Ignition System Inspection - KEEWAY F-ACT EVO Instruction & Maintenance Manual

2.3 Ignition System Inspection

*Note
• When there is no spark on the spark plug, check whether
there is loose wiring or poor contact of all components,
and make sure all voltage values are normal.
• There are various kinds of multimeters with different
internal impedances and different test values.
Connect a high-pressure shunt or an ammeter with
n input impedance above 10MΩ10CV to the multimeter.
2.3.1 Primary Voltage of Ignition Coil
If you replace the original spark plug with a better one,
make ground connection with the engine.
* Note
Make sure the wire connection is
correct before testing.
Cylinder compression pressure
normally refers to the test value when
the spark plug is installed in the
cylinder head.
Connect the wires of ignition coils. Ground connect
the two ends (black/white) of the primary coil to the car
body to create current divider.
Press the staring motor or step on the actuating lever to
measure the voltage of the ignition coil at a time.
Minimum Voltage：above 95V.
* Note
Never touch the metal of test prod when
measuring the voltage in case of electric shock.
2.3.2 Trigger
* Note
Install the spark plug in the cylinder head
and carry out the measuring when the
compression pressure is normal.
Remove the 4P and 2P joints of CDI group, connect
the high-voltage shunt between the 2P joint of charging
万用表
Multimeter
Multimeter
万用表
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点火线圈
Ignition
Coil