Ducati 900 S2 (1984-85)

The Ducati 900 S2 was a motorcycle produced in 1984-85 with only 1236 units made. It had a four-stroke, 90 degrees L twin-cylinder, SOHC engine with a 2 valves per cylinder and bevel gear drive. The capacity was 864cc/52.7 cu in, with a compression ratio of 9.3:1, and air cooling. The induction system consisted of 2 x Dell’Orto PHF 30A or PHM 40B carburetors/ 32mm Dell’Orto PHF. The exhaust system varied depending on the country. It had a Bosch electronic ignition, a Yuasa 19Ah battery, and an electric starting mechanism. The maximum power of the motorcycle was 58.8 kW/80 hp @ 7500 rpm, while the maximum torque was 86 Nm / 8.8 kgf-m / 63.5 ft-lb @ 5800 rpm. It had a wet, multi-plate clutch with a 5-speed transmission. The front and rear suspension was equipped with telescopic fork and dual shocks, respectively. The braking system consisted of 2 x 280 mm Disc, 1 piston caliper for the front and 1 x 280 mm disc for the rear. The dimensions were 2200 mm (L) x 700 mm (W) x 1250 mm (H), with a wheelbase of 1500 mm and a dry weight of 190 kg. The fuel capacity was 18 L, and the consumption average was 5.4L/100 km. The motorcycle had a standing 1/4 mile time of 13.3 sec, with a top speed of 205 km/h. The colours were red, white, and green, with a red frame. A manual is available for this motorcycle.

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Technical specifications:

Make Model: Ducati 900 S2

Year: 1984 – 85

Production: 1236 Units

Engine: Four stroke, 90 degrees L twin cylinder, SOHC, 2 valves per cylinder, bevel gear driven

Capacity: 864 cc / 52.7 cu in

Bore x Stroke: 86 x 74.4 mm

Compression Ratio: 9.3:1

Cooling System: Air cooled

Induction: 2 x Dell’Orto PHF 30A or PHM 40B carburetors / 32mm Dell’Orto PHF

Exhaust: There are country specific carb & exhaust pairnigs. Switzerland and France: 32PHF carb and Silentium Mufflers Italy; 40 PHM carb and Conti mufflers

Spark Plugs: Bosch WM7B

Ignition: Bosch electronic

Battery: Yuasa 19Ah

Starting: Electric

Max Power: 58.8 kW / 80 hp @ 7500 rpm

Max Torque: 86 Nm / 8.8 kgf-m / 63.5 ft-lb @ 5800 rpm

Clutch: Wet, multiplate

Transmission: 5 Speed

Primary Drive Ratio: 2.187:1 (32/70)

Gear Ratios: 1st 2.237 / 2nd 1.562 / 3rd 1.203 / 4th 1.000 / 5th 0.887

Final Drive Ratio: 2.200:1 (15/33)

Final Drive: Chain

Front Suspension: 38 mm Marzocchi telescopic fork

Rear Suspension: Marzocchi ET85 dual shocks, 5-way adjustable

Front Brakes: 2 x 280 mm Disc, 1 piston caliper

Rear Brakes: Single 280 mm disc

Front Wheel: 100/90 – V18

Rear Wheel: 120/90 – V18

Dimensions: Length: 2200 mm / 86.6 in Width: 700 mm / 27.6 in Height: 1250 mm / 49.2 in

Wheelbase: 1500 mm / 59.1 in

Seat Height: 840 mm / 33.1 in

Dry Weight: 190 kg / 419 lbs

Fuel Capacity: 18 L / 4.8 US gal / 4.0 Imp gal

Consumption Average: 5.4L/100 km / 18.5 km/l / 43.6 US mpg / 52.4 Imp mpg

Standing 1/4 Mile: 13.3 sec / 163 km/h / 101 mph

Top Speed: 205 km/h / 127 mph

Colours: Red frame, red, white and green

Manual: Ducati-900-S2 / Bevelheaven.com