5-6 ENGINE TOP END
Specif ications
Item Standard Service L imit
Clean Air System:
Vacuum switch valve closing Open → Close
pressure: 45 ∼ 53 kPa ---
(340 ∼ 400 mmHg, 6.5 ∼ 7.7 psi)
Camshafts:
Cam height: Exhaust 36.146 ∼ 36.254 mm 36.05 mm
(1.4231 ∼ 1.4273 in.) (1.419 in.)
Inlet 36.746 ∼ 36.854 mm 36.65 mm
(1.4467 ∼ 1.4509 in.) (1.443 in.)
Camshaft journal, camshaft cap
clearance
0.028 ∼ 0.071 mm 0.16 mm
(0.0011 ∼ 0.0028 in.) (0.0063 in.)
Camshaft journal diameter 23.950 ∼ 23.972 mm 23.92 mm
(0.9429 ∼ 0.9438 in.) (0.942 in.)
Camshaft bearing inside diameter 24.000 ∼ 24.021 mm 24.08 mm
(0.9449 ∼0.9457 in.) (0.948 in.)
Camshaft runout TIR 0.02 mm (0.0008 in.) or less TIR 0.1 mm
(0.004 in.)
Cylinder Head:
Cylinder compression (usable range)
1070∼ 1 620 kPa (10.9 ∼ 16.5 kgf/cm², ---
155 ∼ 235 psi) @320 r/min (rpm)
Cylinder head warp --- 0.05 mm
(0.002 in.)
Valves:
Valve clearance: Exhaust 0.22 ∼ 0.31 mm (0.0087 ∼ 0.0122 in.) ---
Inlet 0.15 ∼ 0.24 mm (0.0059 ∼ 0.0094 in.) ---
Valve head thickness: Exhaust 0.8 mm (0.031 in.) 0.4 mm
(0.016 in.)
Inlet 0.5 mm (0.020 in.) 0.25 m m
(0.0098 in.)
Valve stem bend TIR 0.01 mm (0.0004 in.) or less TIR 0.05 mm
(0.02 in.)
Valve stem diameter: Exhaust 4.455 ∼ 4.470 mm 4.44 mm
(0.1754 ∼ 0.1760 in.) (0.175 in.)
Inlet 4.475 ∼ 4.490 mm 4.46 mm
(0.1762 ∼ 0.1768 in.) (0.176 in.)
Valve guide inside
diameter:
Exhaust
4.500 ∼ 4.512 mm 4.58 mm
(0.1772 ∼ 0.1776 in.) (0.180 in.)
Inlet 4.500 ∼ 4.512 mm 4.58 mm
(0.1772 ∼ 0.1776 in.) (0.180 in.)
