| Engine Configuration |
Inline Four, 4
Stroke |
| Engine Displacement |
999.8 cc |
| Engine Cooling
System |
Liquid |
| Compression
Ratio |
12.3:1 |
| Combustion
Chamber Design |
Pentroof |
| Valves Per
Cylinder |
4 |
| Intake Valves Per Cylinder |
2 (Titanium) |
| Exhaust Valves Per Cylinder |
2 (Titanium) |
| Bore x Stroke |
76 x 55.1
mm |
| Connecting Rod Length |
104.45 mm |
| Connecting Rod Material |
Steel |
| Claimed
Peak Horsepower |
187 bhp
@ N/A rpm |
| Claimed
Peak Torque |
87 lbs.
- ft. @ 8,500 rpm |
| Measured Peak Horsepower |
149.66 bhp @ 10,600 rpm |
| Measured Peak Torque |
76.64 lbs.-ft @ 9,600 rpm |
| Engine Redline |
13,400 rpm |
| Valve Angle (I
ncluded) |
11 degrees
intake, 11 degrees exhaust (22 degrees) |
| Combustion
Chamber Volume |
21.1 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 |
30.5 mm |
| Exhaust
Valve Diameter |
24 mm |
| Intake Valve
Stem Diameter |
4.5 mm |
| Exhaust
Valve Stem Diameter |
4.0 mm |
| Intake Valve
Maximum Lift |
9.3 mm |
| Exhaust
Valve Maximum Lift |
8.4 mm |
| Intake Valve
Timing |
|
| Open BTDC |
21 degrees |
| Close ABDC |
43 degrees |
| Duration |
244 degrees |
| Exhaust
Valve Timing |
|
| Open BBDC |
41 degrees |
| Close ATDC |
14 degrees |
| Duration |
235 degrees |
| Valve Timing
Measuring Point |
1.0 mm |
| Fuel Delivery
System |
Keihin Fuel
Injection |
| Throttle
Body Venturi Size |
46 mm |
| Air Filter
Type |
Pleated
Paper |
| Exhaust
System Type |
4-2-1, Stainless
Steel |
| Ignition
System |
Digital |
| Lubrication
System |
Wet Sump |
| Oil Capacity |
3.9 quarts |
| Fuel Capacity |
3.9 gallons |
| Transmission
Type |
6-speed,
Constant Mesh |
| Clutch Type |
Multi-plate,
Wet, Back-torque-limiting |
| Clutch Actuation System |
Cable |
| Clutch Spring Type |
Diaphragm |
| Number Of Clutch Springs |
2 |
| Number of
Clutch Plates |
17 |
| Drive Plates |
9 |
| Driven Plates |
8 |
| Primary
Drive |
Gear (Straight-cut) |
| Primary
Drive Gear Teeth (Ratio) |
79/ 46 (1.717:1) |
| Final Drive
Sprocket Teeth (Ratio) |
42/ 16 (2.625:1) |
| Transmission
Gear Teeth (Ratios) |
|
| 6th |
33/ 29 (1.138:1) |
| 5th |
34/ 28 (1.214:1) |
| 4th |
32/ 24 (1.333:1) |
| 3rd |
33/ 22 (1.500:1) |
| 2nd |
32/ 18 (1.778:1) |
| 1st |
32/ 14 (2.286:1) |
| Transmission
Overall Ratios |
|
| 6th |
5.129:1 |
| 5th |
5.472:1 |
| 4th |
6.008:1 |
| 3rd |
6.761:1 |
| 2nd |
8.014:1 |
| 1st |
10.303:1 |
| 1st |
1st |
| 1st |
1st |
| 1st |
1st |
| 1st |
1st |
| 1st |
1st |
| 1st |
1st |
| 1st |
1st |
| 1st |
1st |
| 1st |
1st |
| 1st |
1st |
