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  1. Q

    Audible alarm question..

    I am hearing impaired and can't hear the alarm from my 2002 yamaha 90 when it sounds, unless the engine is not running. Does anyone know if an external alarm can be installed that would maybe be louder. I ran the tank low on oil recently and didn't hear the alarm until I had already come to...
  2. Q

    Electrothermal valve?

    Can someone explain how the electrothermal fuel enrichment valve operates on my '02 90 hp yamaha 2 stroke? I rebuilt the carbs, and it made me curious as to how the enrichment system operates. The test procedure stated to supply 12 volts for several minutes and measure valve movement. I was...
  3. Q

    Merc 40/4 warm cranking problem

    I did a search and didn't find anything, but: We use a couple of 4 stroke Mercury 40's at work. One of them has become hard to crank after it warms up. It will start just fine cold, idles and runs great at speed, and will run all day long as long as you don't shut it down. After it is run a...
  4. Q

    Key West Internal Fuel Tank Leak

    What model year is the boat. It may very well be covered by warranty. I have noticed a strong odor of fuel when I open the console of my 2002 model, but have noticed no leakage at all. I replaced a bad fuel gauge sensor recently, and found no sign of leakage, but that fuel odor does concern me...
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