| Engine Configuration |
Inline Four, 4 Stroke |
| Engine Displacement |
599 cc |
| Engine Cooling
System |
Liquid |
| Compression
Ratio |
12.2:1 |
| Combustion
Chamber Design |
Pentroof |
| Valves Per
Cylinder |
4 |
| Intake Valves Per Cylinder |
2 (Steel) |
| Exhaust Valves Per Cylinder |
2 (Steel) |
| Bore x Stroke |
67 x 42.5 mm |
| Connecting Rod Length
(center-to-center) |
91.8mm |
| Connecting Rod Material |
Steel |
| Measured
Peak Horsepower |
102.8 bhp @ 13,900 rpm |
| Measured
Peak Torque |
42.61 lbs.-ft @ 11,400
rpm |
| Measured Horsepower-to-weight
Ratio |
3.98 pounds per horsepower |
| Engine Redline |
15,000 rpm |
| Valve Angle (Included) |
11.5 degrees intake,
12 degrees exhaust (23.5 degrees) |
| Combustion
Chamber Volume |
13.4 cc |
| Valve Train
Type |
DOHC, Link-plate Chain
Drive, Bucket Followers, Shim-under-bucket
Lash Adjustment |
| Valve Adjustment
Interval |
16,000 miles |
| Intake Valve
Diameter |
27.5 mm |
| Exhaust
Valve Diameter |
22 mm |
| Intake Valve
Stem Diameter |
4.0 mm |
| Exhaust
Valve Stem Diameter |
4.0 mm |
| Intake Valve
Maximum Lift |
8.3 mm |
| Exhaust
Valve Maximum Lift |
7.2 mm |
| Intake Valve
Timing |
|
| Open BTDC |
21 degrees |
| Close ABDC |
45 degrees |
| Duration |
245 degrees |
| Exhaust
Valve Timing |
|
| Open BBDC |
40 degrees |
| Close ATDC |
5 degrees |
| Duration |
225 degrees |
| Valve Timing
Measuring Point |
1.0 mm |
| Fuel Delivery
System |
Keihin Fuel Injection |
| Throttle
Body Venturi Size |
40 mm |
| Air Filter
Type |
Pleated Paper |
| Exhaust
System Type |
4-2-1 |
| Ignition
System |
Digital |
| Lubrication
System |
Wet Sump |
| Oil Capacity |
3.6 quarts |
| Fuel Capacity |
4.8 gallons |
| Transmission
Type |
6-speed, Constant Mesh |
| Clutch Type |
Multi-plate, Wet |
| Clutch Actuation System |
Cable |
| Clutch Spring Type |
Coil |
| Number Of Clutch Springs |
5 |
| Number of
Clutch Plates |
15 |
| Drive Plates |
8 |
| Driven Plates |
7 |
| Primary
Drive |
Gear (Straight Cut) |
| Primary
Drive Gear Teeth (Ratio) |
76/ 36 (2.111:1) |
| Final Drive
Sprocket Teeth (Ratio) |
42/ 16 (2.625:1) |
| Transmission
Gear Teeth (Ratios) |
|
| 6th |
29/ 24 (1.208:1) |
| 5th |
30/ 23 (1.304:1) |
| 4th |
26/ 18 (1.444:1) |
| 3rd |
30/ 18 (1.666:1) |
| 2nd |
32/ 16 (2.000:1) |
| 1st |
33/ 12 (2.750:1) |
| Transmission
Overall Ratios |
|
| 6th |
6.693:1 |
| 5th |
7.225:1 |
| 4th |
8.001:1 |
| 3rd |
9.237:1 |
| 2nd |
11.082:1 |
| 1st |
15.238:1 |
