| Engine Configuration |
Single, 4-stroke |
| Engine Displacement |
313 cc |
| Engine Cooling |
Liquid |
| Compression Ratio |
10.6:1 |
| Combustion Chamber Design |
Pentroof |
| Valves Per Cylinder |
4 |
| Intake Valves Per Cylinder |
2 |
| Exhaust Valves Per Cylinder |
2 |
| Bore x Stroke |
80.0mm x 62.1mm |
Conecting Rod Length
(center-to-center) |
144mm (5.7 inches)
|
| Connecting Rod Material |
Steel |
| Claimed Peak Horsepower |
34bhp @ 9,500rpm |
| Claimed Peak Torque |
20.2 lbs.-ft. @ 7,500 rpm |
| Engine Redline |
10,500 rpm |
| Valve Angle (Included) |
11.2 degrees Intake/ 13.3 degrees Exhaust (24.5 degrees) |
| Combustion Chamber Volume |
33cc |
| Valve Train Type |
DOHC, Reduction Gear and Link-plate Chain Drive, Finger Followers, Shim-in-retainer Lash Adjustment |
| Valve Adjustment Interval |
12,427 miles (20,000 km) |
| Intake Valve Diameter |
33.5 mm |
| Exhaust Valve Diameter |
27.2 mm |
| Intake Valve Stem
Diameter |
5.0 mm |
| Exhaust Valve Stem Diameter |
5.0 mm |
| Intake Valve Maximum
Lift |
9.33 mm |
| Exhaust Valve Maximum
Lift |
8.17 mm |
| Intake Valve Timing |
|
| Open BTDC |
20 degrees |
| Close ABDC |
21 degrees |
| Duration |
221 degrees |
| Exhaust Valve Timing |
|
| Open BTDC |
14.5 degrees |
| Close ABDC |
17.5 degrees |
| Duration |
212 degrees |
| Valve Timing Measuring
Point |
3.0 mm (lift)
|
| Fuel Delivery System |
Electronic Fuel Injection |
| Throttle Body Venturi
Size |
42mm |
| Air Filter Type |
Pleated Paper |
| Exhaust System Type |
1-into-1 (stainless steel) |
| Ignition System |
Digital |
| Lubrication System |
Wet Sump |
| Oil Capacity |
1.7 quarts (1.65 liters) |
| Fuel Capacity |
2.9 gallons (11 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 |
15 |
| Drive Plates |
8 |
| Driven Plates |
7 |
| Primary Drive |
Straight-cut |
| Primary Drive Gear Teeth (Ratio) |
N/A (Ratio: 3.063:1) |
| Final Drive Sprocket Teeth
(Ratio) |
40/16 (Ratio 2.500:1)
|
| Transmission Gear Teeth (Ratios) |
|
| 6th |
N/A (0.955:1) |
| 5th |
N/A (1.095:1) |
| 4th |
N/A (1.286:1) |
| 3rd |
N/A (1.588:1) |
| 2nd |
N/A (2.063:1) |
| 1st |
N/A (3.000:1) |
| Transmission Overall
Ratios |
|
| 6th |
7.313:1 |
| 5th |
8.385:1 |
| 4th |
9.848:1 |
| 3rd |
12.160:1 |
| 2nd |
15.797:1 |
| 1st |
22.973:1 |
|
|
