SPECIFICATION
| Engine | Cylinder arrangement | Horizontally opposed, liquid cooled, 4-cylinder, 4-stroke gasoline engine | ||
|---|---|---|---|---|
| Valve system mechanism | Belt driven, double overhead camshaft, 4-valve/cylinder | |||
| Bore x Stroke | Mm (in) | 99.5 x 79.0 (3.917 x 3.110) | ||
| Piston displacement | Cm 3 (cu in) | 2,457 (150) | ||
| Compression ratio | 8.2 | |||
| Compression pressure (at 200 - 300rpm) | KPa (kgf/cm 2 , psi,) | 981 - 1,177 (10 - 12, 142 - 171) | ||
| Number of piston rings | Pressure ring: 2, Oil ring: 1 | |||
| Intake valve timing | Opening | Max. retard | ATDC 5° | |
| Min. advance | BTDC 15° | |||
| Closing | Max. retard | ABDC 65° | ||
| Min. advance | ABDC 45° | |||
| Exhaust valve timing | Opening | BBDC 55° | ||
| Closing | ATDC 5° | |||
| Valve clearance | Intake | Mm (in) | 0.20±0.02 (0.0079±0.0008) | |
| Exhaust | Mm (in) | 0.35±0.02 (0.0138±0.0008) | ||
| Idling speed [At neutral position on MT] | Rpm | 700±100 (No load) 800±100 (A/C switch ON) | ||
| Firing order | 1 --> 3 --> 2 --> 4 | |||
| Ignition timing | BTDC/rpm | 17°±10°/700 | ||
| STD: Standard I.D.: Inner Diameter O.D.: Outer Diameter OS: Oversize US: Undersize | ||||
GENERAL SPECIFICATION
| Belt tension adjuster | Protrusion of adjuster rod | Mm (in) | 5.2 - 6.2 (0.205 - 0.244) | ||
|---|---|---|---|---|---|
| Belt tensioner | Spacer O.D. | Mm (in) | 17.955 - 17.975 (0.7069 - 0.7077) | ||
| Tensioner bushing I.D. | Mm (in) | 18.0 - 18.08 (0.7087 - 0.7118) | |||
| Clearance between spacer and bushing | Mm (in) | STD | 0.025 - 0.125 (0.0010 - 0.0049) | ||
| Limit | 0.175 (0.0069) | ||||
| Side clearance of spacer | Mm (in) | STD | 0.2 - 0.55 (0.0079 - 0.0217) | ||
| Limit | 0.81 (0.0319) | ||||
| Camshaft | Bend limit | Mm (in) | 0.020 (0.00079) | ||
| Thrust clearance | Mm (in) | STD | 0.068 - 0.116 (0.0027 - 0.0046) | ||
| Limit | 0.14 (0.0055) | ||||
| Cam lobe height | Mm (in) | Intake | STD | 46.55 - 46.65 (1.833 - 1.837) | |
| Limit | 46.45 (1.829) | ||||
| Exhaust | STD | 46.75 - 46.85 (1.841 - 1.844) | |||
| Limit | 46.65 (1.837) | ||||
| Journal O.D. | Mm (in) | STD | Front | 37.946 - 37.963 (1.4939 - 1.4946) | |
| Center rear | 29.946 - 29.963(1.1790 - 1.1796) | ||||
| Oil clearance at journal | Mm (in) | STD | 0.037 - 0.072 (0.0015 - 0.0028) | ||
| Limit | 0.10 (0.0039) | ||||
| Cylinder head | Surface warpage limit | Mm (in) | 0.035 (0.0014) | ||
| Surface grinding limit | Mm (in) | 0.3 (0.012) | |||
| Standard height | Mm (in) | 127.5 (5.02) | |||
| Valve seat | Refacing angle | 90° | |||
| Contacting width | Mm (in) | Intake | STD | 0.6 - 1.4 (0.024 - 0.055) | |
| Limit | 1.7 (0.067) | ||||
| Exhaust | STD | 1.2 - 1.8 (0.047 - 0.071) | |||
| Limit | 2.2 (0.087) | ||||
| Valve guide | Inner diameter | Mm (in) | 6.000 - 6.012 (0.2362 - 0.2367) | ||
| Protrusion above head | Mm (in) | 15.8 - 16.2 (0.622 - 0.638) | |||
| Valve | Head edge thickness | Mm (in) | Intake | STD | 1.0 - 1.4 (0.039 - 0.055) |
| Limit | 0.8 (0.031) | ||||
| Exhaust | STD | 1.3 - 1.7 (0.051 - 0.067) | |||
| Limit | 0.8 (0.031) | ||||
| Stem diameter | Mm (in) | Intake | 5.955 - 5.970 (0.2344 - 0.2350) | ||
| Exhaust | 5.945 - 5.960 (0.2341 - 0.2346) | ||||
| Stem oil clearance | Mm (in) | STD | Intake | 0.030 - 0.057 (0.0012 - 0.0022) | |
| Exhaust | 0.040 - 0.067 (0.0016 - 0.0026) | ||||
| Limit | 0.15 (0.0059) | ||||
| Overall length | Mm (in) | Intake | 104.4 (4.110) | ||
| Exhaust | 104.65 (4.120) | ||||
| Valve spring | Free length | Mm (in) | 47.32 (1.863) | ||
| Squareness | 2.5°, 2.1 mm (0.083 in) or less | ||||
| Tension/spring height | N (kgf, lbf)/mm (in) | Set | 205 - 235 (20.9 - 24.0, 46.1 - 52.8)/36.0 (1.417) | ||
| Lift | 426 - 490 (43.4 - 50.0, 95.8 - 110)/26.50 (1.043) | ||||
| Cylinder block | Surface warpage limit (mating with cylinder head) | Mm (in) | 0.025 (0.00098) | ||
| Surface grinding limit | Mm (in) | 0.1 (0.004) | |||
| Standard height | Mm (in) | 201.0 (7.91) | |||
| Cylinder bore | Mm (in) | STD | A | 99.505 - 99.515 (3.9175 - 3.9179) | |
| B | 99.495 - 99.505(3.9171 - 3.9175) | ||||
| Taper | Mm (in) | STD | 0.015 (0.0006) | ||
| Limit | 0.050 (0.0020) | ||||
| Out-of-roundness | Mm (in) | STD | 0.010 (0.0004) | ||
| Limit | 0.050 (0.0020) | ||||
| Piston clearance | Mm (in) | STD | 0.010 - 0.010 (-0.0004 - 0.0004) | ||
| Limit | 0.030 (0.0012) | ||||
| Cylinder enlarging (boring) limit (dia.) | Mm (in) | To 100.005 (3.937) | |||
| Piston | Outer diameter | Mm (in) | STD | A | 99.505 - 99.515 (3.9175 - 3.9179) |
| B | 99.495 - 99.505 (3.9171 - 3.9175) | ||||
| 0.25 (0.0098) OS | 99.745 - 99.765 (3.9270 - 3.9278) | ||||
| 0.50 (0.0197) OS | 99.995 - 100.015 (3.9368 - 3.9376) | ||||
| Piston pin | Standard clearance between piston pin and hole in piston | Mm (in) | STD | 0.004 - 0.008 (0.0002 - 0.0003) | |
| Limit | 0.020 (0.0008) | ||||
| Degree of fit | Piston pin must be fitted into position with thumb at 20°C (68°F). | ||||
| Piston ring | Piston ring gap | Mm (in) | Top ring | STD | 0.20 - 0.25 (0.0079 - 0.0098) |
| Limit | 1.0 (0.039) | ||||
| Second ring | STD | 0.37 - 0.52 (0.015 - 0.020) | |||
| Limit | 1.0 (0.039) | ||||
| Oil ring | STD | 0.20 - 0.50 (0.0079 - 0.0197) | |||
| Limit | 1.5 (0.059) | ||||
| Ring groove gap | Mm (in) | Top ring | STD | 0.040 - 0.080 (0.0016 - 0.0031) | |
| Limit | 0.15 (0.0059) | ||||
| Second ring | STD | 0.030 - 0.070 (0.0012 - 0.0028) | |||
| Limit | 0.15 (0.0059) | ||||
| Connecting rod | Bend twist per 100 mm (3.94 in) in length | Mm (in) | Limit | 0.10 (0.0039) | |
| Side clearance | Mm (in) | STD | 0.070 - 0.330 (0.0028 - 0.0130) | ||
| Limit | 0.4 (0.016) | ||||
| Connecting rod bearing | Oil clearance | Mm (in) | STD | 0.017 - 0.045 (0.0007 - 0.0018) | |
| Limit | 0.05 (0.0020) | ||||
| Thickness at center portion | Mm (in) | STD | 1.490 - 1.502 (0.0587 - 0.0591) | ||
| 0.03 (0.0012) US | 1.504 - 1.512 (0.0592 - 0.0595) | ||||
| 0.05 (0.0020) US | 1.514 - 1.522 (0.0596 - 0.0599) | ||||
| 0.25 (0.0098) US | 1.614 - 1.622 (0.0635 - 0.0639) | ||||
| Connecting rod bushing | Clearance between piston pin and bushing | Mm (in) | STD | 0 - 0.022 (0 - 0.0009) | |
| Limit | 0.030 (0.0012) | ||||
| Crankshaft | Bend limit | Mm (in) | 0.035 (0.0014) | ||
| Crank pin | Mm (in) | Out-of-roundness | 0.003 (0.0001) | ||
| Cylindricality | 0.004 (0.0002) | ||||
| Grinding limit (dia.) | To 51.750 (2.0374) | ||||
| Crank journal | Mm (in) | Out-of-roundness | 0.005 (0.0002) | ||
| Cylindricality | 0.006 (0.0002) | ||||
| Grinding limit (dia.) | To 59.750 (2.3524) | ||||
| Crank pin outer diameter | Mm (in) | STD | 51.984 - 52.000 (2.0466 - 2.0472) | ||
| 0.03 (0.0012) US | 51.954 - 51.970 (2.0454 - 2.0461) | ||||
| 0.05 (0.0020) US | 51.934 - 51.950 (2.0447 - 2.0453) | ||||
| 0.25 (0.0098) US | 51.734 - 51.750 (2.0368 - 2.0374) | ||||
| Crank journal outer diameter | Mm (in) | STD | 59.992 - 60.008 (2.3619 - 2.3625) | ||
| 0.03 (0.0012) US | 59.962 - 59.978 (2.3607 - 2.3613) | ||||
| 0.05 (0.0020) US | 59.942 - 59.958 (2.3599 - 2.3605) | ||||
| 0.25 (0.0098) US | 59.742 - 59.758 (2.3520 - 2.3527) | ||||
| Side clearance | Mm (in) | STD | 0.030 - 0.115 (0.0012 - 0.0045) | ||
| Limit | 0.25 (0.0098) | ||||
| Oil clearance | Mm (in) | STD | 0.010 - 0.030 (0.0004 - 0.0012) | ||
| Limit | 0.040 (0.0016) | ||||
| Main bearing | Main bearing thickness | Mm (in) | #1, #3 | STD | 1.998 - 2.011 (0.0787 - 0.0792) |
| 0.03 (0.0012) US | 2.017 - 2.020 (0.0794 - 0.0795) | ||||
| 0.05 (0.0020) US | 2.027 - 2.030 (0.0798 - 0.0799) | ||||
| 0.25 (0.0098) US | 2.127 - 2.130 (0.0837 - 0.0839) | ||||
| #2, #4, #5 | STD | 2.000 - 2.013 (0.0787 - 0.0793) | |||
| 0.03 (0.0012) US | 2.019 - 2.022 (0.0795 - 0.0796) | ||||
| 0.05 (0.0020) US | 2.029 - 2.032 (0.0799 - 0.0800) | ||||
| 0.25 (0.0098) US | 2.129 - 2.132 (0.0838 - 0.0839) | ||||
| STD: Standard I.D.: Inner Diameter O.D.: Outer Diameter OS: Oversize US: Undersize | |||||
GENERAL SPECIFICATION
Identifying Timing Belt Components With Torque Specification. Scheme 495
Identifying Cylinder Head And Camshaft Components With Torque Specification. Scheme 496
Identifying Cylinder Head And Valve Assembly Components With Torque Specification. Scheme 497
Identifying Cylinder Block Components With Torque Specification. Scheme 498
Identifying Crankshaft And Piston Components With Torque Specification. Scheme 499
Identifying Engine Mounting Components With Torque Specification. Scheme 500
For the removal and installation procedure of intake and exhaust valve, refer to "Cylinder Head". < Ref. to REMOVAL, Cylinder Head. > and < Ref. to INSTALLATION, Cylinder Head. >
For the removal and installation procedure of piston, refer to "Cylinder Block". < Ref. to REMOVAL, Cylinder Block. > and < Ref. to INSTALLATION, Cylinder Block. >
For the removal and installation procedure of connecting rod, refer to "Cylinder Block". < Ref. to REMOVAL, Cylinder Block. > and < Ref. to INSTALLATION, Cylinder Block. >
For the removal and installation procedure of crankshaft, refer to "Cylinder Block". < Ref. to REMOVAL, Cylinder Block. > and < Ref. to INSTALLATION, Cylinder Block. >
See also:
• BASIC DIAGNOSTIC PROCEDURE