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Type: Posts; User: Natter

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  1. Replies
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    Re: Yamaha 90 overheating

    That gasket/grommet thing is new, and I'm fairly certain it fits snugly to the pipe. Again, it's pumping great when the motor is sitting down low in the water. Thanks for the ideas, keep em coming!
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    Re: Yamaha 90 overheating

    Yes, I believe it is, more or less. We've run the boat for 14 years and this is a new development. Also, I can get the same result by slowly lifting the motor when in neutral.
    Is there any part or...
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    Re: Yamaha 90 overheating

    Thanks for the detailed reply. Yes, I'm very familiar with the water pump and its parts as I've had it apart many times, with success in years past. I'm fairly certain the plate is in correctly as...
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    Re: Yamaha 90 overheating

    ClassiqAQ, thanks for the reply. Yes, thats it exactly. I raise it in slow increments and and a point, seemingly when the actual pump is higher than the water level, the pee stream dies off. If I...
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    Re: Yamaha 90 overheating

    Hi All,
    thought I'd update as my problem still persists. Ive done extensive diagnosis and it seems the water stops pumping when the motor rises up on plane. I've tried it many times over the last...
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    Re: Yamaha 90 overheating

    Oh geezus....I hope thats not it. Ill pick up a tester and try it though. Thanks
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    Re: Yamaha 90 overheating

    I'm glad you mentioned that: I double and triple checked the impeller on the key as I thought that was likely. The key is intact and fitted in the slot in the impeller, with no sign of wear. I...
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    Re: Yamaha 90 overheating

    Thanks for the reply. Yes, it was overheating before the pump replacement. The impeller was deteriorated.
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    Yamaha 90 overheating

    I need help. I have a 2003 90 two stroke that overheats on plane. Yesterday I dropped it in the water and idled about 20 minutes through the back channel. Water was pumping great and no problems. ...
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