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KINROAD 150 SERVICE MANUAL
Connect the positive end of the multimeter with the trigger winding (green/red wire terminal) on the 4-core
connector, and the negative end with the green wire terminal on the 4-core connector. Press the starting
button or kick starter and measure the highest voltage of the trigger winding. It should be more than 2.1V.
When the measured highest voltage of the trigger winding is not normal, then remove the generator
connector, and make further measurement.
If the measured terminal voltage of the CDI component is not normal, the generator terminal voltage is
normal, then there is a bad wire or bad connection.
If both are not normal, it is a bad trigger winding.
IGNITION CHARGING COIL
Remove the connector of the ignition charging coil wire.
Measure the resistance value between the ignition charging coil (black/red wire) and the body ground wire.
When the actual value is more than the standard value, it should be replaced.
TRIGGER WINDING
Remove the connector of the trigger winding wire.
Measure the resistance value between the trigger winding (green/red wire) and the body ground wire.
When the actual value is more than the standard value, it should be replaced.
CDI COMPONENT
It is similar with the regulator inspection. The CDI component inspection is also divided into two
step:
First inspect every wiring, winding or coil connected with CDI;
Then inspect the CDI component.
Remove the CDI component.
Inspect if the connector is loose or eroded.
Inspect the conduction condition and the resistance value of the main switch, the ignition charging coil, the
trigger winding and the ignition coil. When the main switch is at "OFF" position, it should be conducted, and
the resistance value of every coil should be the standard value.
Inspect the resistance value between every CDI component terminal. If the actual value is not in the range
of the value in the chart, then the CDI component is faulty.
The CDI component can also be inspected and measured with the CDI testing instrument.
Standard value
Standard value
300-1000Ω(20℃)
4-300Ω(20℃)
71
VERSION 1, DEC., 2005
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