Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 59Get this manual

Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 59

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1997 DFI Troubleshooting without the DDT 1997 OFI Troubleshooting Guide Symptom 1 Engine cranks but won't start Cause 1.1 Weak battery or bad starter motor, battery voltage drops below volts while cra