Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 120Get this manual

Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 120

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Problem
Horn Failure Battery Voltage too high (16V) or too low (11 V) or very low (9.5V)

Over Heat CylHeadCompressor Throttle Sensor Failure

Continuous Beep Continuous