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    2004 5.7 Thunderbolt turns over but won't start

    Serial number: OM675896 Boat is moored in the water since July. Did about a 30 mile fishing trip on January 23, boat ran fine. Started it up a few times since then, got harder and harder to start each time also didn't stay idling until warmed up. On Saturday I tried to start it and no go...
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    Constant alarm but motor running fine - 2004 5.7l raw water cooled Thunderbolt

    For context, my boat is moored in semi fresh water (tidal river next to the ocean) and hasn’t left the dock since September. I drained the block etc before our cold spell (coldest was 4.8c in the engine bay) and today was 10c, perfect day for ocean fishing, until… Since sept I have started it...
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