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ELEC
IGNITION SYSTEM
8250
MEASURING THE IGNITION SYSTEM
PEAK VOLTAGE
WARNING
When checking the peak voltage do not
touch any of the connections of the digital
tester lead wires.
NOTE:
• If there is no spark or the spark is weak,
continue with the ignition system test.
• If a good spark is obtained, the problem is
not with the ignition system, but possibly
with the spark plug(s) or another compo-
nent.
1. Measure:
• CDI unit output peak voltage
Above specification → Replace the
ignition coil.
Below specification → Measure the
charge coil output peak voltage.
CDI unit output peak voltage
(oil injection except for 115BETO
models)
Black/white (B/W) – Black (B)
Circuit
r/min
Cranking
V
—
CDI unit output peak voltage
(pre-mixed and 115BETO models)
Black/white (B/W) – Black (B)
Circuit
r/min
Cranking
V
—
8-12
Loaded
1,500
3,500
125
140
145
Loaded
1,500
3,500
85
140
135
E
8
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