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ELEC
IGNITION SYSTEM
IGNITION SYSTEM
Peak voltage
When checking the peak voltage do not touch
any of the connections of the digital tester lead
wires.
NOTE:
S If there is no spark or the spark is weak, contin-
ue with the ignition system test.
S If a good spark is obtained, the problem is not
with the ignition system, but possibly with the
spark plug(s) or another component.
1. Measure:
S 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
Orange (O) – Brack (B)
Circuit
r/min
Cranking
V
–
2. Measure:
S Charge coil output peak voltage
Above specification ! Measure the pulser
coil output peak voltage.
Below specification ! Replace the charge
coil.
Charge coil output peak voltage
Brown / White
(Br/W) – Black (B)
Circuit
r/min
Cranking
V
120
42
Loaded
1,500
3,500
105
175
135
Loaded
1,500
3,500
115
205
150
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