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 2010 MV Agusta F4

Engine Configuration Inline Four, 4-Stroke
Engine Displacement 998 cc
Engine Cooling Liquid
Compression Ratio 13.0:1
Combustion Chamber Design Four-lobe, Radial Valve
Valves Per Cylinder 4
Intake Valves Per Cylinder 2 (Titanium)
Exhaust Valves Per Cylinder 2 (Steel)
Bore x Stroke 76 mm x 55 mm
Conecting Rod Length
(center-to-center)
107.3 mm
Connecting Rod Material Steel
Measured Peak Horsepower 163.77 bhp @ 12,250 rpm
Measured Peak Torque 76.76 lbs. - ft. @ 9,250 rpm
Measured Horsepower-to-weight Ratio 2.87 pounds per horsepower
Engine Redline 13,500 rpm
Valve Angle (Included) 10.25 degrees Intake/ 12.5 degrees Exhaust (22.75 degrees)
Combustion Chamber Volume 11.6 cc
Valve Train Type DOHC, Gear and Roller Chain Drive, Bucket Tappets, Shim-under-bucket Lash Adjustment
Valve Adjustment Interval 7,500 miles
Intake Valve Diameter 30 mm
Exhaust Valve Diameter 25.0 mm
Intake Valve Stem Diameter 4.5 mm
Exhaust Valve Stem Diameter 4.5 mm
Intake Valve Maximum Lift 10.3 mm
Exhaust Valve Maximum Lift 9.0 mm
Intake Valve Timing  
Open BTDC 16 degrees
Close ABDC 60 degrees
Duration 256 degrees
Exhaust Valve Timing  
Open BTDC 48 degrees
Close ABDC 18 degrees
Duration 246 degrees
Valve Timing Measuring Point 1.0 mm (lift)
Fuel Delivery System Magneti Marelli IAW 7BM Digital Fuel Injection
Throttle Body Venturi Size 49 mm
Air Filter Type Pleated Paper
Exhaust System Type 4-2-1 (Stainless Steel/Aluminum)
Ignition System Digital
Lubrication System Wet Sump
Oil Capacity 3.7 quarts (3.5 liters)
Fuel Capacity 4.5 gallons (17.0 liters)
Transmission Type 6-speed, Constant Mesh, Cassette-type
Clutch Type Multi-plate, Wet, Back-torque-limiting
Clutch Actuation System Hydraulic
Clutch Spring Type Coil
Number Of Clutch Springs 4
Number of Clutch Plates 19
          Drive Plates 10
          Driven Plates 9
Primary Drive Gear (Straight-cut)
Primary Drive Gear Teeth (Ratio) 79/50 (1.210:1)
Final Drive Sprocket Teeth (Ratio) 41/15 (2.730:1)
Transmission Gear Teeth (Ratios)  
6th 23/19 (1.210:1)
5th 29/22 (1.318:1)
4th 30/20 (1.500:1)
3rd 31/18 (1.722:1)
2nd 33/16 (2.062:1)
1st 37/14 (2.642:1)
 Transmission Overall Ratios  
6th 5.220:1
5th 5.690:1
4th 6.470:1
3rd 7.427:1
2nd 8.894:1
1st 11.396:1