| Engine Configuration |
Inline Four, 4-Stroke,
DOHC |
| Engine Displacement |
999 cc |
| Engine Cooling
System |
Liquid |
| Compression Ratio |
12.5:1 |
| Combustion Chamber
Design |
TSCC Pentroof |
| Valves Per Cylinder |
4 |
Intake Valves
Per Cylinder |
2 titanium |
| Exhaust Valves Per Cylinder |
2 titanium |
| Bore x Stroke |
73.4 x 59.0 mm |
| Measured Peak
Horsepower |
151.38 bhp @ 11,200
rpm |
| Measured Peak
Torque |
75.55 lbs. - ft.
@ 8,500 rpm |
| Measured Power To Weight Ratio |
2.87 pounds per horsepower |
| Claimed Engine
Redline |
13,500 rpm |
| Valve Angle (Included) |
12 degrees intake,
13 degrees exhaust (25 degrees) |
| Combustion Chamber
Volume |
21.7 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 |
30.0 mm |
| Exhaust Valve
Diameter |
24 mm |
| Intake Valve Stem
Diameter |
4.5 mm |
| Exhaust Valve
Stem Diameter |
4.5 mm |
| Intake Valve Maximum
Lift |
9.6 mm |
| Exhaust Valve
Maximum Lift |
8.3 mm |
| Intake Valve
Timing |
|
| Open BTDC |
42 degrees |
| Close ABDC |
73 degrees |
| Duration |
295 degrees |
| Exhaust Valve
Timing |
|
| Open BBDC |
57 degrees |
| Close ATDC |
38 degrees |
| Duration |
275degrees |
| Valve Timing Measuring
Point |
0.3 mm. |
| Fuel Delivery
System |
Keihin Fuel Injection |
| Throttle Body
Venturi Size |
44 mm |
| Air Filter Type |
Pleated Paper |
| Exhaust System
Type |
4-2-1 |
| Ignition System |
Digital |
| Lubrication System |
Wet Sump |
| Oil Capacity |
3.8 quarts (3.6
liters) |
| Fuel Capacity |
4.8 gallons (18.0
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 |
5 |
| Number of Clutch
Plates |
19 |
| Drive Plates |
10 |
| Driven Plates |
9 |
| Primary Drive |
Gear (Straight-cut) |
| Primary Drive
Gear Teeth (Ratio) |
73/ 47 (1.553:1) |
| Final Drive Sprocket
Teeth (Ratio) |
42/17 (2.470:1) |
| Transmission
Gear Teeth (Ratios) |
|
| 6th |
33/26 (1.269:1) |
| 5th |
34/25 (1.360:1) |
| 4th |
36/24 (1.500:1) |
| 3rd |
36/21 (1.714:1) |
| 2nd |
39/19 (2.052:1) |
| 1st |
41/16 (2.562:1) |
| Transmission
Overall Ratios |
|
| 6th |
4.879:1 |
| 5th |
5.218:1 |
| 4th |
5.755:1 |
| 3rd |
6.578:1 |
| 2nd |
7.876:1 |
| 1st |
9.833:1 |
