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Ducati Supersport

Engine Configuration 90-Degree, V-Twin, 4-Stroke Testastretta
Engine Displacement 937cc
Engine Cooling System Liquid
Compression Ratio 12.6:1
Combustion Chamber Design Pentroof
Valves Per Cylinder 4
Intake Valves Per Cylinder
2 (Steel)
Exhaust Valves Per Cylinder
2 (Steel)
Bore x Stroke 94.0mm x 67.5mm
Claimed Peak Horsepower 113 bhp @ 9,000 rpm
Claimed Peak Torque 71.3 lbs-ft. @ 6,500 rpm
Measured Peak Horsepower
Measured Peak Torque
Measured Horsepower To Weight Ratio
Engine Redline 9,000rpm
Valve Angle (Included) N/A
Combustion Chamber Volume 40.4 cc
Valve Train Type
DOHC, Toothed Belt Drive, Desmodromic, Shim-Under-Rocker Lash Adjustment
Valve Adjustment Interval 18,000 miles (28,800km)
Intake Valve Diameter 35.5mm
Exhaust Valve Diameter 28.8mm
Intake Valve Stem Diameter N/A
Exhaust Valve Stem Diameter N/A
Intake Valve Maximum Lift 11.3mm
Exhaust Valve Maximum Lift 9.6mm
Intake Valve Timing

Open BTDC
4degrees
Close ABDC
52 degrees
Duration
236 degrees
Exhaust Valve Timing
Open BBDC
58 degrees
Close ATDC
7degrees
Duration
245 degrees
Valve Timing Measuring Point 1.0mm)
Fuel Delivery System Continental/ Mikuni Digital Fuel Injection
Throttle Body Venturi Size 53 mm
Air Filter Type Cylindrical Fiber Element
Exhaust System Type 2-1-2 (Stainless Steel w/ Aluminum Mufflers)
Ignition System Digital
Lubrication System Wet Sump
Oil Capacity 3.6 quarts (3.4 liters)
Fuel Capacity 4.2 gallons (15.9 liters)
Transmission Type 6-speed, Constant Mesh
Clutch Type Multi-plate, Wet, Assist-Slipper
Clutch Actuation System
Hydraulic
Clutch Spring Type
Coil
Number Of Clutch Springs 3

Number of Clutch Plates
21
Drive Plates
11
Driven Plates
10
Primary Drive Gear (Straight-cut)
Primary Drive Gear Teeth (Ratio) N.A./ N.A (1.840:1)
Final Drive Sprocket Teeth (Ratio) 43/15 (2.860:1)
Transmission Gear Teeth (Ratios)
6th
23/24 (0.958:1)
5th
24/23 (1.043:1)
4th
26/22 (1.181:1)
3rd
28/20 (1.400:1)
2nd
30/17 (1.764:1)
1st
37/15 (2.366:1)
Transmission Overall Ratios
6th
5.041:1
5th
5.489:1
4th
6.215:1
3rd
7.367:1
2nd
9.283:1
1st
12.451:1
Theoretical Speed in Gears at Redline
6th
5th
4th
3rd
2nd
1st