2009 Buell 1125CR

Engine Configuration V-Twin, 4 stroke,
Engine Displacement 1125 cc
Engine Cooling Liquid
Compression Ratio 12.3:1
Combustion Chamber Design Pentroof
Valves Per Cylinder 4
Intake Valves Per Cylinder
Exhaust Valves Per Cylinder
Bore x Stroke 103 mm x 67.5 mm
Conecting Rod Length
Connecting Rod Material Chrome-molly Steel
Claimed Peak Horsepower 146 bhp @ 9,800 rpm
Claimed Peak Torque 82 lbs. - ft. @ 8,000 rpm
Engine Redline 10,500 rpm
Valve Angle (Included) 8 degrees Intake/ 6 degrees Exhaust (14 degrees)
Combustion Chamber Volume 26.4cc
Valve Train Type DOHC, Chain Drive, Finger Follower, Shim Lash Adjustment
Valve Adjustment Interval 12,400 miles
Intake Valve Diameter 41.3 mm (steel)
Exhaust Valve Diameter 35 mm (steel)
Intake Valve Stem Diameter 5.5mm
Exhaust Valve Stem Diameter 5.5mm
Intake Valve Maximum Lift 10.4 mm
Exhaust Valve Maximum Lift 10.6mm
Intake Valve Timing  
          Open BTDC 20 degrees
          Close ABDC 52 degrees
          Duration 252 degrees
Exhaust Valve Timing  
          Open BTDC 66 degrees
          Close ABDC 13 degrees
          Duration 259 degrees
Valve Timing Measuring Point 1mm (lift)
Fuel Delivery System Buell DDFI III Fuel Injection
Throttle Body Venturi Size 61 mm
Air Filter Type Pleated Paper Element
Exhaust System Type 2-1-2 (Stainless Steel)
Ignition System DDFI III Digital
Lubrication System Dry Sump, Integrated Crankcase Oil Reservoir/ Evacuated Crankcase Compartment
Oil Capacity 2.7 quarts (2.5 liters)
Fuel Capacity 5.3 gallons (20 liters)
Transmission Type 6-speed
Clutch Type Multi-plate, Wet, Back-torque-limiting
Clutch Actuation System Hydraulic, Vacuum Assist (HVA)
Clutch Spring Type Coil
Number Of Clutch Springs 6
Number of Clutch Plates 19
          Drive Plates 9
          Driven Plates 10
Primary Drive Gear (Straight-cut)
Primary Drive Gear Teeth (Ratio) 65/36 (1.806:1)
Final Drive Sprocket Teeth (Ratio) 76/27 (2.815:1)
Transmission Gear Teeth (Ratios)  
6th 24/25 (0.960:1)
5th 25/24 (1.042:1)
4th 27/23 (1.174:1)
3rd 29/21 (1.381:1)
2nd 28/16 (1.750:1)
1st 32/13 (2.462:1)
 Transmission Overall Ratios  
6th 4.880:1
5th 5.298:1
4th 5.967:1
3rd 7.021:1
2nd 8.897:1
1st 12.516:1