'04 Honda 599

Engine Configuration  4-cylinder Inline Four, 4-Stroke, DOHC
 Engine Displacement 599cc
 Engine Cooling System  Liquid
 Compression Ratio 12.0:1
 Combustion Chamber Design  Pentroof
 Valves Per Cylinder  4

Intake Valves Per Cylinder
 2

 Exhaust Valves Per Cylinder
 2
 Bore x Stroke 65.0 x 45.2 mm (2.55 inches x 1.78 inches)
 Claimed Peak Horsepower 95 bhp @ 12,000 rpm
 Claimed Peak Torque 46 lbs. - ft. @ 9,500 rpm
 Measured Peak Horsepower  83.4 bhp @ 11,500 rpm
Measured Peak Torque 42.8 lbs.- ft. @ 9,500 rpm
 Engine Redline 13,000 rpm
 Valve Angle (Included) 32 degrees (15 degrees
Intake, 17 degrees Exhaust)
 Combustion Chamber Volume 27 cc
 Valve Train Type Link-plate Chain Drive,
Bucket Followers, Shim-under-bucket
Lash Adjustments
 Valve Adjustment Interval    16,000 miles
 Intake Valve Diameter 25.5 mm
 Exhaust Valve Diameter 22.0 mm
  Intake Valve Stem Diameter 4.0 mm
 Exhaust Valve Stem Diameter 4.0 mm
  Intake Valve Maximum Lift 16 mm
 Exhaust Valve Maximum Lift 16 mm
  Intake Valve Timing  

  Open BTDC
15 degrees

 Close ABDC
35 degrees

  Duration
230 degrees
 Exhaust Valve Timing  

  Open BTDC
15 degrees

Open ABDC
35 degrees

  Duration
230 degrees
 Valve Timing Measuring Point 1mm
 Fuel Delivery System Flatside CV-type Carburetors
Throttle Body Venturi Size 34 mm
 Air Filter Type Paper Element
 Exhaust System Type 4-2-1, Stainless Steel
 Ignition System  Digital Electronic
 Lubrication System  Dry Sump
 Oil Capacity 4.4 quarts (4.2 liters)
 Fuel Capacity 4.5 gallons (17 liters)
 Transmission Type  6-speed, Constant Mesh
 Clutch Type  Multi-plate, Wet

  Clutch Actuation System
 Cable

  Clutch Spring Type
 Coil
Number Of Clutch Springs 4

 Number of Clutch Plates
17

  Drive Plates
9

  Driven Plates
8
 Primary Drive  Gear
Primary Drive Gear Teeth (Ratio) 82/44 (1.863:1)
Final Drive Sprocket Teeth (Ratio) 42/15 (2.800:1)
Transmission Gear Teeth (Ratios)  

 6th
25/ 23 (1.086:1)

 5th
24/ 20 (1.200:1)

 4th
26/ 19 (1.368:1)

 3rd
28/ 17 (1.647:1)

 2nd
33/ 16 (2.062:1)

 1st
41/ 14 (2.928:1)
 Transmission Overall Ratios  

 6th
5.661:1

 5th
6.262:1

 4th
7.138:1

 3rd
8.594:1

 2nd
10.760:1

 1st
15.279:1
 Theoretical Speed In Gears At Redline  

6th
169 mph

5th
152 mph

4th
134 mph

3rd
111 mph

2nd
89 mph

1st
62 mph