| General | | |
| Type | In-line, Double Overhead Camshaft | |
| Number of cylinder | 4 | |
| Bore | 82mm (3.228in) | |
| Stroke | 93.5mm (3.681 in.) | |
| Total displacement | 1975cc (120.52cu.in.) | |
| Compression ratio | 10.1 | |
| Firing order | 1-3-4-2 | |
| Valve timing | | |
| Intake valve | | |
| Opens (ATDC) | 11° | |
| Closes (ABDC) | 59° | |
| Exhaust | | |
| Opens (BBDC) | 42° | |
| Closes (ATDC) | 6° | |
| Valve | | |
| Valve length | | |
| Intake | 114.34mm (4.5016in.) | |
| Exhaust | 116.8mm (4.598in.) | |
| Stem O.D. | | |
| Intake | 5.965 ~ 5.98mm (0.2348 ~ 0.2354in.) | |
| Exhaust | 5.950 ~ 5.965mm (0.2343 ~ 0.2348in.) | |
| Face angle thickness of valve head (Margin) | | |
| Intake | 1.15mm (0.0452in.) | 0.8mm (0.031 in.) |
| Exhaust | 1.35mm (0.0531 in.) | 1.0mm (0.039in.) |
| Valve stem to valve guide clearance | | |
| Intake | 0.02 ~ 0.05mm (0.0008 ~ 0.0019in.) | 0.10mm (0.0039in.) |
| Exhaust | 0.035 ~ 0.065mm (0.0014 ~ 0.0026in.) | 0.13mm (0.0051 in.) |
| Valve guide | | |
| Installed dimension O.D | | |
| Intake | 46mm (1.811 in.) | |
| Exhaust | 54.5mm (2.146in.) | |
| Service oversize | 0.05, 0.25, 0.50mm | |
| (0.002, 0.010, 0.020in.) oversize | |
| Valve seat | | |
| Width of seat contact | | |
| Intake | 1.1 ~ 1.5mm (0.043 ~ 0.059in.) | |
| Exhaust | 1.3 ~ 1.7mm (0.051 ~ 0.066in.) | |
| Seat angle | 45° | |
| Oversize | 0.3, 0.6mm (0.012, 0.024in.) oversize | |
| Valve spring | | |
| Free length | 48.86mm (1.9236in.) | |
| Load | 18.8kg/39mm (41.45lb/1.535in.) | |
| Installed height | 39mm (1.5354in.) | |
| Squareness | 1.5° MAX. | |
| Valve clearance | | |
| Cold (20°C[68°F]) Intake | 0.20mm (0.0079in.) | 0.12 ~ 0.28mm (0.0047 ~ 0.0110in.) |
| Exhaust | 0.28mm (0.0110 in,) | 0.20 ~ 0.38mm (0.0079 ~ 0.0150in.) |
| Cylinder head | | |
| Flatness of gasket surface | Max. 0.03mm (0.0012in.) | 0.06mm (0.0024in.) |
| Flatness of manifold mounting surface | Max. 0.15mm (0.0059in.) | 0.03mm (0.0012in.) |
| Oversize rework dimensions of valve seat hole | | |
| Intake | | |
| 0.3mm (0.012in.) O.S. | 33.300 ~ 33.325mm (1.3110 ~ 1.3120in.) | |
| 0.6mm (0.024in.) O.S. | 33.600 ~ 33.625mm (1.3228 ~ 1.3238in.) | |
| Exhaust | | |
| 0.3mm (0.012in.) O.S. | 28.800 ~ 28.821mm (1.1338 ~ 1.1346in.) | |
| 0.6mm (0.024in.) O.S. | 29.100 ~ 29.121mm (1.1456 ~ 1.1465in.) | |
| Oversize rework dimensions of valve guide hole (both intake and exhaust) | | |
| 0.05mm (0.002in.) O.S | 11.05 ~ 11.068mm (0.435 ~ 0.4357in.) | |
| 0.25mm (0.010in.) O.S | 11.25 ~ 11.268mm (0.443 ~ 0.4436in.) | |
| 0.50mm (0.020in.) O.S | 11.50 ~ 11.518mm (0.453 ~ 0.4535in.) | |
| Cylinder block | | |
| Cylinder bore | 82.00 ~ 82.03mm (3.2283 ~ 3.2295in.) | |
| Out-of-round and taper of cylinder bore | Less than 0.01mm (0.0004in.) | |
| Clearance with piston (To set limits to new parts) | 0.02 ~ 0.04mm (0.0008 ~ 0.0016in.) | |
| Piston | | |
| O.D (To set limits to new parts) | 81.97 ~ 82.00mm (3.2271 ~ 3.2283in.) | |
| Service oversize | 0.25, 0.50mm (0.010, 0.020in.) oversize | |
| Piston ring | | |
| Side clearance | | |
| No.1 | 0.04 ~ 0.08mm (0.0015 ~ 0.0031 in.) | 0.1mm (0.004in.) |
| No.2 | 0.03 ~ 0.07mm (0.0012 ~ 0.0027in.) | |
| End gap | | |
| No.1 | 0.23 ~ 0.38mm (0.0090 ~ 0.0149in.) | 1mm (0.039in.) |
| No.2 | 0.33 ~ 0.48mm (0.0130 ~ 0.0189in.) | 1mm (0.039in.) |
| Oil ring side rail | 0.20 ~ 0.60mm (0.0078 ~ 0.0236in.) | 1mm (0.039in.) |
| Service oversize | 0.25, 0.50mm | |
| (0.010, 0.020in.) oversize | |
| Connecting rod | | |
| Bend | 0.05mm (0.0020in.) or less | |
| Twist | 0.1mm (0.004in.) or less | 0.4mm (0.0157in.) |
| Connecting rod big end to crankshaft side clearance | 0.100 ~ 0.250mm (0.0039 ~ 0.010in.) | |
| Connecting rod bearing | | |
| Oil clearance (To seat limits to new parts) | 0.024 ~ 0.042mm (0.0009 ~ 0.0016in.) 0.25, 0.50, 0.75mm (0.01, 0.02, 0.03in.) | |
| Undersize | | |
| Camshaft | | |
| Cam height | | |
| Intake | 44.618mm (1.7566in.) | 44.518mm (1.7527in.) |
| Exhaust | 44.518mm (1.7527in.) | 44.418mm (1.7487in.) |
| Journal O.D. | 28mm (1.1023in.) | |
| Bearing oil clearance | 0.02 ~ 0.061mm (0.0008 ~ 0.0024in.) | 0.1mm (0.0039in.) |
| End play | 0.1 ~ 0.2mm (0.004 ~ 0.008in.) | |
| Crankshaft | | |
| Pin O.D. | 45mm (1.77in.) | |
| Journal O.D. | 57mm (2.244in.) | |
| Bend | 0.03mm (0.0012in.) or less | |
| Out-of-round, taper of journal and pin | 0.01mm (0.0004in.) or less | 0.030mm (0.0012in.) |
| End play | 0.06 ~ 0.260mm (0.0023 ~ 0.010in.) | |
| Undersize rework dimension of pin | | |
| 0.25mm (0.010in.) | 44.725 ~ 44.740mm (1.7608 ~ 1.7614in.) | |
| 0.50mm (0.020in.) | 44.475 ~ 44.490mm (1.7509 ~ 1.7516in.) | |
| 0.75mm (0.030in.) | 44.225 ~ 44.240mm (1.7411 ~ 1.7417in.) | |
| Undersize rework dimension of journal | | |
| 0.25mm (0.010in.) | 56.727 ~ 56.742mm (2.2333 ~ 2.2339in.) | |
| 0.50mm (0.020in.) | 56.477 ~ 56.492mm (2.2235 ~ 2.2240in.) | |
| 0.75mm (0.030in.) | 56.227 ~ 56.242mm (2.2136 ~ 2.2142in.) | |
| Crankshaft bearing | | |
| Oil clearance | 0.028 ~ 0.046mm (0.0011 ~ 0.0018in.) | |
| Flywheel | | |
| Runout | 0.1mm (0.0039in.) | 0.13mm (0.0051 in.) |
| Cooling method | Water-cooled, pressurized. Forced circulation with electrical fan | |
| Coolant | | |
| Quantity | 6 liter (6.3U.S qts, 5.2lmp. qts) | |
| Radiator | | |
| Type | Pressurized corrugated fin type | |
| Radiator cap | | |
| Main valve opening pressure | 83 ~ 110kpa (12 ~ 16psi, 0.83 ~ 1.1 kg/cm 2 ) | |
| Vacuum valve opening pressure | 7kpa (-100psi, -0.07kg/cm 2 ) or less | |
| Thermostat | | |
| Type | Wax pellet type with jiggle valve | |
| Valve opening temperature | 82°C (177°F) | |
| Full-opening temperature | 95°C (201 °F) | |
| Coolant pump | Centrifugal type impeller | |
| Drive belt | | |
| Type | V-ribbed belt | |
| Engine coolant temperature sensor | | |
| Type | Heat-sensitive thermistor type | |
| Resistance | 2.31 ~ 2.59Kohms at 20°C (68°F) | |
| Oil pump | | |
| Clearance between outer circumference and front case. | 0.120 ~ 0.185mm (0.0049 ~ 0.0073in.) | |
| Front case tip clearance | 0.025 ~ 0.069mm (0.0009 ~ 0.0027in.) | |
| Side clearance | | |
| Inner gear | 0.04 ~ 0.085mm (0.0016 ~ 0.0033in.) | |
| Outer gear | 0.04 ~ 0.09mm (0.0016 ~ 0.0035in.) | |
| Engine oil pressure at 1500 RPM | 245KPa (2.5kg/cm 2 , 35.5psi) | |
| [Oil temperature is 90 to 110°C (194 to 230°F)] | | |
| Relief spring | | |
| Free height | 43.8mm (1.725in.) | |
| Load | 3.7+/-0.4kg at 40.1 mm (3.15+/-0.88lb/1.578in.) | |
| Air cleaner | | |
| Type | Dry type | |
| Element | Unwoven cloth type | |
| Exhaust pipe | | |
| Muffler | Expansion resonance type | |
| Suspension system | Rubber hangers | |