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2004 ZX6RR

 Engine Configuration  Inline Four, 4-Stroke, DOHC
 Engine Displacement  599 cc
 Engine Cooling System  Liquid
 Compression Ratio 13.5:1
 Combustion Chamber Design  Pentroof
 Valves Per Cylinder  4
Intake Valves Per Cylinder  2
Exhaust Valves Per Cylinder  2
 Bore x Stroke  67.0 x 42.5 mm
 Claimed Peak Horsepower  119 bhp @ 12,000 rpm
 Claimed Peak Torque  47.5 lbs. - ft. @ 11,000 rpm
 Measured Peak Horsepower  99.7 bhp @ 13,000 rpm
 Measured Peak Torque  42.6 lbs. - ft. @ 11,500 rpm
 Measured Power To Weight Ratio  4.22 pounds per horsepower
 Engine Redline 15,500 rpm
 Valve Angle (Included)  12 degrees intake/ 13 degrees exhaust (25 degrees)
 Combustion Chamber Volume  10.2 cc
 Valve Train Type  DOHC, Link-plate Chain Drive,
Bucket Followers, Shim-under-bucket
Lash Adjustment, Slotted Cam Sprockets
 Valve Adjustment Interval  11,000 miles
 Intake Valve Diameter  27.5 mm
 Exhaust Valve Diameter  22.6 mm
 Intake Valve Stem Diameter  4.0 mm
 Exhaust Valve Stem Diameter  4.0 mm
 Intake Valve Maximum Lift  8.8 mm
 Exhaust Valve Maximum Lift 7.2 mm
 Intake Valve Timing  
Open BTDC  55 degrees
Close ABDC  85 degrees
  Duration  320 degrees
 Exhaust Valve Timing  
  Open BBDC  61 degrees
  Close ATDC  31 degrees
  Duration  320 degrees
 Valve Timing Measuring Point  1.0 mm.
 Fuel Delivery System Kehin Fuel Injection
Throttle Body Venturi Size   38 mm
 Air Filter Type Wet Element, Pleated Paper
 Exhaust System Type   4-1
 Ignition System   Digital Electronic
 Lubrication System  Wet Sump
 Oil Capacity   4.2 quarts (4.0 liters)
 Fuel Capacity  4.8 gallons (18 liters)
 Transmission Type  6-speed, Constant Mesh, Adjustable
 Clutch Type  Multi-plate, Wet, Back-torque-limiting, Slipper-type
Clutch Actuation System Cable
Clutch Spring Type  Coil
Number Of Clutch Springs 6
 Number of Clutch Plates 17
Drive Plates 9
Driven Plates 8
 Primary Drive  Gear
 Primary Drive Gear Teeth (Ratio)  89/44 (2.022:1)
 Final Drive Sprocket Teeth (Ratio) 40/15 (2.666:1)
 Transmission Gear Teeth (Ratios)  

6th
 27/ 22 (1.227:1)

5th
 28/ 21 (1.333:1)

4th
 33/22 (1.500:1)

3rd
  31/ 18 (1.722:1)

2nd
 37/ 18 (2.055:1)

1st
 38/ 14 (2.714:1)
 Transmission Overall Ratios

  6th
6.888:1

  5th
7.190:1

  4th
8.091:1

  3rd
9.288:1

  2nd
11.085:1

  1st
14.639:1
 Theoretical Speed In Gears at Redline  

6th
 165 mph

5th
158 mph

4th
141 mph

3rd
122 mph

2nd
103 mph

1st
 78 mph