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20.1 Spark test
1.
Disconnect the spark plug from the cylinder.
2.
Connect Ignition Tester to spark plug cap and ground
the clip to the cylinder fins. See Figure 1.
3.
Adjust the knob to 6 mm gap between the two
electrodes, read 6 marks on the corresponding
scale.
4.
Pull firmly in the starter handle.
5.
A clear blue spark will be visible between the elec-
trodes if the ignition works properly.
The ignition system must be capable of producing a
strong spark or the engine will have performance prob-
lems particularly under load.
20 Test the ignition
Fig. 1
English - 43
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