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Another V-6 Warning buzzer thread ...

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  • Another V-6 Warning buzzer thread ...

    Hello there,
    I've got a 1996 150TLRU Yamaha that is giving me fits with warning buzzer problems. Impeller is fresh, new PCV and grommet, getting water through tell tell hole, cylinder outside walls are running at 160 on lower 4 and about 185 on upper two cylinders. Is this the proper range for operation ? Or, am I not getting enough water pressure to fill the entire engine ?

    Any help appreciated in advance !

  • #2
    Overheat sensors activates at 183-194 degrees. May need to replace whole water pump.
    Regards
    Boats.net
    Yamaha Outboard Parts

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