| Engine Configuration |
Inline Four, 4
Stroke |
| Engine Displacement |
999 cc |
| Engine Cooling
System |
Liquid |
| Compression
Ratio |
12.5:1 |
| Combustion
Chamber Design |
Twin Swirl |
| Valves Per
Cylinder |
4 |
Intake Valves Per Cylinder
|
2 (Titanium) |
Exhaust Valves Per Cylinder
|
2 (Titanium) |
| Bore x Stroke |
73.4 mm x 59 mm |
| Connecting Rod Length
(center-to-center) |
111.5 mm |
| Connecting Rod Material |
Shotpeened Chrome-moly Steel |
| Claimed Peak Horsepower |
182.5 BHP @ N.A. rpm |
| Claimed Peak Torque |
N.A. lbs.-ft @ N.A. rpm |
| Measured
Peak Horsepower |
156.48 bhp
@ 12,100 rpm |
| Measured
Peak Torque |
74.48 lbs.
- ft. @ 9,950 rpm |
| Engine Redline |
13,750 rpm |
| Valve Angle (I
ncluded) |
12 degrees
intake, 13 degrees exhaust (25 degrees) |
| Combustion
Chamber Volume |
11 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 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 |
8.9 mm |
| Intake Valve
Timing |
|
Open BTDC
|
40 degrees |
Close ABDC
|
70 degrees |
Duration
|
290 degrees |
| Exhaust
Valve Timing |
|
Open BBDC
|
61 degrees |
Close ATDC
|
39 degrees |
Duration
|
280 degrees |
| Valve Timing
Measuring Point |
0.3 mm |
| Fuel Delivery
System |
Mikuni Fuel
Injection |
| Throttle
Body Venturi Size |
44 mm |
| Air Filter
Type |
Pleated
Paper |
| Exhaust
System Type |
4-2-1-2
(Aluminum/Titanium) |
| Ignition
System |
Digital |
| Lubrication
System |
Wet Sump |
| Oil Capacity |
3.1 quarts |
| Fuel Capacity |
4.4 gallons |
| Transmission
Type |
6-speed,
Constant Mesh |
| Clutch Type |
Multi-plate,
Wet, Back-torque-limiting |
Clutch Actuation System
|
Hydraulic |
Clutch Spring Type
|
Coil |
Number Of Clutch Springs
|
6 |
| 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) |
43/ 17 (2.529:1) |
| 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
|
4.984:1 |
5th
|
5.341:1 |
4th
|
5.815:1 |
3rd
|
6.731:1 |
2nd
|
8.059:1 |
1st
|
10.062:1 |
1st
|
1st
|
1st
|
1st
|
1st
|
1st
|
1st
|
1st
|
1st
|
1st
|
1st
|
1st
|
1st
|
1st
|
1st
|
1st
|
1st
|
1st
|
1st
|
1st
|