Engine Configuration |
Inline Four, 4-Stroke |
Engine Displacement |
1441 cc |
Engine Cooling |
Liquid |
Compression Ratio |
12.3:1 |
Combustion Chamber Design |
Pentroof |
Valves Per Cylinder |
4 |
Intake Valves Per Cylinder |
2 (Steel) |
Exhaust Valves Per Cylinder |
2 (Steel) |
Bore x Stroke |
84 mm x 65 mm |
Conecting Rod Length
(center-to-center) |
115.5 mm (4.5 Inches) |
Connecting Rod Material |
Chrome-molly Steel |
Claimed Peak Horsepower |
207 bhp @ 10,000 rpm |
Claimed Peak Torque |
122.2 lbs. - ft. @7,500
rpm |
Engine Redline |
11,000 rpm |
Valve Angle (Included) |
12 degrees Intake/
13 degrees Exhaust (25 degrees) |
Combustion Chamber Volume |
36 cc |
Valve Train Type |
DOHC, Shim-under-bucket Lash Adjustment |
Valve Adjustment Interval |
15,000 miles |
Intake Valve Diameter |
33.4 mm |
Exhaust Valve Diameter |
28.3 mm |
Intake Valve Stem
Diameter |
5.0 mm |
Exhaust Valve Stem Diameter |
5.0 mm |
Intake Valve Maximum
Lift |
9.3 mm |
Exhaust Valve Maximum
Lift |
9.3 mm |
Intake Valve Timing |
|
Open BTDC |
34 degrees |
Close ABDC |
72 degrees |
Duration |
286 degrees |
Exhaust Valve Timing |
|
Open BBDC |
66 degrees |
Close ATDC |
36 degrees |
Duration |
282 degrees |
Valve Timing Measuring
Point |
0.25mm Intake, 0.30mm Exhaust (lift)
|
Fuel Delivery System |
Mikuni Digital Fuel Injection |
Throttle Body Venturi
Size |
44 mm |
Air Filter Type |
Pleated Paper Element |
Exhaust System Type |
4-2-1 (Stainless Steel) |
Ignition System |
Digital |
Lubrication System |
Wet Sump |
Oil Capacity |
4.9 quarts (4.6 liters) |
Fuel Capacity |
5.8 gallons (22.0 liters) |
Transmission Type |
6-speed, Constant Mesh |
Clutch Type |
Multi-plate, Wet, Back-torque-limiting |
Clutch Actuation System |
Hydraulic |
Clutch Spring Type |
Coil |
Number Of Clutch Springs |
6 |
Number of Clutch Plates |
19 |
Drive Plates |
10 |
Driven Plates |
9 |
Primary Drive |
Gear (Straight-cut) |
Primary Drive Gear Teeth (Ratio) |
84/54 (1.556:1) |
Final Drive Sprocket Teeth
(Ratio) |
42/17 (2.470:1) |
Transmission Gear Teeth (Ratios) |
|
6th |
29/28 (1.036:1) |
5th |
30/26 (1.154:1) |
4th |
32/24 (1.333:1) |
3rd |
34/22 (1.545:1) |
2nd |
37/19 (1.947:1) |
1st |
46/18 (2.611:1) |
Transmission Overall
Ratios |
|
6th |
3.980:1 |
5th |
4.434:1 |
4th |
5.124:1 |
3rd |
5.939:1 |
2nd |
7.484:1 |
1st |
10.035:1 |
|
|