Polaris TX Starfire Owner's Manual page 59

1973 tx starfire
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I
I
THREE CYLINDER IGNITION (Con't.)
4.1
Checking at the time of out of order
If engine does not start or does not run in good condition
and if checking is required to confirm whether or not each
part is normal check the following:
( 1)
Lighting Coi I
Check continuity of coils to the stator (ground potential)
and the lead wire (yellow) by a circuit tester. If resistance
is read about 0.75 ohms it shows coils are normal.
(2)
Exciter Coil I
If the tester shows that the exciter coil has resistance
about 470 OHMS between the stator and the lead wire
(red) it is normal.
(3)
Exciter Coil II (Pulser Coil)
If the tester shows resistance 20-22 ohms between lead
wire (green) and the lead wire (blue) and if it is co be-
tween the stator and the lead wire (either green or blue)
it is norma I.
4.2 Ignition Coil
( 1)
Using the tester, check if there is breakdown of a
primary coil and secondary coil. It is normal if the pri-
mary resistance is 0. 7 Ohms and the secondary is 12K
ohms.
4.3 CDI unit
In general, the checking of CDI units is not easy and it is
desirable to use a unit tester. But if it cannot be available
check it as per the following as a preliminary method:
( 1)
If resistance shown between the unit case and each
lead wire is co.
(2)
If a pointer of tester moves when connected between
the lead wire (black) and the plus terminal of tester and
57

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