota Motorrader (1999), Jürgen Gaßebner, Motor buch Verlag
  4. ↑ Bike, Oct. 1985/Bimota Limited Edition Extra 1978-1990, RM Clarke, Brookland Books
  5. ↑ Bimota News USA
  6. ↑ Bike, Oct. 1985/Bimota Limited Edition Extra 1978-1990, RM Clarke, Brookland Books
  7. ↑ Bike, Oct. 1985/Bimota Limited Edition Extra 1978-1990, RM Clarke, Brookland Books
  8. ↑ Bike, June 1986/Bimota Limited Edition Extra 1978-1990, RM Clarke, Brookland Books
  9. ↑ BIMOTA, 25 Years of Excellence (1999), Giorgio Sarti, Giorgio Nada Editore s.r.l.
  10. ↑ Bike, Oct. 1985/Bimota Limited Edition Extra 1978-1990, RM Clarke, Brookland Books
  11. ↑ Bimota Motorrader (1999), Jürgen Gaßebner, Motor buch Verlag
  12. ↑ BIMOTA, 25 Years of Excellence (1999), Giorgio Sarti, Giorgio Nada Editore s.r.l.
  13. ↑ Bimota News USA
  14. ↑ BIMOTA, 25 Years of Excellence (1999), Giorgio Sarti, Giorgio Nada Editore s.r.l.
  15. ↑ Bike, June 1986/Bimota Limited Edition Extra 1978-1990, RM Clarke, Brookland Books
  16. ↑ Bimota News USA
  17. ↑ Bimota Story (1998), Bimota 25th Anniversary
  18. ↑ Bimota News USA
  19. ↑ Number of examples produced (in Japanese), archived from the original on 2013-05-17, retrieved 2013-02-19
  20. ↑ BIMOTA, 25 Years of Excellence (1999), Giorgio Sarti, Giorgio Nada Editore s.r.l.
  21. ↑ Bimota Story (1998), Bimota 25th Anniversary
  22. ↑ Bimota News USA
  23. ↑ Bimota News USA
  24. ↑ Bimota Story (1998), Bimota 25th Anniversary
  25. ↑ BIMOTA, 25 Years of Excellence (1999), Giorgio Sarti, Giorgio Nada Editore s.r.l.
  26. ↑ Bimota News USA
  27. ↑ Bimota News USA
  28. ↑ BIMOTA, 25 Years of Excellence (1999), Giorgio Sarti, Giorgio Nada Editore s.r.l.
  29. ↑ Bimota Motorrader (1999), Jürgen Gaßebner, Motor buch Verlag
  30. ↑ Bimota News USA
  31. ↑ Number of examples produced (in Japanese), archived from the original on 2013-05-17, retrieved 2013-02-19
  32. ↑ BIMOTA, 25 Years of Excellence (1999), Giorgio Sarti, Giorgio Nada Editore s.r.l.
  33. ↑ "1988 Bimota DB1 R | F265 | Las Vegas 2020".
  34. ↑ Bimota Classic Parts
  35. ↑ Bimota News USA
  36. ↑ Bimota Motorrader (1999), Jürgen Gaßebner, Motor buch Verlag
  37. ↑ Bimota News USA
  38. ↑ "1986 Bimota Db1r". mecum.com. Retrieved 2022-10-14.
  39. ↑ Bimota News USA
  40. ↑ Bimota News USA
  41. ↑ Bimota News USA
  42. ↑ Bimota News USA
  43. ↑ "Bimota Club Switzerland".
  44. ↑ Bimota News USA
  45. ↑ Bimota News USA
  46. ↑ Bimota News USA
  47. ↑ Bimota News USA
  48. ↑ "1988 Bimota DB1 R | F265 | Las Vegas 2020".
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