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1999 Honda CBR1100XX

Engine Configuration  Inline Four, 4-Stroke, DOHC
 Engine Displacement 1137 cc
 Engine Cooling System  Liquid
 Compression Ratio 11.0:1
 Combustion Chamber Design  Pentroof
 Valves Per Cylinder  4

Intake Valves Per Cylinder
 2

 Exhaust Valves Per Cylinder
 2
 Bore x Stroke 79.0 x 58.0
 Claimed Peak Horsepower 152 bhp @9500 rpm
 Claimed Peak Torque 90 lbs. - ft. @ 7250 rpm
 Measured Peak Horsepower 136.2 bhp @ 9600 rpm
Measured Peak Torque 81.5 lbs. - ft. @ 7400 rpm
Measured Power To Weight Ratio  4.12 Pounds Per Horsepower
 Engine Redline 10,800 rpm
Valve Angle (Included) 30 degrees (15 degrees
Intake, 15 degrees Exhaust)
 Combustion Chamber Volume 20.5
 Valve Train Type
DOHC, Link-plate Chain Drive,
Bucket Followers, Shim-under-bucket
Lash Adjustment
 Valve Adjustment Interval    16,000 miles
 Intake Valve Diameter 32.0 mm
 Exhaust Valve Diameter 27.0 mm
  Intake Valve Stem Diameter 5.0 mm
 Exhaust Valve Stem Diameter 5.0 mm
  Intake Valve Maximum Lift 8.3 mm
 Exhaust Valve Maximum Lift 8.2 mm
  Intake Valve Timing  

  Open BTDC
17 degrees

 Close ABDC
40 degrees

  Duration
237 degrees
 Exhaust Valve Timing  

  Open BBDC
40 degrees

  Close ATDC
20 degrees

  Duration
240 degrees
 Valve Timing Measuring Point 1.0 mm
 Fuel Delivery System Keihin Electronic Fuel Injection
Throttle Body Venturi Size 42 mm
 Air Filter Type Pleated Paper
 Exhaust System Type 4-2-1-2
 Ignition System  Digital Electronic
 Lubrication System  Wet Sump
 Oil Capacity 4.9 quarts (4.6 liters)
 Fuel Capacity 6.3 gallons (24 liters)
 Transmission Type  6-speed, Constant Mesh
 Clutch Type  Multi-plate, Wet

  Clutch Actuation System
Hydraulic

  Clutch Spring Type
 Coil
Number Of Clutch Springs 6

 Number of Clutch Plates
 13

  Drive Plates
7

  Driven Plates
6
 Primary Drive  Gear
Primary Drive Gear Teeth (Ratio) 56/ 88 (1.571:1)
Final Drive Sprocket Teeth (Ratio) 17/ 45 (2.647:1)
Transmission Gear Teeth (Ratios)  

 6th
25/ 24 (1.042:1)

 5th
28/ 24 (1.167:1)

 4th
28/ 21 (1.333:1)

 3rd
30/ 19 (1.579:1)

 2nd
32/ 16 (2.000:1)

 1st
36/ 13 (2.769:1)
 Transmission Overall Ratios  

 6th
4.333: 1

 5th
4.853: 1

 4th
5.543: 1

 3rd
6.566: 1

 2nd
8.317: 1

 1st
11. 515