INSP
ADJUS
3-16
COMPRESSION PRESSURE MEASUREMENT
Compression pressure (at sea level)
Standard:
1,200 KPa (12 kg/cm², 171 psi)
Minimum:
960 KPa (9.6 kg/cm², 128 psi)
Maximum:
1,300 KPa (13 kg/cm², 185 psi)
If the pressure is below the minimum level:
1) Pour some drops of oil into the affected
cylinder.
2) Measure the compression again.
Above the maximum
level
Compression pressure
(with oil poured into the cylinder)
Reading
Diagnostic
Higher than without
oil
Worn or damaged
piston
Same as without oil
Ring, valve, head or
piston gasket worn
or damaged
Inspect head and
valve surfaces or
carbon fouling on
the piston head
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8. Install:
Spark plug
See Section “SPARK PLUG INSPECTION.”
9. Connect:
Spark plug cap
Spark plug
17,5N.m (1.75Kg.m ; 12.5 ft.lb)
