| Engine Configuration |
Inline, 4 Cylinder, 4-Stroke |
| Engine Displacement |
749cc |
| Engine Cooling |
Liquid |
| Compression Ratio |
12.3:1 |
| Combustion Chamber Design |
Hemispherical |
| Valves Per Cylinder |
4 |
| Intake Valves Per Cylinder |
2 (Titanium) |
| Exhaust Valves Per Cylinder |
2 (Titanium) |
| Bore x Stroke |
72.0mm x 46.0mm |
Conecting Rod Length
(center-to-center) |
103.17mm
|
| Connecting Rod Material |
Shot-peened Steel |
| Claimed Peak Horsepower |
99.31bhp @ 10,300rpm |
| Claimed Peak Torque |
|
| Engine Redline |
11,500 rpm |
| Valve Angle (Included) |
12.0 degrees Intake/ 13.0 degrees Exhaust (25.0 degrees) |
| Combustion Chamber Volume |
17cc |
| Valve Train Type |
DOHC, Link-plate Chain Drive, Bucket Followers, Shim-under-bucket Lash Adjustment |
| Valve Adjustment Interval |
14,500 miles (24,000km) |
| Intake Valve Diameter |
27.2 mm |
| Exhaust Valve Diameter |
22.0 mm |
| Intake Valve Stem
Diameter |
4.0 mm |
| Exhaust Valve Stem Diameter |
4.0 mm |
| Intake Valve Maximum
Lift |
8.3 mm |
| Exhaust Valve Maximum
Lift |
7.0 mm |
| Intake Valve Timing |
|
| Open BTDC |
23 degrees |
| Close ABDC |
65 degrees |
| Duration |
268 degrees |
| Exhaust Valve Timing |
|
| Open BTDC |
50 degrees |
| Close ABDC |
25 degrees |
| Duration |
255 degrees |
| Valve Timing Measuring
Point |
0.3mm (lift)
|
| Fuel Delivery System |
Mikuni Fuel Injection |
| Throttle Body Venturi
Size |
32mm |
| Air Filter Type |
Pleated Paper Element |
| Exhaust System Type |
4-2-1 (stainless steel/steel) |
| Ignition System |
Digital |
| Lubrication System |
Wet Sump |
| Oil Capacity |
4.1 quarts (3.4 liters) |
| Fuel Capacity |
4.2 gallons (16.0 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 |
19 |
| Drive Plates |
10 |
| Driven Plates |
9 |
| Primary Drive |
Gear (Straight-cut) |
| Primary Drive Gear Teeth (Ratio) |
78/42 (1.857:1) |
| Final Drive Sprocket Teeth
(Ratio) |
43/17 (2.529:1)
|
| Transmission Gear Teeth (Ratios) |
|
| 6th |
31/27 (1.148:1) |
| 5th |
30/23 (1.304:1) |
| 4th |
29/20 (1.450:1) |
| 3rd |
37/22 (1.681:1) |
| 2nd |
39/19 (2.052:1) |
| 1st |
39/14 (2.785:1) |
| Transmission Overall
Ratios |
|
| 6th |
5.391:1 |
| 5th |
6.124:1 |
| 4th |
6.810:1 |
| 3rd |
7.895:1 |
| 2nd |
9.637:1 |
| 1st |
13.079:1 |
| |
|
