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Recent content by Skinny1

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    Water pump problems

    was the key in the impeller? or did the impeller spin on the shaft?
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    2003 yamaha 90 4 stroke hesitation at mid throttle

    I assume either a port is dirty yet or an oring is leaking on cylinder one? Since it starts and idles excellent, which ports or Oring, or gasket should i look at first? trying to do this without removing carb so i dont have to resynchronize if possible. is it possible for the orings on the...
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    2003 yamaha 90 4 stroke hesitation at mid throttle

    Number one is a little lighter
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    2003 yamaha 90 4 stroke hesitation at mid throttle

    Actually, number one plug is lighter color than the rest.
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    2003 yamaha 90 4 stroke hesitation at mid throttle

    i cant figure out how to make a picture smaller on iphone. they all look similar to me. will get another set and install.
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    2003 yamaha 90 4 stroke hesitation at mid throttle

    Hello Have a 2003 90hp 4 stroke. Have had the carbs cleaned and synchronized. Still have a hesitation/ stumble between 2000 and 3000 RPM. Starts and idles great. Gas is new, 91 octane. primer bulb stays firm- no air leaks in hose. above 3000RPM it takes off full power. Im wondering if the...
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    Yamaha Tachometer testing on Alumacraft TP 17.5 2003

    I am able to get an AC voltage and a frequency reading off the output wire.
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    Yamaha Tachometer testing on Alumacraft TP 17.5 2003

    Hello, installed the new rectifier. ran a wire from the blue on rectifier to the signal wire on tachometer. use the link to see video. https://photos.app.goo.gl/3PEWfdjURVJy2RUz5 i think the tachometer is bad, whats your thoughts?
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    Yamaha Tachometer testing on Alumacraft TP 17.5 2003

    perfect! thank you very much! part is ordered
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    Yamaha Tachometer testing on Alumacraft TP 17.5 2003

    When i google the Rectifier 67F-81960-11-00 from your schematic the results all have the round connector a black wire and a red wire... the only ones that have the blue wire are for a motorcycle. no idea why... Thank you.
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    Yamaha Tachometer testing on Alumacraft TP 17.5 2003

    Here is the wires at bottom of rectifier
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    Yamaha Tachometer testing on Alumacraft TP 17.5 2003

    ok. Rectifier is SH758AA. the pictures i look up show an extra Blue wire that i do not have. would i be better off trying a different rectifier? that might be cheaper than a different tachometer but still dont know if it will work!
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    Yamaha Tachometer testing on Alumacraft TP 17.5 2003

    i will go take the rectifier off if i need to.
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    Yamaha Tachometer testing on Alumacraft TP 17.5 2003

    one last question. if i look for a different tachometer, what are the requirements? analog, pulse?
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    Yamaha Tachometer testing on Alumacraft TP 17.5 2003

    this is what i am seeing. 7 is rectifier. 3 green going in and a red and a black coming out. there is not a seperate green white wire. Thank you for you time and effort. i will look for a different analog tach.
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