Ducati 900 SS (1975)

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The Ducati 900 SS, produced in 1975, has a four-stroke, 90-degree L-twin-cylinder engine with a capacity of 864cc/52.7 cu in, a compression ratio of 9.5:1, and air cooling. The bike features 2 Dell’Orto PHM 40 A, B, or C carburettors and Champion L81/L82Y/L88A or Bosch WM7B spark plugs, with kick start and electronic ignition options. The clutch is wet and multiplate, and the transmission is five-speed. It has a maximum power output of 58.8 kW/80 hp at 7500 rpm. Front suspension is comprised of a 38mm Marzocchi fork, while rear suspension features dual Marzocchi 310mm shocks adjustable in three ways. The front brakes have two 280mm discs with one piston caliper, and the rear brakes have a single 229mm disc. The 188kg/414 lbs bike has a fuel capacity of 20L/5.3 US gal/4.4 Imp gal, can reach a top speed of 217 km/h/135 mph, and the sub-13s quarter-mile time. The 900 SS has a silver frame, and either silver and blue bodywork. The bike measures 2200mm/86.6 in in length, 675mm/26.6 in in width, 1050mm/41.3 in in height, with a 1500mm/59.0 in wheelbase, and a 760mm/29.9 in seat height. The bike is covered in detail at Bevelheaven.com.

Technical specifications:

Make Model: Ducati 900 SS

Year: 1975


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: 9.5:1
Cooling System: Air cooled
Induction: 2 x Dell’Orto PHM 40 A, B or C carburetors
Spark Plugs: Champion L81 / L82Y / L88A / Bosch WM7B
Ignition: Electronic
Battery: Yuasa 12N/12A-4A-12V
Starting: Kick (electric as an option)
Max Power: 58.8 kW / 80 hp @ 7500 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: 2.312:1 (16/37)
Final Drive: Chain
Front Suspension: 38 mm Marzocchi fork
Rear Suspension: Marzocchi 310 mm dual shocks, 3-way adjustable
Front Brakes: 2 x 280mm Disc, 1 piston caliper
Rear Brakes: Single 229 mm disc
Front Wheel: 3.50 – 18
Rear Wheel: 4.00 – 18
Dimensions: Length: 2200 mm / 86.6 in Width: 675 mm / 26.6 in Height: 1050 mm / 41.3 in
Wheelbase: 1500 mm / 59.0 in
Seat Height: 760 mm / 29.9 in
Dry Weight: 188 kg / 414 lbs
Fuel Capacity: 20 L / 5.3 US gal / 4.4 Imp gal
Standing 1/4 Mile: 12.6 sec
Top Speed: 217 km/h / 135 mph
Colours: Silver frame, silver and blue
Manual: Bevelheaven.com

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