Engine Configuration |
Inline Four, 4-Stroke |
Engine Displacement |
948cc
|
Engine Cooling
System |
Liquid |
Compression
Ratio |
11.8:1 |
Combustion
Chamber Design |
Pentroof |
Valves Per
Cylinder |
4 |
Intake Valves Per Cylinder
|
2 |
Exhaust Valves Per Cylinder
|
2 |
Bore x Stroke |
73.4mm x 56.0mm |
Claimed
Peak Horsepower |
115bhp @9,500 rpm |
Claimed
Peak Torque |
73.1lbs-ft. @7,700 rpm |
Measured Peak Horsepower |
|
Measured Peak Torque |
|
Measured Horsepower To Weight
Ratio |
|
Engine Redline |
11,000rpm |
Valve Angle (Included) |
N/A |
Combustion
Chamber Volume |
22 cc |
Valve Train
Type |
DOHC, Link-plate Chain Drive, Shim-Under-Bucket Lash Adjustment |
Valve Adjustment
Interval |
15,000 miles (24,000km) |
Intake Valve
Diameter |
28.5mm |
Exhaust
Valve Diameter |
23.6mm |
Intake Valve Stem Diameter |
4.5mm |
Exhaust
Valve Stem Diameter |
4.5mm |
Intake
Valve Maximum Lift |
n/a
|
Exhaust
Valve Maximum Lift |
n/a
|
Intake
Valve Timing |
|
Open BTDC
|
25 degrees
|
Close ABDC
|
65 degrees |
Duration
|
270 degrees |
Exhaust
Valve Timing |
|
Open BBDC
|
58 degrees |
Close ATDC
|
18 degrees |
Duration
|
256 degrees |
Valve Timing
Measuring Point |
1.0mm) |
Fuel Delivery
System |
Denso/ Keihin Electronic Fuel Injection |
Throttle Body
Venturi Size |
36 mm |
Air Filter
Type |
Pleated Paper |
Exhaust
System Type |
4-into-1 (Stainless Steel) |
Ignition
System |
Digital |
Lubrication
System |
Wet Sump |
Oil Capacity |
4.2 quarts (4.0 liters) |
Fuel Capacity |
4.5 gallons (17 liters)
|
Transmission
Type |
6-speed, Constant Mesh |
Clutch Type |
Multi-plate, Wet, Assist- & Slipper Type |
Clutch Actuation System
|
Cable |
Clutch Spring Type
|
Coil |
Number Of Clutch
Springs |
3 |
Number of Clutch Plates |
17 |
Drive Plates
|
9 |
Driven Plates
|
8 |
Primary
Drive |
Spur Gear (Straight-cut) |
Primary Drive
Gear Teeth (Ratio) |
83/51 (1.627:1) |
Final Drive Sprocket
Teeth (Ratio) |
44/15 (2.933:1) |
Transmission Gear
Teeth (Ratios) |
|
6th
|
30/29 (1.034:1) |
5th
|
33/27 (1.222:1) |
4th
|
31/22 (1.409:1) |
3rd
|
33/20 (1.650:1) |
2nd
|
35/17 (2.059:1) |
1st
|
35/13 (2.692:1) |
Transmission
Overall Ratios |
|
6th
|
4.934:1 |
5th
|
5.831:1 |
4th
|
6.724:1 |
3rd
|
7.874:1 |
2nd
|
9.826:1 |
1st
|
12.846:1 |
Theoretical Speed in
Gears at Redline |
|
6th
|
164mph |
5th
|
139mph |
4th
|
103mph |
3rd
|
83mph |
2nd
|
82mph |
1st
|
63mph |