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4-4 ENGINE TOP END
Specifications
Item
Standard
Service Limit
Camshaft:
Cam height
31 .778 -31 .918 mm
31.469 -31.609 mm
31 .68 mm
31 .37 mm
0.16 mm
0.21 mm
23.92 mm
23.87 mm
24.08 mm
0.1 mm TIR
1 28.9 mm
Inlet
Exhaust
Camshaft, camshaft cap clearance
A
B
Camshaft journal diameter: A
B
Camshaft bearing inside diameter
Camshaft runout
Camshaft chain 20-link length
0.028 -0.071 mm
0.078- 0.121 mm
23.950 -23.972 mm
23.900 -23.922 mm
24.000 -24.021 mm
127.0- 127.4 mm
Cylinder Head:
Cylinder compression (Usable range)
1 686 -1 079 kPa
(7.0 -11.0 kg/cm2, 99 -156 psi)
@330 r/min (rpm)
Cylinder head warp
0.05 mm
Valves:
Valve clearance
Inlet
Exhaust
36.4 mm
0.25 mm
0.35 mm
0.05 mm TIR
Valve spring free length
Valve head thickness:
Inlet
Exhaust
0.12- 0.17 mm
0.16- 0.21 mm
38.2 mm
0.5mm
0.7 mm
0.02 TIR or under
45°, 32°, 60°
Valve stem bend
Valve seat cutting angle
Valve seat surface:
Width:
0.5 -1 .0 mm
0.5 -1 .0 mm
21 .5 -21 .7 mm
18.5- 18.7 mm
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Outside diameter:
~
Inlet
Exhaust
Inlet
Exhaust
Camshaft Journal Diameter