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Mercury 200 OptiMax Jet Drive Service Manual

Mercury 200 OptiMax Jet Drive
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Charging and Starting System
90-8M0050731 MAY 2011 Page 2B-13
Diagnosis of Alternator System on the Engine
1. If the battery is undercharged, verify the condition is not caused by excessive accessory current draw or by accessories which
have been accidentally left on.
2. Check the physical condition and the state of the battery charge. The battery must be 75% (1.230 specific gravity) or greater
to obtain valid results in the following tests. Charge the battery if it does not show the minimum 75% state of charge.
3. Inspect the entire alternator system wiring for defects. Check all connections for tightness and cleanliness, particularly the
battery cable clamps and battery terminals.
4. The alternator mounting bracket has rubber isolation mounts. Ensure the alternator ground cable is secured to the alternator
and the cylinder block.
IMPORTANT: The red fusible link cable on the alternator must be tight. A discolored insulator sleeve indicates the lead was
loose and becoming hot. Verify the fusible link cable attaching locknut is torqued to specification.
a - Terminal insulator sleeve (hidden under boot)
Description Nm lb‑in. lb‑ft
Nut (M6) 7 62
5. Check the belt for excessive wear, cracks, glazed surfaces, and fraying. Belt tension is maintained by a belt tensioner
assembly.
a - Belt
a
32031
a
32032

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Mercury 200 OptiMax Jet Drive Specifications

General IconGeneral
BrandMercury
Model200 OptiMax Jet Drive
CategoryOutboard Motor
LanguageEnglish

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