Engine Configuration |
V-4, 4 stroke, |
Engine Displacement |
1679cc |
Engine Cooling |
Liquid |
Compression Ratio |
11.3:1 |
Combustion Chamber Design |
Pentroof |
Valves Per Cylinder |
4 |
Intake Valves Per Cylinder |
2 |
Exhaust Valves Per Cylinder |
2 |
Bore x Stroke |
90.0mm x 66.0 mm |
Conecting Rod Length
(center-to-center) |
129mm (5.078 inches) |
Connecting Rod Material |
Chrome-molly Steel |
Claimed Peak Horsepower |
197 bhp @ 9,000 rpm |
Claimed Peak Torque |
122 lbs. - ft. @ 6,500
rpm |
Engine Redline |
9,500 rpm |
Valve Angle (Included) |
14 degrees Intake/ 15 degrees Exhaust (29 degrees) |
Combustion Chamber Volume |
28.5cc |
Valve Train Type |
DOHC, Chain and Gear Drive, Shim Under Bucket Lash Adjustment |
Valve Adjustment Interval |
26,600 miles |
Intake Valve Diameter |
34 mm (steel) |
Exhaust Valve Diameter |
30 mm (steel) |
Intake Valve Stem
Diameter |
5mm |
Exhaust Valve Stem Diameter |
5mm |
Intake Valve Maximum
Lift |
8.9 mm |
Exhaust Valve Maximum
Lift |
8.9mm |
Intake Valve Timing |
|
Open BTDC |
29 degrees |
Close ABDC |
59 degrees |
Duration |
268 degrees |
Exhaust Valve Timing |
|
Open BTDC |
59 degrees |
Close ABDC |
29 degrees |
Duration |
268 degrees |
Valve Timing Measuring
Point |
0.15mm Intake; 0.25mm Exhaust (lift)
|
Fuel Delivery System |
Mikuni Fuel Injection |
Throttle Body Venturi
Size |
48 mm |
Air Filter Type |
Pleated Paper Element |
Exhaust System Type |
4-1-2-4 (Steel/ Titanium) |
Ignition System |
Digital |
Lubrication System |
Wet Sump |
Oil Capacity |
6.2 quarts (5.9 liters) |
Fuel Capacity |
3.96 gallons (15 liters) |
Transmission Type |
5-speed |
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) |
86/57 (1.509:1) |
Final Drive Sprocket Teeth
(Ratio) |
22/23x29/09 (3.082:1) |
Transmission Gear Teeth (Ratios) |
|
6th |
|
5th |
29/31 (0.935:1) |
4th |
29/26 (1.115:1) |
3rd |
35/25 (1.400:1) |
2nd |
38/21 (1.810:1) |
1st |
38/16 (2.375:1) |
Transmission Overall
Ratios |
|
6th |
|
5th |
4.348:1 |
4th |
5.186:1 |
3rd |
6.511:1 |
2nd |
8.418:1 |
1st |
11.045:1 |
|
|