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Thread: Help needed With Yamaha 15 hp Motor

  1. #1

    Help needed With Yamaha 15 hp Motor

    Hi I have a 15 H P Yamaha Motor
    Can some one tell me if and where the telltale water for the motor exit the motor.
    as I have had many other motors and always there has been a telltale squirt of water on the side of the motor but not so on my Yamaha.
    Dose it exit the motor at the back of the motor Or where ??.Or dose the thermostat have to open first befor any water exit's
    Any help would be most appreciated with thanks.
    yours Harry
    Harry Cabfisher

  2. #2

    Re: Help needed With Yamaha 15 hp Motor

    G'Day Harry, I have a 15hp Yamaha o/board, if you are not seeing a telltale then you have a defective water pump impellor, My Yammie is abour 8yrs old and used only in freshwater, 3 months ago I had the impellor replaced for the first time, The telltale is unmistakable, The telltale outlet is when standing at the back of the motor you will find the outlet port on the right hand side just under the engine cover, I hope this has been a help too you Harry, Cheers Whitto

  3. #3

    Re: Help needed With Yamaha 15 hp Motor

    Quote Originally Posted by Whitto View Post
    G'Day Harry, I have a 15hp Yamaha o/board, if you are not seeing a telltale then you have a defective water pump impellor, My Yammie is abour 8yrs old and used only in freshwater, 3 months ago I had the impellor replaced for the first time, The telltale is unmistakable, The telltale outlet is when standing at the back of the motor you will find the outlet port on the right hand side just under the engine cover, I hope this has been a help too you Harry, Cheers Whitto

    Hi Whitto Thanks for your advive I will check it out today as my motor has been standing for 12 month as I have had a few medical problems such as Bi pass and a knee replacement opp. so thanks againcheers Harry
    Harry Cabfisher

  4. #4

    Re: Help needed With Yamaha 15 hp Motor

    Quote Originally Posted by cabfisher View Post
    Hi Whitto Thanks for your advive I will check it out today as my motor has been standing for 12 month as I have had a few medical problems such as Bi pass and a knee replacement opp. so thanks againcheers Harry

    Hi all well after some inspection of tell tale I found that the hose from power head to tell tale was blocked with sand and mud so we took it off blew threw it and no problem no more thanks for your help any way cheers Harry
    Harry Cabfisher

  5. #5

    Re: Help needed With Yamaha 15 hp Motor

    hi harry you will have a tell tale it will just be blocked a piece of wire put up the tell tale whilst running the engine usually clears it.
    good luck harry.

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