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  1. R

    Merc 5.0L 260 hp head gasket issue

    My Stingray 220DR with 35 hours on it (new this summer) blew a head gasket. Dealer said Merc has had a problem with this in new engines recently. Has anyone heard of this in a new engine?
  2. R

    Humminbird Acting Cuckoo

    I have a transom mounted Humminbird 600 which has worked well for four years. In the past few days the display will suddenly read '1.5' from a consistent accurate reading. If I shut the engine and restart the electronics, it reads accurately again for a few minutes. I was in the water and...
  3. R

    Engine temp question

    My 4.3L 190hp merc engine always ran at about 165-170 degrees. I've noticed this summer when I run it hard it goes up to 180; no higher. I run in clean, freshwater and have 130 hours on the engine. I don't think the water pump was ever serviced but is scheduled to be done in the Fall. Am I...
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