| Engine Configuration |
Inline Four,
4-Stroke, DOHC |
| Engine Displacement |
998cc |
| Engine Cooling
System |
Liquid |
| Compression
Ratio |
11.9:1 |
| Combustion
Chamber Design |
Pentroof |
| Valves Per
Cylinder |
4 |
Intake Valves Per Cylinder
|
2 (Steel) |
Exhaust Valves Per Cylinder
|
2 (Steel) |
| Bore x Stroke |
75 mm x 56.5 |
| Claimed
Peak Horsepower |
172 bhp @10,500
rpm |
| Claimed
Peak Torque |
85.0 lbs. - ft.
@ 8500 rpm |
| Measured Peak Horsepower |
153.2 bhp @ 11,100 rpm |
| Measured Peak Torque |
78.5 lbs. - ft. @ 8300 rpm |
| Measured Horsepower To Weight
Ratio |
3.05 Pounds Per Horsepower |
| Engine Redline |
11,650 rpm |
| Valve Angle (Included) |
11.3 degrees/12.12
degrees (23.5 degrees) |
| Combustion
Chamber Volume |
16.2 cc |
| Valve Train
Type |
DOHC, Link-plate Chain Drive,
Bucket Followers, Shim-under-bucket
Lash Adjustment |
| Valve Adjustment
Interval |
16,000
miles |
| Intake Valve
Diameter |
29.0 mm |
| Exhaust
Valve Diameter |
24.0 mm |
| Intake
Valve Stem Diameter |
4.0 mm |
| Exhaust
Valve Stem Diameter |
4.0 mm |
| Intake
Valve Maximum Lift |
8.9 mm |
| Exhaust
Valve Maximum Lift |
8.4 mm |
| Intake
Valve Timing |
|
Open BTDC
|
18 degrees |
Close ABDC
|
46 degrees |
Duration
|
244 degrees |
| Exhaust
Valve Timing |
|
Open BBDC
|
39 degrees |
Close ATDC
|
11 degrees |
Duration
|
230 degrees |
| Valve Timing
Measuring Point |
1 mm |
| Fuel Delivery
System |
Dual Stage Fuel
Injection (DSFI) |
| Throttle Body
Venturi Size |
44 mm |
| Air Filter
Type |
Dual, Pre-oiled,
Pleated Paper Element |
| Exhaust
System Type |
4-2-1, Steel Titanium |
| Ignition
System |
Digital
Electric |
| Lubrication
System |
Dry Sump |
| Oil Capacity |
4.0 quarts (3.8
liters) |
| Fuel Capacity |
4.8 gallons (18.1
liters) |
| Transmission
Type |
6-speed,
Casset-type, Close-ratio |
| Clutch Type |
Multi-plate,
Wet |
Clutch Actuation System
|
Hydraulic |
Clutch Spring Type
|
Coil |
| Number Of Clutch
Springs |
5 |
Number of Clutch Plates |
15 |
Drive Plates
|
8 |
Driven Plates
|
7 |
| Primary
Drive |
Gear (Straight-cut) |
| Primary Drive
Gear Teeth (Ratio) |
77/ 48 (1.604:1) |
| Final Drive Sprocket
Teeth (Ratio) |
41/ 16 (2.563:1) |
| Transmission Gear
Teeth (Ratios) |
|
6th
|
29/ 25 (1.60:1) |
5th
|
25/ 20 (1.250:1) |
4th
|
29/ 21 (1.381:1) |
3rd
|
30/ 19 (1.579:1) |
2nd
|
37/ 17 (1.94:1) |
1st
|
33/ 13 (2.538:1) |
| Transmission
Overall Ratios |
|
6th
|
4.768: 1 |
5th
|
5.138: 1 |
4th
|
5.676: 1 |
3rd
|
6.490: 1 |
2nd
|
7.978: 1 |
1st
|
10. 432:1 |
| Theoretical Speed in
Gears at Redline |
|
6th
|
180 mph |
5th
|
167 mph |
4th
|
151 mph |
3rd
|
132 mph |
2nd
|
107 mph |
1st
|
82 mph |
