Ducati 851 Strada and Superbike Kit (1988)

The Ducati 851 Strada Tricolore and Superbike Kit was manufactured in 1988 and featured a Four stroke, 90 degrees L twin cylinder, DOHC, desmodromic 4 valves per cylinder, and belt-driven engine with a capacity of 851 cc / 51.9 cu in. It had a liquid-cooled cooling system, Weber I.A.W. CPU P7 electronic fuel injection, and an inductive magnetically triggered ignition. The Strada and Kit models had different compression ratios, with the Kit producing a higher max power of 88 kW / 120 hp @ 10000 rpm compared to the Strada’s 75 kW / 102hp @ 9000rpm. The motorcycle had a dry, multiplate clutch and 6-speed transmission with gear ratios differing slightly between the Strada and Kit models. The bike also featured a tubular steel frame, Marzocchi M1R upside-down fork, Marzocchi Supermono shock, and 2 x 280 mm front disc brakes and a single 260 mm rear disc brake. The Strada and Kit models also had different tire dimensions and weight, with the Kit weighing in at 165 kg compared to the Strada’s 185 kg. The motorcycle was tested by various magazines, including Moto.Revue and Motociclismo, in the late 1980s and early 1990s.

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Technical specifications:

Make Model: Ducati 851 Strada Tricolore and Superbike Kit

Year: 1988

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: Strada: 10.2:1 Kit: 10.6:1

Cooling System: Liquid cooled

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

Spark Plugs: Champion A59G

Ignition: Inductive magnetically triggered

Battery: 12V 14Ah

Starting: Electric

Max Power: Strada: 75 kW / 102hp @ 9000rpm Kit: 88 kW / 120 hp @ 10000 rpm

Max Torque: 71.2 Nm / 7.26 kgf-m / 52.5 ft-lb @ 7250 rpm

Clutch: Dry,multiplate

Transmission: 6 Speed

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

Gear Ratios: Strada: 1st 2.466 / 2nd 1.765 / 3rd 1.350 / 4th 1.091 / 5th 0.958 / 6th 0.857:1 Kit: 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: Marzocchi M1R upside-down fork with rebound compression damping adjustable

Rear Suspension: Marzocchi Supermono shock with preload and damping adjustable, rising rate swingarm

Front Brakes: 2 x 280 mm Disc, 4 piston calipers

Rear Brakes: Single 260 mm disc, 2 piston caliper

Front Tyre: Strada: 130/60 x 16 Kit: 120/60 x ZR17

Rear Tyre: Strada: 160/60 x 16 Kit: 180/67 x ZR17

Dimensions: Length: 2050 mm / 80.7 in Width: 700 mm / 27.6 in Height: 1130 mm / 44.5 in

Wheelbase: 1460 mm / 57.5 in

Seat Height: 760 mm / 29.9 in

Dry Weight: Strada: 185 kg / 408 lbsKit: 165 kg / 363 lbs

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

Colours: Silver frame, red, white and green

Road Test: Moto.Revue 1989 Moto Sprint Group Test 1988 Moto Sprint Group Test 1989 Moto Sprint Group Test 1990 Motociclismo 1989