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Mercury 4 SERIES User Manual

Mercury 4 SERIES
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IGNITION SYSTEM
90-857138R1 MAY 2000 Page 2A-7
Trigger Coil
CAUTION
DO NOT rotate flywheel during test or damage to meter may result.
1. Use an ohmmeter to perform the following test.
149-223
2. If meter readings are other than specified, replace trigger coil. Refer to “Ignition Compo-
nents Removal and Installation,” following.
Ignition Coil
A. SPARK TEST
1. Install spark gap tester (91-63998A1) between high tension spark plug lead and engine
ground.
56274
2. Crank engine over using starter rope. Spark should occur at tester.
3. If test yields no spark, or engine will not run properly, proceed to tests B thru E.

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Mercury 4 SERIES Specifications

General IconGeneral
BrandMercury
Model4 SERIES
CategoryOutboard Motor
LanguageEnglish

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