1999 Suzuki GSX1300R Hayabusa

 Engine Configuration  Inline Four, 4-Stroke, DOHC
 Engine Displacement 1298 cc
 Engine Cooling System  Liquid
 Compression Ratio 11.0: 1
 Combustion Chamber Design  Twin Swirl
 Valves Per Cylinder  4

  Intake Valves Per Cylinder
 2

  Exhaust Valves Per Cylinder
 2
 Bore x Stroke  81.0 x 63.0 mm
 Claimed Peak Horsepower 172.6 bhp @ 9800 rpm
 Claimed Peak Torque 102 lbs - ft. @ 7000 rpm
 Measured Peak Horsepower  158.3 bhp @ 9400 rpm
 Measured Peak Torque  99.0 lbs. - ft. @ 7100 rpm
 Measured Power To Weight Ratio  3.48 pounds per horsepower
 Engine Redline 10, 900
 Valve Angle (Included)  14 degrees intake, 14 degrees exhaust (28 degrees)
 Combustion Chamber Volume  18.8 cc
 Valve Train Type   DOHC, Link-plate Chain Drive,
Bucket Followers, Shim-under-bucket
Lash Adjustment
 Valve Adjustment Interval  15,000 miles
 Intake Valve Diameter  33 mm
 Exhaust Valve Diameter  27.5 mm
 Intake Valve Stem Diameter  5.0 mm
 Exhaust Valve Stem Diameter  5.0 mm
 Intake Valve Maximum Lift  8.8 mm
 Exhaust Valve Maximum Lift  7.5 mm
 Intake Valve Timing

  Open BTDC
  32 degrees

  Close ABDC
 64 degrees

  Duration
 276 degrees
 Exhaust Valve Timing

  Open BBDC
 49 degrees

  Close ATDC
  30 degrees

  Duration
 259 degrees
 Valve Timing Measuring Point  0.3 mm.
 Fuel Delivery System  Keihin Electronic Fuel Injection
 Throttle Body Venturi Size 46 mm
 Air Filter Type  Non-woven Pleated Fabric
 Exhaust System Type 4-2-1-2
 Ignition System
 Digital Electronic
 Lubrication System Wet Sump
 Oil Capacity  3.7 quarts (3.5 liters)
 Fuel Capacity  5.8 gallons (22.0 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 19

  Drive Plates
10

  Driven Plates
9
 Primary Drive   Gear
 Primary Drive Gear Teeth (Ratio)  52/ 83 (1.596:1)
 Final Drive Sprocket Teeth (Ratio)  17/ 40 (2.352:1)
 Transmission Gear Teeth (Ratios)

 6th
  24/ 23 (1.043:1)

 5th
 25/ 22 (1.136:1)

 4th
 27/ 21 (1.285:1)

 3rd
 29/ 19 (1.526:1)

 2nd
 31/ 16 (1.937:1)

 1st
 34/ 13 (2.615:1)
 Transmission Overall Ratios

 6th
3.918: 1

 5th
4.267: 1

 4th
4.828: 1

 3rd
5.732: 1

 2nd
7.276: 1

 1st
9.822: 1