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.
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
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