Ignition System Peak Voltage - Yamaha F20A Service Manual

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ELEC
IGNITION SYSTEM

IGNITION SYSTEM PEAK VOLTAGE

WARNING
When checking the CDI unit, do not touch
any of the connections of the digital tester
leads.
1. Measure:
CDI unit output peak voltage
Above specification → Replace the
ignition coil.
Output peak voltage:
r/min
Opened
V
200
2. Measure:
Charge coil output peak voltage
Below specification → Replace the
stator.
Output peak voltage:
r/min
Opened
V
240
3. Measure:
Pulser coil output peak voltage
Below specification → Replace the
pulser coil.
Output peak voltage:
r/min
Opened
V
90
Test harness:
YB-06768/90890-06768
8-13
B/W – O
Cranking
1500
Closed
180
190
G/W – W/G
Cranking
1500
Closed
210
210
R – W
Cranking
1500
Closed
90
210
E
3500
190
3500
210
3500
240

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