| Engine Configuration |
Inline Four, 4-Stroke |
| Engine Displacement |
599 cc |
| Engine Cooling
System |
Liquid |
| Compression Ratio |
13.9:1 |
| 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 |
| Measured Peak
Horsepower |
101.6 bhp @ 12,000
rpm |
| Measured Peak
Torque |
45.0 lbs.-ft.
@ 10,500 rpm |
| Measured Horsepower-to-weight
Ratio |
4.23 lbs. per horsepower |
| Engine Redline |
16,500 rpm |
| Valve Angle (Included) |
12.0 degrees Intake/
13.0 degrees exhaust (25.0 degrees) |
| Combustion Chamber
Volume |
13.0 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 |
27.5 mm |
| Exhaust Valve
Diameter |
23.0 mm |
| Intake Valve Stem
Diameter |
4.0 mm |
| Exhaust Valve
Stem Diameter |
4.0 mm |
| Intake Valve Maximum
Lift |
8.7 mm |
| Exhaust Valve
Maximum Lift |
7.0 mm |
| Intake Valve Timing |
|
| Open BTDC |
59 degrees |
| Close ABDC |
81 degrees |
| Duration |
320 degrees |
| Exhaust Valve Timing |
|
| Open BBDC |
57 degrees |
| Close ATDC |
27 degrees |
| Duration |
264 degrees |
| Valve Timing Measuring
Point |
1.0 mm |
| Fuel Delivery
System |
Kehin Fuel Injection |
| Throttle Body
Venturi Size |
38 mm |
| Air Filter Type |
Pleated Paper
Element |
| Exhaust System
Type |
4-1, with ECU-controlled
Valve |
| Ignition System |
Digital Electric |
| Lubrication System |
Wet Sump |
| Oil Capacity |
4.2 quarts (4.0
liters) |
| Fuel Capacity |
4.5 gallons (17.0
liters) |
| Transmission Type |
6-speed, Constant
Mesh |
| Clutch Type |
Multi-plate, Wet,
Back-torque limiting |
| 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) |
87/46 (1.891:1) |
| Final Drive Sprocket
Teeth (Ratio) |
43/15 (2.866:1) |
| Transmission Gear
Teeth (Ratios) |
|
6th
|
27/22 (1.227:1) |
5th
|
28/21 (1.333:1) |
4th
|
32/22 (1.500:1) |
3rd
|
31/18 (1.722:1) |
2nd
|
37/18 (2.055:1) |
1st
|
39/16 (2.437:1) |
| Transmission Overall
Ratios |
|
6th
|
6.650:1 |
5th
|
7.224:1 |
4th
|
8.129:1 |
3rd
|
9.333:1 |
2nd
|
11.137:1 |
1st
|
13.208:1 |
