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    200EFI eats waterpumps

    96 Merc 200EFI on 18' flats boat, 6" jackplate 23p Temptest eats waterpumps every 3-4 months. It never runs hot I just notice that it won't **** @ idle. Pull the pump and its falling apart in chunks. I don't run the boat on muffs, I try not to run in water less than 3'. I do jack the motor up...
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    High Voltage ?

    My 1996 200EFI Merc's voltage gauge is pegged while running at anything above idle. I noticed the last time out that my GPS had a message that it was shutting down due to high battery voltage. Sure enough gauge was pegged came off plane to idle speed and it was fine. Throttled up and there went...
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