| Engine Configuration |
Inline Four,
4-Stroke, DOHC |
| Engine Displacement |
599 cc |
| Engine Cooling
System |
Liquid |
| Compression
Ratio |
12.4:1 |
| Combustion
Chamber Design |
Pentroof |
| Valves Per
Cylinder |
4 |
| Intake Valves Per Cylinder |
2 |
Exhaust Valves Per Cylinder
|
2 |
| Bore x Stroke |
65.5 x 44.5 |
| Claimed
Peak Horsepower |
120 bhp
@ 13,000 rpm |
| Claimed
Peak Torque |
50.2 lbs.
ft. @11,500 rpm |
| Claimed Power To Weight
Ratio |
3.54 lbs. per horsepower |
| Measured
Peak Horsepower |
N.A. |
| Measured
Peak Torque |
N.A. |
| Engine Redline |
15,500 rpm |
| Valve Angle
(Included) |
28 degrees (14
degrees
Intake, 14 degrees Exhaust) |
| Combustion
Chamber Volume |
N.A. |
| Valve Train
Type |
DOHC,
Link-plate Chain Drive,
Bucket Followers, Shim-under-bucket
Lash Adjustment |
| Valve Adjustment
Interval |
26,000 miles |
| Intake Valve
Diameter |
25 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 |
N.A. |
| Exhaust
Valve Maximum Lift |
N.A. |
| Intake Valve
Timing |
|
| Open BTDC |
41 degrees |
| Close ABDC |
71 degrees |
| Duration |
292 degrees |
| Exhaust
Valve Timing |
|
| Open BBDC |
66 degrees |
| Close ATDC |
34 degrees |
| Duration |
280 degrees |
| Valve Timing
Measuring Point |
Intake, 0.15 mm;
Exhaust, 0.25 mm |
| Fuel Delivery
System |
(4) Keihin CVRD37
Flat-side CV carburetors |
| Carburetor
Venturi Size |
36.5 mm |
| Air Filter
Type |
Pleated Paper |
| Exhaust
System Type |
Four-into-two-into-one |
| Ignition
System |
Digital Electronic |
| Lubrication
System |
Wet Sump |
| Oil Capacity |
3.7 quarts
(3.5 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 |
6 |
| Number of
Clutch Plates |
15 |
| Drive Plates |
8 |
| Driven Plates |
7 |
| Primary
Drive |
Gear |
| Primary
Drive Gear Teeth (Ratio) |
44/ 86 (1.955:1) |
| Final Drive
Sprocket Teeth (Ratio) |
15/ 45 (3.000:1) |
| Transmission
Gear Teeth (Ratios) |
|
| 6th |
26/ 24 (1.083:1) |
| 5th |
25/ 21 (1.190:1) |
| 4th |
32/ 24 (1.333:1) |
| 3rd |
28/ 18 (1.556:1) |
| 2nd |
37/ 19 (1.947:1) |
| 1st |
37/ 13 (2.846:1) |
| Transmission
Overall Ratios |
|
| 6th |
6.352:1 |
| 5th |
6.979:1 |
| 4th |
7.818:1 |
| 3rd |
9.126:1 |
| 2nd |
11.419:1 |
| 1st |
16.692:1 |
