Search results

  1. G

    77 Merc 500, Tbolt Ignt, install Kill Switch

    Getting my ducks in a row here ... The Job: Install a Seachoice 11681 Kill Switch to my 1977 Merc 500, 50 HP w/ Thunderbolt Ignition Wiring diagram: http://forums.iboats.com/attachment.php?attachmentid=5626&d=1189457911) The Plan: (disconnect the Battery and run two 14 awg wires to the...
  2. G

    old fuel and older fuel

    A quick question about fuel. When is it "too old"? Old Fuel: I have about 4 gallons of 87 octane that was purchased this spring and treated liberally with SeaFoam, It has been sitting the boat in a plastic fuel cotainer ever since. Should I drain this and do something else with it? My lawn...
  3. G

    Depth Finder - shallow lakes / no fishing

    I own a pontoon boat on a very shallow lake. The lake is at the deepest 15' in places, and is 2' in several channels, but mostly 4-8 ft in depth. For the most part I am pretty familiar with the lake and haven't been to worried about it. This year the lake is down 18" or so and I am more than...
  4. G

    carb, linkage, throttle question (with pic)

    Problem: Motor starts easily, idles nicely, moves into gear ok, dies if any throttle is supplied. Not sure if carb butterflies should open close with manual manipulation of the throttle with motor not running, keys not in ignition. From reading some of the threads here, I get the feeling they...
  5. G

    1977 Mercury 500 EL / 50 HP - now runs, thanks!

    In my original thread, [http://forums.iboats.com/showthread.php?t=188478] I stopped in to ask about a mystery part. With the help of a few posters I was able to identify the part, and eventually replace it. The next issue I found was no water was pumping. Again, with the help of some posters...
  6. G

    Need help identifiying part for 1977 Mercury 500 50 HP

    1977 Mercury 500 EL / 50 HP I have a cracked hose behind the Coils and switchbox that is about 8" long that needs replaced. It runs up from the bottom cowl assembly to the side of the motor casing. The casing/housing is all black expect for this little golden metal insert the width of a dime or...
Top