| Engine Configuration |
Inline Four, 4-Stroke |
| Engine Displacement |
599cc |
| Engine Cooling
System |
Liquid |
| Compression
Ratio |
12.8:1 |
| Combustion
Chamber Design |
Twin Swirl |
| Valves Per
Cylinder |
4 |
| Intake Valves Per Cylinder |
2 (Titanium) |
| Exhaust Valves Per Cylinder |
2 (Titanium) |
| Bore x Stroke |
67 x 42.5 mm |
| Connecting Rod Length
(center-to-center) |
92.27 mm (3.63 Inches) |
| Connecting Rod Material |
Steel |
| Measured
Peak Horsepower |
105.15 bhp @ 13,500
rpm |
| Measured
Peak Torque |
43.91 lbs. - ft. @ 11,500
rpm |
| Claimed
Engine Redline |
16,000 rpm |
| Valve Angle (Included) |
10.0 degrees Intake
/ 12.0 degrees Exhaust (22.0 degrees) |
| Combustion
Chamber Volume |
12.9 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 |
22.0 mm |
| Intake Valve
Stem Diameter |
4.5 mm |
| Exhaust
Valve Stem Diameter |
4.5 mm |
| Intake Valve
Maximum Lift |
8.2 mm |
| Exhaust
Valve Maximum Lift |
8.0 mm |
| Intake Valve
Timing |
|
| Open BTDC |
38 degrees |
| Close ABDC |
66 degrees |
| Duration |
284 degrees |
| Exhaust
Valve Timing |
|
| Open BBDC |
57 degrees |
| Close ATDC |
29 degrees |
| Duration |
266 degrees |
| Valve Timing
Measuring Point |
0.3 mm (lift) |
| Fuel Delivery
System |
Mikuni Fuel Injection |
| Throttle
Body Venturi Size |
36.5 mm |
| Air Filter
Type |
Pleated Paper |
| Exhaust
System Type |
4-2-1 |
| Ignition
System |
Digital |
| Lubrication
System |
Wet Sump |
| Oil Capacity |
3.1 quarts |
| Fuel Capacity |
4.5 gallons |
| 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 |
17 |
| Drive Plates |
9 |
| Driven Plates |
8 |
| 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 |
32/ 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 |
10.884:1 |
| 1st |
14.772:1 |
