| Engine Configuration |
Inline Four, 4-Stroke |
| Engine Displacement |
1043cc |
| Engine Cooling |
Liquid |
| Compression Ratio |
11.8:1 |
| Combustion Chamber Design |
Pentroof |
| Valves Per Cylinder |
4 |
| Intake Valves Per Cylinder |
2 (steel) |
| Exhaust Valves Per Cylinder |
2 (steel) |
| Bore x Stroke |
77 mm x 56 mm |
Connecting Rod Length
(center-to-center) |
106.33 mm |
| Connecting Rod Material |
Steel |
| Claimed Peak Horsepower |
136 bhp @ 9,600 rpm |
| Claimed Peak Torque |
81.1 lbs. - ft. @ 7,800
rpm |
| Engine Redline |
11, 000 rpm |
| Valve Angle (Included) |
12 degrees Intake/
13 degrees Exhaust (25 degrees) |
| Combustion Chamber Volume |
14.88 cc |
| Valve Train Type |
DOHC, Link-plate Chain Drive, Bucket Followers, Shim-under-bucket Lash Adjustment |
| Valve Adjustment Interval |
15,000 miles |
| Intake Valve Diameter |
29.5 mm |
| Exhaust Valve Diameter |
25.5 mm |
| Intake Valve Stem
Diameter |
4.5 mm |
| Exhaust Valve Stem Diameter |
4.5 mm |
| Intake Valve Maximum
Lift |
8.8 mm |
| Exhaust Valve Maximum
Lift |
7.8 mm |
| Intake Valve Timing |
|
| Open BTDC |
31 degrees |
| Close ABDC |
65 degrees |
| Duration |
276 degrees |
| Exhaust Valve Timing |
|
| Open BBDC |
58 degrees |
| Close ATDC |
18 degrees |
| Duration |
256 degrees |
| Valve Timing Measuring
Point |
0.2 mm Intake, 0.3 mm Exhaust (lift) |
| Fuel Delivery System |
Kehin Fuel Injection |
| Throttle Body Venturi
Size |
38 mm |
| Air Filter Type |
Pleated, Paper Element |
| Exhaust System Type |
4-2-2 (stainless steel) |
| Ignition System |
Digital |
| Lubrication System |
Wet Sump |
| Oil Capacity |
4.2 quarts (4.0 liters) |
| Fuel Capacity |
5.0 gallons (18.9 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 |
7 |
| Drive Plates |
4 |
| Driven Plates |
3 |
| Primary Drive |
Gear (Straight-cut) |
| Primary Drive Gear Teeth (Ratio) |
83/51 (1.627:1) |
| Final Drive Sprocket Teeth
(Ratio) |
41/15 (2.733:1) |
| Transmission Gear Teeth (Ratios) |
|
| 6th |
25/22 (1.136:1) |
| 5th |
26/21 (1.238:1) |
| 4th |
25/18 (1.389:1) |
| 3rd |
24/15 (1.600:1) |
| 2nd |
39/20 (1.950:1) |
| 1st |
39/15 (2.600:1) |
| Transmission Overall
Ratios |
|
| 6th |
5.055:1 |
| 5th |
5.509:1 |
| 4th |
6.181:1 |
| 3rd |
7.120:1 |
| 2nd |
8.678:1 |
| 1st |
11.570:1 |
| |
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