JAC S5 - Engine Overhaul Technical Data; Engine Dimensions and Valve Timing; Component Specifications

S5 Workshop Manual Engine
EM-64
Maintenance Data and Specification
Engine Overhaul Data List
Item
Specification Parameter
Limiting Value
Type
Cylinder numbers
Cylinder bore
Stroke
Discharged
Compression ratio
Ignition orders
In-line, dual overhead cam, 16-valve,
turbocharging
4
83 mm
83 mm
1.795 L
8.5:1
1-3-4-2
Air intake valve
Open (BTDC)
OFF(ABDC)
Air exhaust valve
Open (BBDC)
OFF (ATDC)
12º
56º
54º
14º
Cylinder gasket surface
flatness
Manifold installing flatness
The size of repaired valve seat
hole is enlarged.
Air intake
0.3 mm O.S.
0.6 mm O.S.
Air exhaust
0.3 mm O.S.
0.6 mm O.S.
The size of repaired valve
guide pipe hole is enlarged
(intake and exhaust)
0.05 mm O.S.
0.05 mm O.S.
0.05 mm O.S.
Max. 0.03 mm
0.15 mm
35.3 ～ 35.325 mm
35.6 ～ 35.625 mm
33.3 ～ 33.326 mm
33.6 ～ 33.625 mm
12.05 ～ 12.068 mm
12.25 ～ 12.268 mm
12.50 ～ 12.518 mm
Cam height
Air intake
Air exhaust
Manual transmission
Automatic transmission
Outer diameter of journal
Bearing clearance
End play
35.493 mm
35.204 mm
35.204 mm
020.0
035.0
26


φ
0.040 ～ 0.076 mm
0.1 ～ 0.2 mm
34.993 mm
34.704 mm
34.704 mm
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