Ducati 851 Stradaback 1991

Water cooled, 851cc, 90° V-twin, SOHC

Power: 92.32 HP (67.9 kW) @ 9600 rpm
Torque: 77.48 Nm (57.15 lb-ft) @ 6800 rpm
Final drive: Chain
Top speed: 139.81 mph
Curb weight: 496 lbs
Category: Supersport
Tags: Supersport
Engine and transmission
Engine type: 2 cylinders, 4-stroke, 90° V-twin
Displacement: 851 cc (52 cubic inches)
Bore × stroke: 3.62 inch × 2.52 inch (oversquare - shortstroke)
Cooling system: Water cooled
Power: 92.32 HP (67.9 kW) @ 9600 rpm
Torque: 77.48 Nm (57.15 lb-ft) @ 6800 rpm
Throttle: Cable operated
Valves
Valve train: SOHC, variable
Valves per cylinder: 4
Fuel and ignition
Sparks per cylinder: 1
Fuel supply system: Carburetor
Ignition type: Analogue CDI (Capacitive Discharge Ign.)
Compression: 10:1
Engine mounting: Transverse
Lubrication system: Wet sump
Gear box: Manual 6-speed
Clutch: Wet, cable operated
Final drive: Chain
Spark plug pipe type: Champion, RA6HC
Motor oil: Synthetic, 10W/40
Starter: Electric
Dimensions
Wheel base: 54.9 inch
Seat height: 30.7 inch
Weight
Curb weight: 496 lbs
Dry weight: 445.3 lbs
Chassis and suspension
Frame type: steel, Trellis frame
Front
Suspension: Cartridge - upside-down
Suspension travel: 4.72 inch
Brake: Twin Disk, Ø12.6 inch
Tire: 120 / 60 R17 ZR
Tire pressure: 0.14 PSI
Rear
Suspension: mono shock, Swingarm
Suspension travel: 5.35 inch
Brake: Disk, Ø9.65 inch
Tire: 180 / 55 R17 ZR
Tire pressure: 0.16 PSI
Other
ABS available: No
Power-to-weight ratio: 0.30 KW/lbs (3.31 lbs/HP)
Top speed: 139.81 mph
Fuel capacity: 5.28 gals
Number of riders: 2 persons

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