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Foreign brand motorcycle >> Ducati >> 浏览文章
Ducati 600SS

Ducati 600 TT2

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Make Model

Ducati 600 TT2

Year

1981-84

Engine

Air cooled, four stroke, 90Ltwin cylinder, SOHC, desmodromic 2 valve per cylinder. 

Capacity

583
Bore x Stroke 80 x 58 mm
Compression Ratio 9.2:1

Induction

2x 36mm Dell'Orto

Ignition  /  Starting

Max Power

58 hp @ 10500 rpm

Max Torque

Transmission  /  Drive

5 Speed  /  chain

Front Suspension

35mm Paoli telescopic forks

Rear Suspension

Swinging arm with Spax shock adjustable preload and damping

Front Brakes

2x 260mm discs

Rear Brakes

Single 260mm disc

Front Tyre

100/90 H18

Rear Tyre

110/90 H18

Dry-Weight

156.5 kg

Fuel Capacity 

18 Litres

Standing Mile  

13.0 sec

Top Speed

127 mp/h

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Ducati's600cc racer has inspired a host of lookalikes but the Moto Vecchia version is the most affordable. Dave Colder wood tries the bike that Ducati should have built three years ago.

LET'S get the story straight at the beginning: Ducati's Formula 2 racing bike came about in 1981 when the Italian motorcycle sport organisation adopted regulations for one of their nationalchampionships which closely followed the world TT formula. To take advantage of this, Ducati NCR, the factory racing team, developed and built a limited batch of bikes for their team of riders. Their star rider, Massimo Broccoli, won the F2 title after a season-long battle with the Bimota factory team of KB2s the 'Laser' powered by overbored 500-4 Kawasaki engines.

Ducati NCR had no plans that year for the world F2 series but arch Ducati dealers Sports Motorcycles of Manchester did. Using a chassis from a crashed road bike and a totally rebuilt factory development engine, Steve Wynne and Pat Slinn of Sports set about producing their own F2 bike.

It's history now that Tony Rutter rode that bike to win the F2 TT in fine style with a fastest lap of 103.51mph. The second (and final) round of the world F2 championship that year was at the Ulster circuit of Dundrod where Rutter finished second behind Phil Mellor on a Yamaha RD350 based machine. This time he rode a factory TT2 brought over specially by two Ducati bosses, a visit made all the more worthwhile because that placing was sufficient to win the world title.

For the above report and the following details about the factory TT2s, we must applaud journalist Alan Cathcart who must be the only person to ever get more than 50% of the full story out of an Italian factory. His book Ducati Motorcycles (Osprey, 11.95), as well as being a thoroughly good read, is now the standard reference work for the marque.

Cathcart's chapter on the recent racing successes of Ducati (aptly headlined 'Two cylinders can be better than four') reveals the following about the TT2 on which we can judge any of the 'works replicas' now being offered.

Rutter's Dundrod bike was one of five factory TT2s which used the Pantah engine as a starting point but which were designed as racing machines in every other respect, including having a completely new monoshock frame.

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The TT2 was designed, as were all Ducatis of the past 25 years, by Ing Fabio Taglioni, a fabled character nowadays. According to Cathcart, who has actually managed to ride one, the TT2 'encompassed all Taglioni's insistence on light weight, efficient air penetration, wide power band and ease of handling'.

The new frame was made by Verlicchi, who also made the standard Pantah frames, and consisted of a network of tubes weighing only 7kg. A Marzocchi shock absorber was used with that same firm's fully adjustable front forks. Wheels were either 16 or 18in depending upon riders' preferences Rutter chose 18in, we're told. Wheelbase was short at 55in and weight savings abounded on the bike to get it down to 148kg and that's complete with electric starter and battery as required by Italian rules.

The motor was bored to 81mm rather than the road Pantah's 80mm which with a stroke of 58mm gave a capacity of 597cc, 14cc more than the Pantah. With higher compression, bigger valves, 40mm carbs, racing cams and careful engine assembly, it produced peak power of 78bhp at 10,500rpm with a good spread available upwards of 6000rpm.

In 1982, the factory repeated its success at home in the Italian championship with Walter Cussigh doing the winning. They also provided a genuine dry-clutch on the bike to get it down to 148kg and that's complete with electric starter and battery as required by Italian rules.

The motor was bored to 81mm rather than the road Pantah's 80mm which with a stroke of 58mm gave a capacity of 597cc, 14cc more than the Pantah. With higher compression, bigger valves, 40mm carbs, racing cams and careful engine assembly, it produced peak power of 78bhp at 10,500rpm with a good spread available upwards of 6000rpm.

In 1982, the factory repeated its success at home in the Italian championship with Walter Cussigh doing the winning. They also provided a genuine dry-clutch works bike for Tony Rutter in the world F2 series which was now three rounds Vila Real in Portugal had been added to the schedule. Sports Motorcycles continued their involvement, paying all expenses and burning not a little midnight oil when preparing the bikes.

Rutter not only won the championship but every race, including a record TT lap of 109.27mph. His race speed would have earned him third place in the l000ccFl event.

Since then, Rutter has won two more F2 world titles, still in association with Pat Slinn, and has set up his own company called 'Tony Rutter Racing Ltd'. An Fl bike has been added to the stable with a bore x stroke of 88 x 61.5mm for a capacity of 750cc good enough to take third behind the works Hondas in '84. A similar plan of action is intended for '85.

So that's the essential 1% of the story behind the Ducati works

Source Performance Bike 1985

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