| Engine Configuration |
Inline Four,
4-Stroke, DOHC |
| Engine Displacement |
998 cc |
| Engine Cooling
System |
Liquid |
| Compression
Ratio |
11.8: 1 |
| Combustion
Chamber Design |
5-valve |
| Valves Per
Cylinder |
5 |
| Intake Valves Per Cylinder |
3 |
Exhaust Valves Per Cylinder
|
2 |
| Bore x Stroke |
74 mm x 58 mm |
| Claimed
Peak Horsepower |
150 bhp @ 10,000
rpm |
| Claimed
Peak Torque |
108 lbs. - ft.
@ 8500 rpm |
| Engine Redline |
11, 750 rpm |
| Valve Angle
(Included) |
Center Intake
9.5 degrees;
Outside intakes, 16.75 degrees;
Exhaust, 11.5 degrees (28.25 degrees) |
| Combustion
Chamber Volume |
14 cc |
| Valve Train
Type |
DOHC,
Link-plate Chain Drive,
Bucket Followers, Shim-under-bucket
Lash Adjustment |
| Valve Adjustment
Interval |
26,600 miles |
| Intake Valve
Diameter |
23.0 mm |
| Exhaust
Valve Diameter |
24.5 mm |
| Intake Valve
Stem Diameter |
3.9 mm |
| Exhaust
Valve Stem Diameter |
4.4 mm |
| Intake Valve
Maximum Lift |
7.35 mm |
| Exhaust
Valve Maximum Lift |
7.75 mm |
| Intake Valve
Timing |
|
| Open BTDC |
29 degrees |
| Close ABDC |
59 degrees |
| Duration |
268 degrees |
| Exhaust
Valve Timing |
|
| Open BBDC |
60 degrees |
| Close ATDC |
36 degrees |
| Duration |
276 degrees |
| Valve Timing
Measuring Point |
Intake, 0.15 mm;
Exhaust, 0.25 mm |
| Fuel Delivery
System |
Mikuni Fuel Injection |
| Carburetor
Venturi Size |
40 mm |
| Air Filter
Type |
Vicious-type Element |
| Exhaust
System Type |
4-1 with EXUP |
| Ignition
System |
Digital Electronic |
| Lubrication
System |
Wet Sump |
| Oil Capacity |
3.8 quarts (3.6
liters) |
| Fuel Capacity |
4.5 gallons (17
liters) |
| Transmission
Type |
6-speed,
Constant Mesh |
| Clutch Type |
Multi-plate,
Wet |
| Clutch Actuation System |
Cable |
| Clutch Spring Type |
Diaphragm |
| Number Of Clutch Springs |
1 |
| Number of
Clutch Plates |
15 |
| Drive Plates |
8 |
| Driven Plates |
7 |
| Primary
Drive |
Gear (Straight
cut) |
| Primary
Drive Gear Teeth (Ratio) |
29/ 26 (1.115:1) |
| Final Drive
Sprocket Teeth (Ratio) |
15/ 45 (3.000:1) |
| Transmission
Gear Teeth (Ratios) |
|
| 6th |
29/ 26 (1.115:1) |
| 5th |
30/ 25 (1.200:1) |
| 4th |
28/ 21 (1.333:1) |
| 3rd |
30/ 20 (1.500:1) |
| 2nd |
35/ 19 (1.842:1) |
| 1st |
35/ 14 (2.500:1) |
| Transmission
Overall Ratios |
|
| 6th |
4.738:1 |
| 5th |
5.100:1 |
| 4th |
5.665:1 |
| 3rd |
6.375:1 |
| 2nd |
7.828:1 |
| 1st |
10.624:1 |
