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Evinrude E-TEC 250 - Static Ignition Test

Evinrude E-TEC 250
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82
SYSTEM ANALYSIS
IGNITION OUTPUT TESTS
Static Ignition Test
Perform the static ignition test using Evinrude
Diagnostics software and an inductive timing light.
IMPORTANT: DO NOT use a spark checker
tool. Radio Frequency Interference (RFI) gener-
ated by the arcing current can cause erratic EMM
operation.
The outboard must NOT be running and the emer-
gency stop switch lanyard must be installed.
Connect timing light pickup to the secondary cir-
cuit (spark plug lead) of the cylinder being tested.
Activate test and observe timing light strobe for
consistent flash.
IMPORTANT: You may need to remove shield-
ing from wire if pickup does not read signal.
Results:
No spark on one or more cylinders:
Inspect or replace spark plugs
Refer to Ignition Control Circuit Tests on
p. 84
Refer to Ignition Coil Tests on p. 84.
Steady spark on all cylinders:
Refer to Running Ignition Tests on p. 83 and
DYNAMIC TESTS on p. 77.
Testing, Static Test Screen 008106
1. Timing light pick-up
2. Spark plug lead
004255
12

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