G23 overheating

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  • sja
    • Jun 2012
    • 66

    • minneapolis

    • 2013 Nautique G23 XS550

    G23 overheating

    Love my new all black G23 with XS550 (closed cooling) - will post pics when I can tear myself 10 feet away from it on a sunny day for some good shots. It started intermittantly overheating up to 200 F and going into "safe" mode, cutting the throttle to idle where it cools down to 160. Plenty of coolant, and oil. Took the weeds out of the strainer. It doesn't occur every time I go out. I'm guessing faulty thermostat, but would like to see if anyone else has had this problem or if any ideas.
  • jrz1
    • Jan 2013
    • 215

    • Lake Norman, NC

    • 2013 G25 XS 550

    #2
    no prob with my G25 550. Did have some issues with my 247 but Indmar thought it had fixes for different supercharger pump and one or two other things. Hope we don't have a design issue on this boat too but no problems for me thus far.

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