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9.3 Inspection
(1) Ignition coil
● Attach the two leads of meter to the primary coil plug of ignition coil and measure the primary
resistance of the ignition coil.
Primary resistance 0.8—1.3Ω
● Attach one lead of the meter to each terminal of primary coil plugs of ignition coil and the other
lead to the spark plug cap，then measure the secondary resistance of the ignition coil.
Secondary resistance 15—21kΩ
(2) Rectifier
Measure the on or off (positive pressure fall) of rectifier with control potentiometer
, the
measurement should agree with the standard as shown in the chart.
Positive
Negative
1 2 3 4
1 OFF OFF OFF
2 ON OFF OFF
3 ON ON ON
4 ON OFF OFF
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