| Engine
Configuration |
Inline Four,
4
Stroke |
| Engine
Displacement |
999 cc |
| Engine
Cooling System |
Liquid |
| Compression
Ratio |
12.8:1 |
| Combustion
Chamber Design |
Twin Swirl |
| Valves Per
Cylinder |
4 |
| Intake Valves Per Cylinder |
2 (Titanium) |
| Exhaust Valves Per Cylinder |
2 (Titanium) |
| Bore x Stroke |
74.5 mm x 57.3 mm |
| Connecting Rod Length
(center-to-center) |
112.5 mm |
| Connecting Rod Material |
Steel |
| Measured Peak Horsepower |
159.89 bph @ 10,600 rpm |
| Measured Peak Torque |
79.50 lbs.-ft @ 9,550
rpm |
| Engine
Redline |
13,750 rpm |
| Valve Angle
(Included) |
12 degrees
intake, 12.5 degrees exhaust
(24.5 degrees) |
| Valve Train
Type |
DOHC,
Link-plate Chain Drive,
Bucket Followers, Shim-under-bucket Lash
Adjustment |
| Valve
Adjustment Interval |
14,500 miles |
| Intake Valve
Diameter |
31 mm |
| Exhaust
Valve Diameter |
25 mm |
| Intake Valve
Stem Diameter |
4.5 mm |
| Exhaust
Valve Stem Diameter |
4.5 mm |
| Intake Valve
Maximum Lift |
9.7 mm |
| Exhaust
Valve Maximum Lift |
8.9 mm |
| Intake Valve
Timing |
|
| Open BTDC |
42 degrees |
| Close ABDC |
73 degrees |
| Duration |
295 degrees |
| Exhaust
Valve Timing |
|
| Open BBDC |
60 degrees |
| Close ATDC |
39 degrees |
| Duration |
279 degrees |
| 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 |
4-1-2
(Titanium/Stainless Steel/Titanium) |
| Ignition
System |
Digital |
| Lubrication
System |
Wet Sump |
| Oil Capacity |
3.8 quarts |
| Fuel Capacity |
4.6 gallons |
| 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 |
6 |
| Number of
Clutch Plates |
17 |
| Drive Plates |
9 |
| Driven Plates |
8 |
| Primary Drive |
Gear
(Straight-cut) |
| Primary
Drive Gear Teeth
(Ratio) |
76/ 47
(1.617:1) |
| 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 |
5.263:1 |
| 5th |
5.432:1 |
| 4th |
5.991:1 |
| 3rd |
6.846:1 |
| 2nd |
8.196:1 |
| 1st |
10.234:1 |
| 1st |
1st |
| 1st |
1st |
| 1st |
1st |
| 1st |
1st |
| 1st |
1st |
| 1st |
1st |
| 1st |
1st |
| 1st |
1st |
| 1st |
1st |
| 1st |
1st |
