Engine Configuration |
Opposed (Boxer) Twin, Four-Stroke |
Engine Displacement |
1170 cc |
Engine Cooling |
Air/ Oil |
Compression Ratio |
12:1 |
Combustion Chamber Design |
Radial |
Valves Per Cylinder |
4 |
Intake Valves Per Cylinder |
2 |
Exhaust Valves Per Cylinder |
2 |
Bore x Stroke |
101mm x 73mm |
Conecting Rod Length
(center-to-center) |
125mm
|
Connecting Rod Material |
Steel |
Claimed Peak Horsepower |
110bhp @ 9,500rpm |
Claimed Peak Torque |
86 lbs.-ft. @ 6,000 rpm |
Engine Redline |
8,500 rpm |
Valve Angle (Included) |
5.0 degrees/ 6.0 degrees(11.0 degrees) |
Combustion Chamber Volume |
53.18cc |
Valve Train Type |
DOHC, Chain Drive, Shim Under Rocker Arm Lash Adjustment |
Valve Adjustment Interval |
6,000 miles
|
Intake Valve Diameter |
39 mm |
Exhaust Valve Diameter |
33 mm |
Intake Valve Stem
Diameter |
5.5 mm |
Exhaust Valve Stem Diameter |
5.5 mm |
Intake Valve Maximum
Lift |
10.8 mm |
Exhaust Valve Maximum
Lift |
10.8 mm |
Intake Valve Timing |
|
Open BTDC |
3degrees |
Close ABDC |
29 degrees |
Duration |
212 degrees |
Exhaust Valve Timing |
|
Open BTDC |
36 degrees |
Close ABDC |
8degrees |
Duration |
104 degrees |
Valve Timing Measuring
Point |
3 mm (lift)
|
Fuel Delivery System |
Bing Electronic Fuel Injection |
Throttle Body Venturi
Size |
50mm |
Air Filter Type |
Pleated Paper |
Exhaust System Type |
2-1 (steel) |
Ignition System |
Digital |
Lubrication System |
Wet Sump |
Oil Capacity |
4.2 quarts (4.0 liters) |
Fuel Capacity |
4.5 gallons (17.0 liters) |
Transmission Type |
6-speed, Constant mesh |
Clutch Type |
Single plate, dry |
Clutch Actuation System |
Hydraulic |
Clutch Spring Type |
Diaphragm |
Number Of Clutch Springs |
1 |
Number of Clutch Plates |
|
Drive Plates |
Only 1 clutch plate |
Driven Plates |
|
Primary Drive |
Gear |
Primary Drive Gear Teeth (Ratio) |
N/A (1.737:1) |
Final Drive Sprocket Teeth
(Ratio) |
32/11 (2.910:1)
|
Transmission Gear Teeth (Ratios) |
|
6th |
28/33 (0.848:1) |
5th |
31/33 (0.939:1) |
4th |
33/31 (1.065:1) |
3rd |
35/27 (1.296:1) |
2nd |
39/23 (1.696:1) |
1st |
38/16 (2.375:1) |
Transmission Overall
Ratios |
|
6th |
4.286:1 |
5th |
4.746:1 |
4th |
5.383:1 |
3rd |
6.551:1 |
2nd |
8.573:1 |
1st |
12.0051 |
|
|