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Recent content by tperk100

  1. tperk100

    How to Install Fuel Quick Connect on 150

    I would like to install a fuel quick Connect / Disconnect on my 1997 S150 so that I have the option of running from either my on board tank or a "portable" tank. I am not sure what the best way of doing this would be so would like some advice. I had a 150 Merc once upon a time where the...
  2. tperk100

    Fuel Overflowing Fill Tube But Cannot Pump Fuel Out.

    Filled her up yesterday. 50 Gal. Stopped pumping at auto cut off. Today fuel is overflowing out of fill tube. Took cap off. Fuel is all the way to the top. So my first question is why is this happening? Temp yesterday was warm, today is cool. Both days boat was level. So I pumped the fuel out...
  3. tperk100

    Question on Balancing 1997 S150 Carbs

    My gummed carbs are on the bench. After cleaning / rebuilding I understand they should be balanced, best with vacuum gauges. I am not sure if I have the required intake vacuum ports. See pics. Each of the intakes has a "nipple" with a vacuum line attached. The vacuum lines go to whatever the...
  4. tperk100

    Cleaning 150 Carbs w/ Ultrasonic?

    3 Clogged carbs are on workbench. I have rebuild kits. Am wondering if there is any benefit to using ultrasonic cleaner compared to spray can carb cleaner. If so, what solvent should I use in ultrasonic? Any advice will be appreciated.
  5. tperk100

    1997 Yamaha 150 Carb Nuts and Washer Metal Type?

    Need nuts and lock washers to hold carbs on 1997 S150. Dealers want about $3.50 and $3.25 apiece. Since I have some of them, it's very easy for me to match nut and washer sizes. BUT, I think it's important to procure the same metallurgical make up. The ones I have are attracted just a little bit...
  6. tperk100

    What Does Instant Alarm Mean?

    Deleted. This was a senior moment!
  7. tperk100

    Need Fuel Flowmeter Suggestions for S150

    I would like to install in inexpensive fuel flowmeter in my boat for my 150 O/B. I need the meter to show not only real time flow rate but also gallons consumed per trip. Also I do not want to have to connect the meter to full time power. I want it to run only when the engine is running, but I...
  8. tperk100

    Faulty Ignition Switch?

    At ramp, starter would not engage (not even a "click" was heard). However, I could hear the click from the engine when pushing in on the key for the choke or "en-richer" or whatever it's called. I suspected the kill switch because in the past, when tested, it occasionally did not kill the engine...
  9. tperk100

    Engine Corrosion....Can you tell me what this is?

    While doing some routine maintenance I noticed this spot of what looks like salt water corrosion on the engine. I cleaned the corrosion off to get a better look. You can see the remnants of the corrosion in the pictures. As the pictures show there is a small round indentation in the casting...
  10. tperk100

    Odor of Gasoline..Is This "Normal?"

    Every time I put my boat back into my garage after running it, I smell gas for a few days around the engine. A couple of buddies told me this is to be expected with a carburetor outboard. However over the years I have had three other carburetor outboards that did not do this. FYI, I use a...
  11. tperk100

    Cannot Loosen Ring Nut

    I need to remove my propeller shaft, but I cannot get the ring nut to budge. I have beat the %$^@#$%^ out of it with a 5 lb hammer and chisel. This is after letting some penetrating lubricant soak in. Any suggestions on how to get this loose? Thanks
  12. tperk100

    Overheating When Idling

    When idling (trolling) my engine's over heat alarm is frequently sounding. If I put it in neutral and rev it up a bit, the alarm goes off...and I can go back to trolling for another 15 minutes or so. Engine runs just fine at higher RPMs. Any idea of what might be causing this? Thanks
  13. tperk100

    Losing Fuel Prime on Yamaha 1997 150hp

    Previous to owning this 1997 2 stroke Yamaha 150, I owned 4 other 2 strokes. My experience has always been that it was necessary to hand pump the primer bulb until it became so hard/stiff that you could not really pump it up any more. On this engine the bulb never gets "hard." I pump it up...
  14. tperk100

    b97 Oil Warning Indicator is Active

    My Digital Tach for my SW Seri My Digital Tach for my SW Series 150 has three icons for oil status. The one on the right side (green and round) has a constant "warning arrow?" above it. However the oil system appears to be working OK. I ran for about an hour yesterday. Any idea of what's...
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