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Yamaha 25BMH Manual De Servicio página 406

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ELEC
IGNITION SYSTEM
CHECKING THE CDI UNIT
1. Measure:
CDI unit
Out of specification → Check the
peak voltage.
Pocket tester
90890-03112
NOTE:
• Digital circuit tester cannot be used for
this check. Use analogue tester.
• CDI resistance values will vary from
meter to meter, especially with elec-
tronic digital meters. For some testers,
polarity of leads is reversed.
Measuring steps
(1) Disconnect the CDI unit
the wire harness.
(2) Connect the pocket tester (Ω × 1K) to
the CDI unit as shown list.
Refer to "CDI UNIT" on page 8-10.
NOTE:
There is a point at which the pointer swings
greatly and swings back. Read the point
where the pointer has returned to stop.
8-11
1
resistance
1
leads from
E

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