Yamaha 25BMH Service Manual page 408

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ELEC
IGNITION SYSTEM
2. Measure:
• CDI unit output peak voltage
Below specification → Replace.
CDI unit output peak voltage
r r r r / / / / m m m m i i i i n n n n
D D D D . . . . C C C C . . . . V V V V . . . .
NOTE:
Before measuring CDI unit output peak volt-
age, make sure that no abnormality is
observed on the charge coil and the pulser
coil.
NOTE:
For the peak voltage measurement, connect
the adaptor as the illustration
open circuit, and as the illustration
the closed circuit.
8-12
B/O - B, B/W - B
C C C C r r r r a a a a n n n n k k k k i i i i n n n n g g g g 1 1 1 1 , , , , 5 5 5 5 0 0 0 0 0 0 0 0
O O O O p p p p e e e e n n n n e e e e d d d d C C C C l l l l o o o o s s s s e e e e d d d d
5.5 130.0 135.0 135.0
E
3 3 3 3 , , , , 5 5 5 5 0 0 0 0 0 0 0 0
A
for the
B
for