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  1. frozenokie

    1986 Merc 115 burns top plugs

    After installing new plugs again, and running at WOT for about 10-15 minutes, the top two plugs run too lean, the middle two are fine, and the lower two are really wet. I can run anywhere from idle to about 3500 rpm all day long. But, as soon as I hammer down, I can hear when the motor leans out...
  2. frozenokie

    Zercom CID40 wiring question

    I just bought this used CID40 for my boat. I am wondering what the yellow wire is to be hooked up to. Is it for NAV lighting or something else?
  3. frozenokie

    1986 115 Merc runs rich

    For those who read the bogg out problem - the new coils/switch boxes fixed and now run 5000rpm. After a week testing the boat, it consistently ran too rich at idle. Here are the conditions: 1. 1 3/4 turn out (vs. 1 1/2) on carbs 2. High fuel consumption 3. Holes in butterfly in carbs -...
  4. frozenokie

    Do I need more cup on my prop?

    I have a 13x19 Mercury brushed SS prop on my 115. It has great hole-shot, but fails to "hold" itself in the water. When I put on the Michigan 21P polished SS prop, which has much more aggressive cup, it holds much better and lifts the nose of the boat correctly, but I don't like the hole-shot. I...
  5. frozenokie

    1986 115 Merc boggs out at wot

    Great out of the hole then after about 10-15 seconds, it "boggs" out like it is leaning out. I checked timing according to the shop manual - it checks out OK. All plugs looks good. Carb kits & fuel pump kit installed a few weeks ago with no signs of malfunction. This thing will start right up...
  6. frozenokie

    Mercury 115 burns way too rich

    1986 Mercury 115 Inline 6 burns way too rich. I put in new carb kits in each carb and used my shop manual to reset the needle valves/floats. Before I did the carb kits, I couldn't even keep it at an idle. Now, it idles for a few seconds until it loads up with too much fuel. Also bogs just a...
  7. frozenokie

    New speedo not registering - what is wrong?

    The speedo reads up until I'm up on plane. It's mounted at the lower edge of the step and not the bottom. I'm pretty sure it's there because the back of the boat corners angle forward from the transom outward and the only place to mount it is where it is now. Is there an adapter plate or spacer...
  8. frozenokie

    Mercury propeller question...

    I have a Mercury prop for my 115HP inline 6 (some of you already know - 86 power head in a 76 skin) and the 19 pitch SS prop (brushed finish round ear, cupped) has a 1/4" hole behind each ear at the leading edge. My guess is to add a little "push" but I can't say I've seen them before. What...
  9. frozenokie

    Confusion on a 1976/1986 Mercury 115 Hybrid

    First - Here's the Mercury I have. A 1976 shell (Lower unit, mid-section, motor mounts, tilt/trim, cowlings) and a fresh rebuilt 1986 power head, electronics, and carbs. What's needed - I have to replace the upper motor mounts on this motor since they are shot. After talking with a certified...
  10. frozenokie

    What jack plate will fit 1976 Mercury 115???

    I'm having trouble finding a jack plate to fit this motor without drilling holes. In addition, I have to find one that will accommodate the clamp devices on the top curl of the engine mount. :mad: Does anyone know of one that will match right up?
  11. frozenokie

    Which way to fix prop ventilation???

    I went on my maiden voyage after all this rebuilding. I was disappointed to find that by using the existing mounting holes for the motor, that the prop gets to much ventilation. I checked the relevance of the cavitation plate to the bottom of the transom and the plate is only about 1/2" above...
  12. frozenokie

    What size fuse for tilt/trim curcuit - or does it need one?

    I need to fuse my new tilt/trim wiring harness. The old pump developed a short inside the pump and destroyed my harness. I was lucky to be standing right there when it happened or I would have been calling the fire department. I am raising/lowering a 115hp Mercury inline 6 with the mid 70's...
  13. frozenokie

    Laser bass boat finally ready for maiden voyage

    Well, here ya go guys. The finished Laser. All I have left to do is the trailer bunk carpets and trailer paint. Let's not forget that I still need to break in the motor... that's this weekend! Once I get more sun and time, I'll snap more detailed photos. Sorry Tash, this is the smallest size...
  14. frozenokie

    Question for a Mercury OB guru and AutoBlend Mixers

    Tashasdaddy has warned me of using the 9V autoblend mixing system for my 1986 115 HP OB. He said eventually, they will not mix the correct amount of oil to gas and burn up the motor. He mentioned to either unhook it and premix or go to the newer setup of automixers. He wasn't sure what the newer...
  15. frozenokie

    Hey, Tashasdaddy -------

    Hey tash, I sent you a message. Go to the User Control panel and look in your Inbox.
  16. frozenokie

    Cap is back onto hull <1979 Laser Bass Boat>

    Well, I didn't mess with photos this time as I was too busy during and too whipped after the work this past weekend. I got the cap fastened back to the hull. The aluminum and vinyl rubrail are installed. New carpet was placed on the new floor deck and the new front deck compartment floor also...
  17. frozenokie

    Will jack plate work w/my engine?

    Hello all. I have a 1976 115HP Mercury OB inline 6 that has the over-the-transom clamps. The jack plate is the 10" face to face manual adjust type solid two piece (1 front piece and 1 back piece). I question whether the clamp style mounting of the engine mount wil be a problem or not?
  18. frozenokie

    Floor and Aft decks complete

    Well, my back survived another weekend of floor work. I am now ready for carpet which, on this boat, has to be put on before the cap. The glass isn't pretty, but I smoothed it out with a grinder and glassed back over the rough spots again. I also got the rubrail trim attached with about 100 3/16...
  19. frozenokie

    Adding a automix premix system question

    I am adding a Quicksiler AutoBlend premixer to my bass boat. I have an '86 Merc 115HP Inline six. I know that it came from a boat using a 40HP Merc which is also 50:1. Would I be making a mistake expecting the correct gas flow for my 115HP?
  20. frozenokie

    Top speed on Laser bass boat????????

    First - I own a '79 18 ft Laser Bass Boat powered by a fresh (not broke in yet) '86 115HP Mercury (bored .030 over) with a Michigan SS speed prop. What top speed should it run with this set up? The guy I bought it from said it was a Laser of Grapevine???? I haven't been able to find any...
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