| Engine Configuration |
Inline Four,
4-Stroke |
| Engine Displacement |
9918 cc |
| Engine Cooling |
Liquid |
| Compression
Ratio |
12.7:1 |
| Combustion
Chamber Design |
Tumble Effect
Design |
| Valves Per
Cylinder |
4 |
| Intake Valves Per Cylinder |
2 (steel) |
| Exhaust Valves Per Cylinder |
2 (titanium) |
| Bore x Stroke |
76.0 mm x 55.0
mm |
| Claimed
Peak Horsepower |
184 bhp @ 11,500
rpm |
| Claimed
Peak Torque |
84.8 lbs.- ft.
@ 9,500 rpm |
| Measured Peak Horsepower |
159.8 bhp @ 11,900 rpm |
| Measured Peak Torque |
78.8 lbs. -ft. @ 9900 rpm |
| Measured Horsepower-to-weight
Ratio: |
2.69 pounds per horsepower |
| Engine Redline |
13,000 rpm |
| Valve Angle
(Included) |
12.0 degrees
intake, 13.0 degrees exhaust (25.0 degrees) |
| Combustion
Chamber Volume |
21.2cc |
| Valve Train
Type |
DOHC, Gear
and Roller Chain Drive,
Bucket Followers, Shim-under-bucket
Lash Adjustment |
| Valve Adjustment
Interval |
N.A. |
| Intake Valve
Diameter |
31.0 mm |
| Exhaust
Valve Diameter |
25.5 mm |
| Intake Valve
Stem Diameter |
4.5 mm |
| Exhaust
Valve Stem Diameter |
4.5 mm |
| Intake Valve
Maximum Lift |
9.1 mm |
| Exhaust
Valve Maximum Lift |
8.5 mm |
| Intake Valve
Timing |
|
| Open BTDC |
46 degrees |
| Close ABDC |
74 degrees |
| Duration |
300 degrees |
| Exhaust Valve Timing |
|
| Open BBDC |
66 degrees |
| Close ATDC |
46 degrees |
| Duration |
292 degrees |
| Valve Timing
Measuring Point |
0.2 mm Intake,
0.3 mm. Exhaust |
| Fuel Delivery
System |
Fuel Injection |
| Throttle
Body Venturi Size |
43 mm |
| Air Filter
Type |
Pleated Paper |
| Exhaust
System Type |
4-2-1,
Titanium |
| Ignition
System |
Digital
Electric |
| Lubrication
System |
Forced Lubrication,
Wet Sump |
| Oil Capacity |
3.9 quarts (3.7
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 |
Manual |
| Number Of Clutch Springs |
6 |
| Number of
Clutch Plates |
19 |
| Drive Plates |
9 (steel) |
| Driven Plates |
10 (fiber) |
| Primary
Drive |
Gear (straight
cut) |
| Primary
Drive Gear Teeth (Ratio) |
87/ 54 (1.611:1) |
| Final Drive
Sprocket Teeth (Ratio) |
39/ 17 (2.294:1) |
| Transmission
Gear Teeth (Ratios) |
|
| 6th |
30/ 23 (1.304:1) |
| 5th |
29/ 21 (1.381:1) |
| 4th |
32/ 21 (1.524:1) |
| 3rd |
33/ 19 (1.737:1) |
| 2nd |
39/ 19 (2.053:1) |
| 1st |
38/ 15 (2.533:1) |
| Transmission
Overall Ratios |
|
| 6th |
4.819:1 |
| 5th |
5.104:1 |
| 4th |
5.632:1 |
| 3rd |
6.419:1 |
| 2nd |
7.587:1 |
| 1st |
9.361:1 |
| Theoretical Speed In
Gears At Redline |
|
6th
|
198 mph |
5th
|
187 mph |
4th
|
169 mph |
3rd
|
149 mph |
2nd
|
126 mph |
1st
|
102 mph |
