(X)Measuring of compressive force
Inadequate compressive force will reduce the
engine performance.
Before measuring compressive force. Valve
clearance should be adjusted first (refer to “Ad-
justment of valve clearance section).
1.Put the vehicle on the flat ground.
2.Take off spark plug.
3.The following is steps of measuring com-
pressive force:
a.Install pressure gauge and change connector.
b.Turn the throttle lever to Max point.
Start the engine with power (battery has
charged enoughly)until no increase of read
pressure gauge.
When starting the engine, the spark plug must
be connected to ground for avoiding spark.
c.When checking the following ,the read of
pressure gauge:
Compressive force on sea level:
Standard value:(9.5kg/cm
2
)
Min.Value:(8.0kg/cm
2
)
Max.Value:(10.0kg/cm
2
)
Caution
Warning
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