| Engine Configuration |
Inline Four, 4-Stroke,
DOHC |
| Engine Displacement |
599 cc |
| Engine Cooling
System |
Liquid |
| Compression Ratio |
12.5:1 |
| Combustion Chamber
Design |
Twin Swirl |
| Valves Per Cylinder |
4 |
| Intake Valves Per Cylinder |
2 |
| Exhaust Valves Per Cylinder |
2 |
| Bore x Stroke |
67 x 42.5 mm |
| Measured Peak
Horsepower |
108.4 bhp @ 13,100
rpm |
| Measured Peak
Torque |
44.3 lbs. - ft.
@ 11,000 rpm |
| Measured Power To Weight Ratio |
4.0 pounds per horsepower |
| Claimed Engine
Redline |
15,000 rpm |
| Measured Engine Redline |
15,200 rpm |
| Valve Angle (Included) |
10 degrees intake,
12 degrees exhaust (22 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 |
14,500 miles |
| Intake Valve Diameter |
27.2 mm |
| Exhaust Valve
Diameter |
22 mm |
| Intake Valve Stem
Diameter |
4.5 mm |
| Exhaust Valve
Stem Diameter |
4.5 mm |
| Intake Valve Maximum
Lift |
8.6 mm |
| Exhaust Valve
Maximum Lift |
8.0 mm |
| Intake Valve
Timing |
|
| Open BTDC |
38 degrees |
| Close ABDC |
66 degrees |
| Duration |
284degrees |
| Exhaust Valve
Timing |
|
| Open BBDC |
57 degrees |
| Close ATDC |
29 degrees |
| Duration |
284degrees |
| Valve Timing Measuring
Point |
0.3 mm. |
| Fuel Delivery
System |
Mikuni Fuel Injection |
| Throttle Body
Venturi Size |
40 mm |
| Air Filter Type |
Pleated Paper |
| Exhaust System
Type |
4-2-1 |
| Ignition System |
Digital Electric |
| Lubrication System |
Wet Sump |
| Oil Capacity |
3.1 quarts (2.9
liters) |
| Fuel Capacity |
4.4 gallons (16.5
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 (Straight-cut) |
| Primary Drive
Gear Teeth (Ratio) |
77/ 39 (1.974:1) |
| Final Drive Sprocket
Teeth (Ratio) |
43/16 (2.687:1) |
| Transmission
Gear Teeth (Ratios) |
|
| 6th |
29/ 24 (1.208:1) |
| 5th |
31/ 23 (1.347:1) |
| 4th |
36/ 24 (1.500:1) |
| 3rd |
36/ 21 (1.714:1) |
| 2nd |
39/ 19 (2.052:1) |
| 1st |
39/ 14 (2.785:1) |
| Transmission
Overall Ratios |
|
| 6th |
6.407:1 |
| 5th |
7.144:1 |
| 4th |
7.956:1 |
| 3rd |
9.091:1 |
| 2nd |
10.883:1 |
| 1st |
14.771:1 |
