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2017 BMW S1000RR

Engine Configuration Inline Four, 4-Stroke
Engine Displacement 999 cc
Engine Cooling  
Compression Ratio 13.0:1
Combustion Chamber Design  
Valves Per Cylinder 4
Intake Valves Per Cylinder  
Exhaust Valves Per Cylinder  
Bore x Stroke 80.0 mm x 49.7 mm
Conecting Rod Length
(center-to-center)
103.0 mm
Connecting Rod Material Steel
Claimed Peak Horsepower  
Claimed Peak Torque  
Engine Redline 14,200 rpm
Valve Angle (Included) 11.2 degrees intake/ 13.3 degrees exhaust (24.5 degrees)
Combustion Chamber Volume 20.5cc
Valve Train Type DOHC, Gear/Link-plate Chain Drive, Finger Followers, Shim-in-retainerAdjustment
Valve Adjustment Interval  
Intake Valve Diameter 33.5 mm (titanium)
Exhaust Valve Diameter 27.2 mm (titanium)
Intake Valve Stem Diameter  
Exhaust Valve Stem Diameter  
Intake Valve Maximum Lift 10.1mm
Exhaust Valve Maximum Lift 8.54mm
Intake Valve Timing  
Open BTDC 0.5 degrees
Close ABDC 30.5 degrees
Duration 211 degrees
Exhaust Valve Timing  
Open BTDC 22.5 degrees
Close ABDC 10.5 degrees
Duration 213 degrees
Valve Timing Measuring Point 3.0mm (lift)
Fuel Delivery System  
Throttle Body Venturi Size 48mm
Air Filter Type  
Exhaust System Type 4-2-1 (stainless steel)
Ignition System  
Lubrication System  
Oil Capacity  
Fuel Capacity  
Transmission Type 6-speed, Constant Mesh 
Clutch Type Multi-plate, Wet,Back-torque-limiting
Clutch Actuation System Cable
Clutch Spring Type Coil
Number Of Clutch Springs  
Number of Clutch Plates  
Drive Plates  
Driven Plates  
Primary Drive Gear (straight cut)
Primary Drive Gear Teeth (Ratio) 76/46 (1.652:1)
Final Drive Sprocket Teeth (Ratio) 45/17 (2.647:1)
Transmission Gear Teeth (Ratios)  
6th 29/23 (1.261:1)
5th 34/25 (1.360:1)
4th 36/24 (1.500:1)
3rd 38/22 (1.727:1)
2nd 46/22 (2.091:1)
1st 45/17 (2.647:1)
 Transmission Overall Ratios  
6th  
5th  
4th  
3rd  
2nd  
1st