Ducati 900 S2 (1983)

The Ducati 900 S2 is a testament to ingenuity under adversity. Released in 1982 as a replacement for the revered 900 SS, it faced significant challenges in a market dominated by Japanese marques. Despite financial constraints and new emissions regulations that curtailed power, the S2 boasts an improved transmission and handling rivaling some of the best Bimotas.

Its bevel gear-driven 90L twin-cylinder engine, with SOHC and two valves per cylinder, delivers a characterful riding experience. Owners quickly discovered that subtle modifications could unlock a significant amount of hidden power, making the S2 a thrilling prospect for enthusiasts.

Despite being built in relatively low numbers – just 1,236 examples between 1982 and 1985 – the Ducati 900 S2 has earned a loyal following among collectors and riders who appreciate its unique blend of heritage and performance.

Key Specifications

Engine Type	Four stroke, 90Ltwin cylinder, SOHC, 2 valves per cylinder, bevel gear driven
Engine Capacity	864 cc / 52.7 cu in
Max Power	58.8 kw / 80 hp
Max Torque	86 Nm / 8.8 kgf-m / 63.5 ft-lb @ 5800 rpm
Fuel Tank Capacity	18 L / 4.8 US gal / 4.0 Imp gal
Seat Height	33.1 inches / 840 mm

*n/a – information not provided by manufacturer

All Specifications

Make & Model

Model	Ducati 900 S2
Year	1983

Engine

Engine Type	Four stroke, 90Ltwin cylinder, SOHC, 2 valves per cylinder, bevel gear driven
Displacement	864 cc / 52.7 cu in
Bore x Stroke	86 x 74.4 mm
Compression Ratio	9.3:1
Max Horsepower	58.8 kw / 80 hp
Max Torque	86 Nm / 8.8 kgf-m / 63.5 ft-lb @ 5800 rpm
Engine Management System	2 x Dell’Orto PHF 30A or PHM 40B carburetors /32mm Dell’Orto PHF
Cooling System	Air cooled
Exhaust	There are country specific carb & exhaust pairnigs.Switzerland and France: 32PHF carb and Silentium MufflersItaly; 40 PHM carb and Conti mufflers

Performance

Top Speed

205 km/h / 127mph

*n/a – information not provided by manufacturer

Transmission

Clutch	Wet, multiplate
Gearbox	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	Chain

Electrical & Electronics System

Battery	Yuasa 19Ah
Starter	Electric or kick

Chassis & Suspension

Front Suspension	38 mm Marzocchi telescopic fork
Rear Suspension	Marzocchi ET85 dual shocks, 5-way adjustable

Wheels & Brakes

Front Wheel/Rim Size	100/90 – V18
Rear Wheel/Rim Size	120/90 – V18
Front Brakes	2 x 280 mm Disc, 1 piston caliper
Rear Brakes	Single 280 mm disc

Dimension & Weights

Overall Length	2200 mm / 86.6 in
Overall Width	700 mm / 27.6 in
Overall Height	1250 mm / 49.2 in
Seat Height	33.1 inches / 840 mm
Wheelbase	59.1 inches / 1500 mm
Fuel Tank Capacity	18 L / 4.8 US gal / 4.0 Imp gal
Dry Weight	190 kg / 419 lbs

Features

Four-stroke engine
Twin cylinder configuration
SOHC design
2 valves per cylinder
Bevel gear driven
Released in 1982 as Ducati 900 S2
Replacement for Ducati 900 SS
Reduced power and torque due to emissions regulations
Significantly improved transmission over the 900 SS
Handling as good or better than Bimotas
Shared frame with Mike Hailwood Replica Ducatis
Owners can modify for increased power

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*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com