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IGNITION SYSTEM
8-11
E
–
+
ELEC
CHECKING THE CDI UNIT
1. Measure:
•
CDI unit
resistance
Out of specification
→
Check the
peak voltage.
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
leads from
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.
Pocket tester
90890-03112
1
1
Summary of Contents for 25BMH
Page 48: ...FEATURES AND BENEFITS GEN INFO 1 12 E COOLING SYSTEM Fig 7 ...
Page 49: ...1 12 CARACTERISTIQUES ET AVANTAGES GEN INFO F ...
Page 50: ...1 12 MERKMALE UND VORTEILE GEN INFO D ...
Page 51: ...1 12 CARACTERÍSTICAS Y VENTAJAS GEN INFO ES ...
Page 92: ...MAINTENANCE SPECIFICATIONS SPEC 2 8 E DIMENSIONS ...
Page 156: ...GENERAL CHK ADJ 3 26 E NOTE Grease the inner cable and the lock nut 2 Apply Yamaha grease D ...
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Page 446: ...Printed on recycled paper Printed in Japan Oct 2000 1 9 1 25BMH 30HMH YAMAHA MOTOR CO LTD ...