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Testers
Disconnect the DDS.
Checking cylinder compression
Note
A table at the end of this section explains the icons used in this procedure.
The performance and efficiency of an engine are directly linked to the compression inside the combustion chambers of
the two cylinders. Compression which is too high/low or a large compression difference between the two cylinders will
cause a drop in engine performance and can cause engine breakdowns.
Start the engine and let it warm up until the fan switches on at least once.
Remove the outer structures.
Open the throttles fully.
Remove the spark plug-coil cables (20) from both spark plugs.
Remove the spark plug from the cylinder to be checked.
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