SPECIFICATION
| Engine | Model | 2.5 L | |||
|---|---|---|---|---|---|
| Cylinder arrangement | Horizontally opposed, liquid cooled, 4-cylinder, 4-stroke gasoline engine | ||||
| Valve system mechanism | Chain driven, double overhead camshaft, 4-valve/cylinder | ||||
| Bore x Stroke | Mm (in) | 94.0 x 90.0 (3.70 x 3.54) | |||
| Displacement | Cm 3 (cu in) | 2.498 (152.43) | |||
| Compression ratio | 10 | ||||
| Compression pressure (at 200 - 300 rpm) | KPa (kg/cm 2 , psi) | Standard | 1, 050 - 1, 400 (11 - 14, 152 - 203) | ||
| Number of piston rings | Compression ring: 2 Oil ring: 1 | ||||
| Intake valve timing | Open | Max. retard | ATDC 16° | ||
| Min. advance | BTDC 39° | ||||
| Close | Max. retard | ABDC 80° | |||
| Min. advance | ABDC 25° | ||||
| Exhaust valve timing | Open | BBDC 35° | |||
| Open | ATDC 13° | ||||
| Cam clearance | Mm (in) | Intake | Standard | 0.13±0.03 (0.0051±0.0012) | |
| Exhaust | Standard | 0.24±0.03 (0.0094±0.0012) | |||
| Idle speed (For CVT model, select lever in "P" or "N" range. For MT model, gear shift lever in neutral position.) | Rpm | No load | Standard | CVT model: 675±100 | |
| MT model: 650±100 | |||||
| A/C ON | Standard | CVT model: 700±100 | |||
| MT model: 800 - 850±100 | |||||
| Ignition order | 1 --> 3 --> 2 --> 4 | ||||
| Ignition timing | BTDC/rpm | Standard | CVT model: 16°±10°/675 | ||
| MT model: 16°±10°/650 | |||||
Note. OS: Oversize US: Undersize
| Camshaft | Bending | Mm (in) | Limit | 0.020 (0.00079) | ||||
|---|---|---|---|---|---|---|---|---|
| Cam lobe height | Mm (in) | Intake | Standard | 40.77 - 40.87 (1.605 - 1.609) | ||||
| Exhaust | Standard | 40.15 - 40.25 (1.581 - 1.585) | ||||||
| Cam base circle diameter | Mm (in) | Standard | 34.0 (1.339) | |||||
| Journal outer diameter | Mm (in) | Standard | 25.946 - 25.963 (1.0215 - 1.0222) | |||||
| Thrust clearance | Mm (in) | Standard | 0.068 - 0.116 (0.0027 - 0.0047) | |||||
| Oil clearance | Mm (in) | Standard | 0.037 - 0.072 (0.0015 - 0.0028) | |||||
| Cylinder head | Warpage (mating surface with cylinder block) | Mm (in) | Limit | 0.035 (0.0014) | ||||
| Grinding limit | Mm (in) | To 98.4 (3.874) | ||||||
| Height | Mm (in) | Standard | 98.5 (3.878) | |||||
| Valve & valve guide | Valve overall length | Mm (in) | Intake | 103.3 (4.067) | ||||
| Exhaust | 94.1 (3.705) | |||||||
| Valve head edge thickness | Mm (in) | Intake | Standard | 0.8 - 1.2 (0.031 - 0.047) | ||||
| Exhaust | Standard | 1.0 - 1.4 (0.039 - 0.055) | ||||||
| Valve stem outer diameter | Mm (in) | Intake | Standard | 5.455 - 5.470 (0.2148 - 0.2154) | ||||
| Exhaust | Standard | 5.445 - 5.460 (0.2144 - 0.2150) | ||||||
| Valve guide inner diameter | Mm (in) | Standard | 5.500 - 5.512 (0.2165 - 0.2170) | |||||
| Clearance between valve and valve guide | Mm (in) | Intake | Standard | 0.030 - 0.057 (0.0012 - 0.0022) | ||||
| Exhaust | Standard | 0.040 - 0.067 (0.0016 - 0.0026) | ||||||
| Valve guide protrusion amount | Mm (in) | Standard | 11.4 - 11.8 (0.449 - 0.465) | |||||
| Valve & valve shim | Valve stem end outer diameter | Mm (in) | Intake | Standard | 5.455 - 5.470 (0.2148 - 0.2154) | |||
| Exhaust | Standard | 5.445 - 5.460 (0.2148 - 0.2150) | ||||||
| Valve shim inner diameter | Mm (in) | Standard | 5.500 - 5.560 (0.2165 - 0.2189) | |||||
| Clearance between valve and valve shim | Mm (in) | Intake | Standard | 0.030 - 0.105 (0.0012 - 0.0041) | ||||
| Exhaust | Standard | 0.040 - 0.115 (0.0016 - 0.0045) | ||||||
| Valve seat | Seating width between valve and valve seat | Mm (in) | Intake | Standard | 0.8 - 1.6 (0.031 - 0.063) | |||
| Exhaust | Standard | 1.1 - 1.7 (0.043 - 0.067) | ||||||
| Seating angle between valve and valve seat | 45° | |||||||
| Seating position between valve and valve seat | Valve face center | |||||||
| Valve spring | Free length | Mm (in) | Standard | 41.06 (1.617) | ||||
| Tension/spring height | N (kgf, lb)/mm (in) | Set | Standard | 182 - 210 (18.56 - 21.41, 40.92 - 47.22)/33.0 (1.299) | ||||
| Lift | Standard | 552 - 610 (56.29 - 62.20, 124.11 - 137.15)/22.0 (0.866) | ||||||
| Squareness | Standard | 2.5°, 1.8 mm (0.071 in) or less | ||||||
| Cylinder block & piston | Cylinder block warpage (Mating surface with cylinder head) | Mm (in) | Limit | 0.025 (0.00098) | ||||
| Grinding limit of cylinder block | Mm (in) | To 204.9 (8.067) | ||||||
| Height of cylinder block | Mm (in) | Standard | 205.0 (8.071) | |||||
| Inner diameter of cylinder liner | Mm (in) | Cylinder bore size mark A | Standard | 94.005 - 94.015 (3.7010 - 3.7014) | ||||
| Cylinder bore size mark B | Standard | 93.995 - 94.005 (3.7006 - 3.7010) | ||||||
| Cylindricality of cylinder liner | Mm (in) | Limit | 0.015 (0.0006) | |||||
| Out-of-roundness of cylinder liner | Mm (in) | Limit | 0.010 (0.0004) | |||||
| Piston grade point | Mm (in) | 13.3 (0.52) | ||||||
| Piston outer diameter | Mm (in) | Standard Size | Grade A | Standard | 93.980 - 93.990 (3.7000 - 3.7004) | |||
| Grade B | Standard | 93.970 - 93.980 (3.6996 - 3.7000) | ||||||
| 0.25 (0.0098) OS | Standard | 94.220 - 94.240 (3.7094 - 3.7102) | ||||||
| 0.50 (0.0197) OS | Standard | 94.470 - 94.490 (3.7193 - 3.7201) | ||||||
| Clearance between cylinder liner and piston | Mm (in) | Standard | 0.015 - 0.035 (0.00059 - 0.00138) | |||||
| Inner diameter of cylinder liner boring limit (diameter) | Mm (in) | To 94.505 (3.7207) | ||||||
| Piston and piston pin | Degree of fit | Piston pin must be fitted into position with thumb at 20°C (68°F). | ||||||
| Clearance between piston and piston pin | Mm (in) | Standard | 0.004 - 0.008 (0.0002 - 0.0003) | |||||
| Piston ring | Closed gap | Mm (in) | Compression ring | Top ring | Standard | 0.20 - 0.30 (0.0079 - 0.0118) | ||
| Second ring | Standard | 0.30 - 0.45 (0.0118 - 0.0177) | ||||||
| Oil ring (upper rail and lower rail) | Standard | 0.20 - 0.50 (0.0079 - 0.0197) | ||||||
| Clearance between compression ring and piston | Mm (in) | Top ring | Standard | 0.040 - 0.080 (0.0016 - 0.0031) | ||||
| Second ring | Standard | 0.030 - 0.070 (0.0012 - 0.0028) | ||||||
| Connecting rod and connecting rod bearing | Bend or twist per 100 mm (3.94 in) in length | Mm (in) | Limit | 0.10 (0.0039) | ||||
| Thrust clearance | Mm (in) | Standard | 0.070 - 0.330 (0.0028 - 0.0130) | |||||
| Connecting rod bearing thickness (at center) | Mm (in) | Standard size | Standard | 1.492 - 1.508 (0.0587 - 0.0594) | ||||
| 0.03 (0.0012) US | Standard | 1.511 - 1.515 (0.0595 - 0.0596) | ||||||
| 0.05 (0.0020) US | Standard | 1.521 - 1.525 (0.0599 - 0.0600) | ||||||
| 0.25 (0.0098) US | Standard | 1.621 - 1.625 (0.0638 - 0.0640) | ||||||
| Oil clearance | Mm (in) | Standard | 0.017 - 0.047 (0.0007 - 0.0019) | |||||
| Piston pin & connecting rod bushing | Clearance between piston pin and connecting rod bushing | Mm (in) | Standard | 0.004 - 0.026 (0.0002 - 0.0010) | ||||
| Crankshaft and crankshaft bearing | Bending | Mm (in) | Limit | 0.035 (0.0014) | ||||
| Crankshaft pin | Cylindricality | Mm (in) | Limit | 0.006 (0.0002) | ||||
| Out-of-roundness | Mm (in) | Limit | 0.005 (0.0002) | |||||
| Grinding limit (dia.) | Mm (in) | To 47.726 (1.8790) | ||||||
| Crankshaft journal | Cylindricality | Mm (in) | Limit | 0.006 (0.0002) | ||||
| Out-of-roundness | Mm (in) | Limit | 0.005 (0.0002) | |||||
| Grinding limit (dia.) | Mm (in) | To 67.735 (2.6667) | ||||||
| Crankshaft pin outer diameter | Mm (in) | Standard size | Standard | 47.976 - 48.000 (1.8888 - 1.8898) | ||||
| 0.03 (0.0012) US | Standard | 47.946 - 47.970 (1.8876 - 1.8886) | ||||||
| 0.05 (0.0020) US | Standard | 47.926 - 47.950 (1.8868 - 1.8878) | ||||||
| 0.25 (0.0098) US | Standard | 47.726 - 47.750 (1.8790 - 1.8799) | ||||||
| Crankshaft journal outer diameter | Mm (in) | Standard size | Standard | 67.985 - 68.009 (2.6766 - 2.6775) | ||||
| 0.03 (0.0012) US | Standard | 67.955 - 67.979 (2.6754 - 2.6763) | ||||||
| 0.05 (0.0020) US | Standard | 67.935 - 67.959 (2.6746 - 2.6755) | ||||||
| 0.25 (0.0098) US | Standard | 67.735 - 67.759 (2.6667 - 2.6677) | ||||||
| Crankshaft bearing thickness (at center) | Mm (in) | #1, #2, #3, #4 | Standard size | Standard | 2.495 - 2.513 (0.0982 - 0.0989) | |||
| 0.03 (0.0012) US | Standard | 2.519 - 2.522 (0.0992 - 0.0993) | ||||||
| 0.05 (0.0020) US | Standard | 2.529 - 2.532 (0.0996 - 0.0997) | ||||||
| 0.25 (0.0098) US | Standard | 2.629 - 2.632 (0.1035 - 0.1036) | ||||||
| #5 | Standard size | Standard | 2.493 - 2.511 (0.0981 - 0.0989) | |||||
| 0.03 (0.0012) US | Standard | 2.517 - 2.520 (0.0991 - 0.0992) | ||||||
| 0.05 (0.0020) US | Standard | 2.527 - 2.530 (0.0995 - 0.0996) | ||||||
| 0.25 (0.0098) US | Standard | 2.627 - 2.630 (0.1034 - 0.1035) | ||||||
| Thrust clearance | Mm (in) | Standard | 0.130 - 0.308 (0.00512 - 0.01213) | |||||
| Oil clearance | Mm (in) | Standard | 0.013 - 0.031 (0.00051 - 0.00122) | |||||
Scheme 89
Tightening torque: N.m (kgf-m, ft-lb)
T1: 6.4 (0.7, 4.7)
T2: 18 (1.8, 13.3)
Scheme 90
Tightening torque: N.m (kgf-m, ft-lb)
T1: 6.4 (0.7, 4.7)
T2: 18 (1.8, 13.3)
T3: 45 (4.6, 33.2)
T4: Refer to INSTALLATION.
T5: Refer to INSTALLATION.
Scheme 91
Tightening torque: N.m (kgf-m, ft-lb)
T: Refer to INSTALLATION.
Scheme 92
Tightening torque: N.m (kgf-m, ft-lb)
T1: Refer to ASSEMBLY.
T2: Refer to INSTALLATION.
Scheme 93
Tightening torque: N.m (kgf-m, ft-lb)
T: Refer to INSTALLATION.
Scheme 94
Scheme 95
Tightening torque: N.m (kgf-m, ft-lb)
T1: 6.4 (0.7, 4.7)
T2: 10 (1.0, 7.4)
T3: 21 (2.1, 15.5)
T4: 25 (2.5, 18.4)
T5: 41.7 (4.3, 30.8)
T6: Refer to CYLINDER BLOCK.
T7: Refer to INSTALLATION.
T8: Refer to OIL PAN.
Scheme 96
Tightening torque: N.m (kgf-m, ft-lb)
T: Refer to INSTALLATION.
Scheme 97
Tightening torque: N.m (kgf-m, ft-lb)
T1: Refer to INSTALLATION.
T2: Refer to INSTALLATION.
T3: Refer to INSTALLATION.
Scheme 98
Tightening torque: N.m (kgf-m, ft-lb)
T1: 25 (2.5, 18.4)
T2: 30 (3.1, 22.1)
T3: 45 (4.6, 33.2)
T4: 60 (6.1, 44.3)
Refer to REMOVAL and INSTALLATION for removal and installation procedures of the intake and exhaust valves.
Refer to REMOVAL and INSTALLATION for removal and installation procedures of pistons.
Refer to REMOVAL and INSTALLATION for removal and installation procedures of connecting rod.
Refer to REMOVAL and INSTALLATION for removal and installation procedures of the crankshaft.
See also:
• DISPLAY OF ENGINE FREEZE FRAME DATA