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1998 15FMH questions on water flow after service

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  • 1998 15FMH questions on water flow after service


    I have a 1998 15Hp and its new to me and my first Yamaha.

    Full service completed as it was not pumping water or idling, now it runs sweet and pumps lots of water, maybe to much?

    There seems to be 5 different places water flows from with pressure not a leak as such,

    1. Tell Tale flows very strong

    2. In front of the Cav Plate, next to the bolts which hold the gearbox leg on, there is a hole either side and i have water coming out of these

    3. There is two hole at the back of the Cav plat and water flows from both

    The motor doesn't get hot but I am worried its putting water into the gearbox leg, so far the oil is clean but i only have run the motor for 10mins after i did a full service including water pump impeller.

    Is this normal for the a Yamaha?

    Thanks

  • #2
    Sorted its totally normal found a few YouTube videos and they do the same
    How to Replace an Outboard Water Pump. Yamaha 15HP - YouTube

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    • #3
      Put new washers on the gear box plug if you check oil most commen mistake high chance of water getting in reuseing washer

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