| Engine Configuration |
Inline Four,
4-Stroke, DOHC |
| Engine Displacement |
929cc |
| Engine Cooling |
Liquid |
| Compression
Ratio |
11.3:1 |
| Combustion
Chamber Design |
Pentroof |
| Valves Per
Cylinder |
4 |
Intake Valves Per Cylinder
|
2 |
Exhaust Valves Per Cylinder
|
2 |
| Bore x Stroke |
74 x 54
mm |
| Claimed
Peak Horsepower |
150 bhp @ 10,500
rpm (at crankshaft) |
| Claimed
Peak Torque |
76 lbs. - ft.
@ 9000 rpm (at crankshaft) |
| Measured Peak Horsepower |
130.6 bhp @ 10, 750
rpm |
| Measured Peak Torque |
69.1 lbs. - ft. @7750
rpm |
| Measured Power To Weight
Ratio |
3.38 Pounds per Horsepower |
| Engine Redline |
11, 500
rpm |
| Valve Angle
(Included) |
25 degrees |
| Combustion
Chamber Volume |
22.6 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 |
4.5 mm |
| Exhaust Valve
Stem Diameter |
4.5 mm |
| Intake Valve Maximum
Lift |
8.6 mm |
| Exhaust Valve
Maximum Lift |
8.2 mm |
| Intake Valve Timing |
|
Open BTDC
|
25 degrees |
Close ABDC
|
35 degrees |
Duration
|
240 degrees |
| Exhaust
Valve Timing |
|
Open BBDC
|
20 degrees |
Close ATDC
|
40 degrees |
Duration
|
240 degrees |
| Valve Timing
Measuring Point |
Intake, 1.16 mm;
Exhaust, 1.24 mm |
| Fuel Delivery
System |
Kehin Fuel
Injection |
| Throttle
Body Venturi Size |
40 mm |
| Air Filter
Type |
Pleated Paper |
| Exhaust
System Type |
Four-into-two-into-one
with HTEV |
| Ignition
System |
Kehin Digital
Electronic |
| Lubrication
System |
Wet Sump |
| Oil Capacity |
4.2 quarts
(4.0 liters) |
| Fuel Capacity |
4.8 gallons
(18.0 liters) |
| Transmission
Type |
6-speed,
Constant Mesh |
| Clutch Type |
Multi-plate,
Wet |
| Clutch Actuation System |
Cable |
| Clutch Spring Type |
Coil |
| Number Of Clutch Springs |
5 |
Number of Clutch Plates |
17 |
| Drive Plates |
9 |
| Driven Plates |
8 |
| Primary
Drive |
Gear |
| Primary Drive
Gear Teeth (Ratio) |
48/ 73 (1.521:1) |
| Final Drive Sprocket
Teeth (Ratio) |
16/ 43 (2.688:1) |
| Transmission Gear
Teeth (Ratios) |
|
6th
|
25/ 21 (1.190:1) |
5th
|
27/ 21 (1.286:1) |
4th
|
28/ 20 (1.400:1) |
3rd
|
32/ 30 (1.600:1) |
2nd
|
29/ 15 (1.933:1) |
1st
|
35/ 13 (1.692:1) |
| Transmission
Overall Ratios |
|
6th
|
4.864:1 |
5th
|
5.256:1 |
4th
|
5.722:1 |
3rd
|
6.540:1 |
2nd
|
7.901:1 |
1st
|
11.003:1 |
| |
|
