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2.5 L Model

  1. Engine
    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 cm3 (cu in) 2, 498 (152)
    Compression ratio 12.0
    Compression pressure (at 200 - 300 r/min) kPa (kg/cm2 , 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 37°
    - Min. advance BTDC 41°
    - Close Max. retard ABDC 105°
    - Min. advance ABDC 27°
    Exhaust valve timing Open Max. retard BBDC 10°
    - Min. advance BBDC 65°
    - Close Max. retard ATDC 46°
    - Min. advance BTDC 9°
    Cam clearance mm (in) Intake Standard 0.13+0.02-0.03 (0.0051+0.0008-0.0012 )
    Exhaust Standard 0.22±0.02 (0.0087±0.0008)
    Idle rpm (select lever in "P" or "N" range) r/min No load Standard 675±100
    A/C ON Standard 800 - 900±50
    Ignition order 1 → 3 → 2 → 4
    Ignition timing BTDC/{r/min} Standard 8°±10°/675
  2. Camshaft
    Bending mm (in) Limit 0.012 (0.0005)
    Cam lobe height mm (in) Intake Valve drive section Standard 39.82 - 39.92 (1.5677 - 1.5717)
    Fuel pump drive section Standard 44.94 - 45.06 (1.7693 - 1.7740)
    Exhaust Standard 39.66 - 39.76 (1.5614 - 1.5654)
    Cam base circle diameter mm (in) Standard 34.0 (1.3386)
    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)
  3. Cylinder head
    Warpage (mating surface with cylinder block) mm (in) Limit 0.020 (0.0008)
    Grinding limit mm (in) 98.45 (3.8760) or less
    Height mm (in) Standard 98.5 (3.8779)
  4. Valve & valve guide
    Valve overall length mm (in) Intake 104.95 (4.1319)
    Exhaust 96.53 (3.8004)
    Valve head edge thickness mm (in) Intake Standard 0.8 - 1.2 (0.0315 - 0.0472)
    Exhaust Standard 1.0 - 1.4 (0.0394 - 0.0551)
    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) Intake Standard 12.9 - 13.3 (0.5079 - 0.5236)
    Exhaust Standard 11.4 - 11.8 (0.4488 - 0.4646)
  5. 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 (0.2144 - 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)
  6. Valve seat
    Seating width between valve and valve seat mm (in) Intake Standard 0.8 - 1.6 (0.0315 - 0.0630)
    Exhaust Standard 1.1 - 1.7 (0.0433 - 0.0669)
    Seating angle between valve and valve seat 45°
    Seating position between valve and valve seat Valve face center
  7. Valve spring
    Free length (reference) mm (in) Standard 41.94 (1.6512)
    Tension/spring height N (kgf, lbf)/mm (in) Set Standard 182 - 210 (18.56 - 21.41, 40.92 - 47.22)/34.50 (1.3583)
    Lift Intake Standard 532 - 588 (54.25 - 59.96, 119.61 - 132.21)/24.21 (0.9531)
    Exhaust Standard 528.2 - 583.8 (53.86 - 59.53, 118.76 - 131.26)/24.32 (0.9575)
    Squareness (at height of 30 mm (1.1811 in)) Standard 2.5°, 1.4 mm (0.0551 in) or less
  8. Cylinder block & piston
    Cylinder block warpage (Mating surface with cylinder head) mm (in) Limit 0.025 (0.0010)
    Grinding limit of cylinder block mm (in) 204.95 (8.0689) or less
    Height of cylinder block mm (in) Standard 205.0 (8.0709)
    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 0.030 (0.0012)
    Out-of-roundness of cylinder liner mm (in) Limit 0.030 (0.0012)
    Piston grade point mm (in) 13.3 (0.5236)
    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) oversize Standard 94.220 - 94.240 (3.7094 - 3.7102)
    0.50 (0.0197) oversize Standard 94.470 - 94.490 (3.7193 - 3.7201)
    Clearance between cylinder liner and piston mm (in) Standard 0.015 - 0.035 (0.0006 - 0.0014)
    Inner diameter of cylinder liner boring limit (diameter) mm (in) 94.505 (3.7207) or less
  9. 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)
  10. Piston ring
    Closed gap mm (in) Compression ring Top ring Standard 0.20 - 0.25 (0.0079 - 0.0098)
    Second ring Standard 0.25 - 0.35 (0.0098 - 0.0138)
    Oil ring (Upper rail and lower rail) Standard 0.10 - 0.35 (0.0039 - 0.0138)
    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)
  11. Connecting rod and connecting rod bearing
    Bend or twist per 100 mm (3.9370 in) in length mm (in) Limit Standard 0.10 (0.0039)
    Thrust clearance mm (in) 0.070 - 0.330 (0.0028 - 0.0130)
    Connecting rod bearing thickness (at center) mm (in) Connecting rod side STD1 Standard 1.508 - 1.512 (0.0594 - 0.0595)
    STD2 Standard 1.504 - 1.508 (0.0592 - 0.0594)
    STD3 Standard 1.500 - 1.504 (0.0591 - 0.0592)
    STD4 Standard 1.496 - 1.500 (0.0589 - 0.0591)
    Connecting rod cap side STD1 Standard 1.504 - 1.508 (0.0592 - 0.0594)
    STD2 Standard 1.500 - 1.504 (0.0591 - 0.0592)
    STD3 Standard 1.496 - 1.500 (0.0589 - 0.0591)
    STD4 Standard 1.492 - 1.496 (0.0587 - 0.0589)
    Oil clearance mm (in) Standard 0.017 - 0.047 (0.0007 - 0.0019)
  12. Piston pin & connecting rod bushing
    Clearance between piston pin and connecting rod bushing mm (in) Standard 0.004 - 0.026 (0.0002 - 0.0010)
  13. Crankshaft and crankshaft bearing
    Bending mm (in) Limit 0.030 (0.0012)
    Crankshaft pin Cylindricality mm (in) Limit 0.006 (0.0002)
    - Out-of-roundness mm (in) Limit 0.005 (0.0002)
    - Service limit (dia.) mm (in) 47.976 (1.8888) or less
    Crankshaft journal Cylindricality mm (in) Limit 0.006 (0.0002)
    - Out-of-roundness mm (in) Limit 0.005 (0.0002)
    - Service limit (dia.) mm (in) 67.985 (2.6766) or less
    Crankshaft bearing thickness (at center) mm (in) #1, #2, #3, #4 STD0 (#2, #4) Standard 2.513 - 2.516 (0.0989 - 0.0991)
    STD1 Standard 2.510 - 2.513 (0.0988 - 0.0989)
    STD2 Standard 2.507 - 2.510 (0.0987 - 0.0988)
    STD3 Standard 2.504 - 2.507 (0.0986 - 0.0987)
    STD4 Standard 2.501 - 2.504 (0.0985 - 0.0986)
    STD5 (#1, #3) Standard 2.498 - 2.501 (0.0983 - 0.0985)
    #5 STD0 Standard 2.511 - 2.514 (0.0989 - 0.0990)
    STD1 Standard 2.508 - 2.511 (0.0987 - 0.0989)
    STD2 Standard 2.505 - 2.508 (0.0986 - 0.0987)
    STD3 Standard 2.502 - 2.505 (0.0985 - 0.0986)
    STD4 Standard 2.499 - 2.502 (0.0984 - 0.0985)
    Thrust clearance mm (in) Standard 0.130 - 0.308 (0.0051 - 0.0121)
    Oil clearance mm (in) Standard 0.013 - 0.031 (0.0005 - 0.0012)
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