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Sym VS150 - Page 100

Sym VS150
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18. ELECTRICAL SYSTEM
Inspection on Ignition Coil
18-9
Remove the luggage box.
Disengage the connector of the ignition coil and
the spark plug cap.
Measure the resistance between the terminals of
the primary winding.
Standard resistance: 0.17
± 10%
Remove the cap from the spark plug and measure
the resistance between the spark plug and the
primary winding.
Standard resistance:
With no cap: 3.6K
± 10%
With cap: 7.3~11 K
Replacement
Loosen the lock bolt and replace the ignition coil if
necessary.
Inspection on Exciting Coil
Caution
The test can be carried out without removing the
exciting coil from the engine.
Remove the front cover.
Disconnect coupler of the exciting coil.
Measure the resistance between the black/yellow
terminal and the earth.
Inspection of Pulse Generator
Disconnect the coupler of the pulse generator and
measure the resistance between the terminals of
blue/yellow and green.
Standard resistance: 100~130
Ignition coil
Spark plug
Exciting coil coupler
Pulse generator

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