| Engine Configuration |
Inline Four, 4-Stroke |
| 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 mm |
| Measured Peak
Horsepower |
105.3 bhp @ 13,000
rpm |
| Measured Peak
Torque |
43.6 lbs.-ft.
@ 10,150 rpm |
| Measured Horsepower-to-weight
Ratio |
4.00 lbs. per horsepower |
| Engine Redline |
15,500 rpm |
| Valve Angle (Included) |
14.0 degrees intake/
14.0 degrees exhaust (28.0 degrees) |
| Combustion Chamber
Volume |
10.6 cc |
| Valve Train Type |
DOHC, Link Plate
Chain Drive, Bucket Followers, Shim-under-bucket
Lash Adjustment |
| Valve Adjustment
Interval |
26,600 miles |
| Intake Valve Diameter |
25.0 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 |
8.5 mm |
| Exhaust Valve
Maximum Lift |
7.6 mm |
| Intake Valve Timing |
|
| Open BTDC |
39 degrees |
| Close ABDC |
69 degrees |
| Duration |
288 degrees |
| Exhaust Valve Timing |
|
| Open BBDC |
66 degrees |
| Close ATDC |
34 degrees |
| Duration |
280 degrees |
| Valve Timing Measuring
Point |
Intake, 0.15 mm;
Exhaust, 0.25mm |
| Fuel Delivery
System |
Mikuni Fuel Injection |
| Throttle Body
Venturi Size |
40 mm |
| Air Filter Type |
Wet Elements |
| Exhaust System
Type |
4-2-1 |
| Ignition System |
Digital Electric |
| Lubrication System |
Wet Sump |
| Oil Capacity |
3.6 quarts (3.4
liters) |
| Fuel Capacity |
4.5 gallons (17.0
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) |
86/44 (1.955:1) |
| Final Drive Sprocket
Teeth (Ratio) |
48/16 (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 |
