Ducati 851 Strada Biposto (1991-92)

The Ducati 851 Strada Biposto motorcycle was produced between 1991-1992 and featured a four stroke, 90 degrees L twin cylinder engine with desmodromic 4 valves per cylinder and belt driven capacity of 851cc. It had a liquid-cooled cooling system, Weber I.A.W. CPU P7 electronic fuel injection with 2 x 50mm throttle bodies, and was powered by a 12V 16Ah battery. The motorcycle had a maximum power output of 80.9 kW/110 hp @ 9600 rpm and maximum torque of 70.6 Nm/7.2 kgf-m/52.1ft-lb @ 7000 rpm. The Ducati 851 Strada Biposto had a dry weight of 199 kg/439 lbs and a wet weight of 210kg/462 lbs, and a fuel capacity of 20 litres/5.3 US gal/4.4 Imp gal. It had a top speed of around 240 km/h (150 mph) and a consumption average of 5.1 l/100 km/19.8 km/l/46.6 US mpg/55.9Imp mpg. The motorcycle had a tubular steel frame, Showa upside-down fork with rebound compression damping adjustable front suspension, and Showa single shock with preload and damping adjust rear suspension. It also featured 2 x 320 mm Disc, 4 piston calipers front brakes and a single 245 mm disc, 2 piston caliper rear brake, with a 6 speed transmission and a final drive ratio of 2.6:1 (15/39). The Ducati 851 Strada Biposto was available in a white frame with red colors and was reviewed favorably in IN MOTO 1992.

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Technical specifications:

Make Model: Ducati 851 Strada

Year: 1991 – 92

Engine: Four stroke, 90 degrees L twin cylinder, DOHC, desmodromic 4 valves per cylinder, belt driven

Capacity: 851 cc / 51.9 cu in

Bore x Stroke: 92 x 64 mm

Compression Ratio: 10.5:1

Cooling System: Liquid cooled

Induction: Weber I.A.W. CPU P7 electronic fuel injection. 2 x 50mm throttle bodies

Spark Plugs: Champion A59GC

Ignition: Inductive magnetically triggered

Battery: 12V 16Ah

Starting: Electric

Max Power: 80.9 kW / 110 hp @ 9600 rpm (rear tyre: 69.9 kW / 95 hp @ 9000 rpm)

Max Torque: 70.6 Nm / 7.2 kgf-m / 52.1ft-lb @ 7000 rpm

Clutch: Dry,multiplate

Transmission: 6 Speed

Primary Drive Ratio: 2:1 (31/62)

Gear Ratios: 1st 2.466 / 2nd 1.765 / 3rd 1.400 / 4th 1.182 / 5th 1.043 / 6th 0.958:1

Final Drive Ratio: 2.6:1 (15/39)

Final Drive: Chain

Frame: Tubular steel

Front Suspension: 41 mm Showa upside-down fork with rebound compression damping adjustable

Rear Suspension: Showa single shock with preload and damping adjust

Front Brakes: 2 x 320 mm Disc, 4 piston calipers

Rear Brakes: Single 245 mm disc, 2 piston caliper

Front Tyre: 120/60 x 17

Rear Tyre: 180/55 x 17

Rake: 24o

Trail: 94 mm / 3.7 in

Dimensions: Length: 2000 mm / 78.7 in Width: 670 mm / 26.4 in Height: 1120 mm / 44.1 in

Wheelbase: 1430 mm / 56.3 in

Seat Height: 760 mm / 29.9 in

Dry Weight: 199 kg / 439 lbs

Wet Weight: 210kg / 462 lbs

Fuel Capacity: 20 Litres / 5.3 US gal / 4.4 Imp gal

Consumption Average: 5.1 l/100 km / 19.8 km/l / 46.6 US mpg / 55.9Imp mpg

Colours: White frame, red

Road Test: IN MOTO 1992