Engine Configuration |
Inline Four, 4-Stroke,
DOHC |
Engine Displacement |
749 cc |
Engine Cooling System |
Liquid |
Compression Ratio |
11.8:1 |
Combustion Chamber Design |
Twin Swirl |
Valves Per Cylinder |
4 |
Intake Valves Per Cylinder |
2 |
Exhaust Valves Per Cylinder |
2 |
Bore x Stroke |
72 x 46 mm |
Measured Peak Horsepower |
120 bhp @ 12,500 rpm |
Measured Peak Torque |
56.7 lbs. - ft. @ 10,00
rpm |
Engine Redline |
13,500 rpm |
Valve Angle (Included) |
29 degrees (14 degrees
intake, 15 degrees exhaust) |
Combustion Chamber Volume |
17.3 cc |
Valve Train Type |
DOHC, Link-plate Chain
Drive, Shim-under-bucket Lash Adjustment |
Valve Adjustment Interval |
15,000 miles |
Intake Valve Diameter |
29 mm |
Exhaust Valve Diameter |
24 mm |
Intake Valve Stem Diameter |
4.5 mm |
Exhaust Valve Stem Diameter |
4.5 mm |
Intake Valve Maximum
Lift |
8.7 mm |
Exhaust Valve Maximum
Lift |
7.3 mm |
Intake Valve Timing |
|
Open BTDC |
30 degrees |
Close ABDC |
72 degrees |
Duration |
282 degrees |
Exhaust Valve Timing |
|
Open BBDC |
51 degrees |
Close ATDC |
32 degrees |
Duration |
263 degrees |
Valve Timing Measuring
Point |
0.3 mm. |
Fuel Delivery System |
Fuel Injection |
Throttle Body Venturi
Size |
46 mm |
Air Filter Type |
Pleated Fabric |
Exhaust System Type |
4-2-1 |
Ignition System |
Digital Electronic |
Lubrication System |
Wet Sump |
Oil Capacity |
3 quarts |
Fuel Capacity |
4.8 gallons |
Transmission Type |
6-speed, Constant Mesh |
Clutch Type |
Multi-plate, Wet |
Clutch Actuation System |
Cable |
Clutch Spring Type |
Diaphragm |
Number Of Clutch Springs |
2 |
Number of Clutch Plates |
19 |
Drive Plates |
10 |
Driven Plates |
9 |
Primary Drive |
Gear |
Primary Drive Gear Teeth
(Ratio) |
72/ 41 (1.756:1) |
Final Drive Sprocket
Teeth (Ratio) |
16/ 44 (2.750:1) |
Transmission Gear Teeth
(Ratios) |
|
6th |
28/ 25 (1.120:1) |
5th |
27/ 22 (1.227:1) |
4th |
30/ 22 (1.363:1) |
3rd |
36/ 23 (1.565:1) |
2nd |
39/ 20 (1.950:1) |
1st |
42/ 16 (2.625:1) |
Transmission Overall
Ratios |
|
6th |
5.408:1 |
5th |
5.925:1 |
4th |
6.582:1 |
3rd |
7.557:1 |
2nd |
9.417:1 |
1st |
12.676:1 |