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  1. R

    Strange fuel issue, priming Bulb was crunchy

    First trip in a long time to the lake week before last. Stayed there for a few days. My 1995 115 merc (oil injected) was having issues going above 3300 RPM. On the last day after I checked coils, it was ok up to 4000rpm. above those RPMs It was sounding very rough kind of a knocking-ish sound...
  2. R

    1995 115 fuel siphoning backwards when engine is off.

    So i'm going to go through my fuel system and plan to rebuild the accelerator pump, and the main fuel pump. I believe my fuel pressure is on the low side, just because the way the engine is performing. A few weeks ago i changed my in line spin-on fuel filter that is 2 feet before the engine...
  3. R

    New coils resistance is futile (too low)

    I bought a new Sierra 18-5186 Ignition Coil, and i checked the resistance between the spark-plug and the terminal (pos and neg) and it is out of specs at 240ohms. (the book says 900 to 1100 ohms)... So i ordered another coil Sierra 18-5186 coil and same thing 253 ohms. So i'm wondering are...
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    What's the low down on the throttle linkage? 1995 115

    There's a lot going on in the throttle linkage. Looks like 2 control arms. 1 for timing advance and 1 for carbs. I see what looks to be 3 stop screws and 1 idle screw. It also has the cable adjustment. It's a lot going on. Is adjusting all this linkage a possible DIY project? I want to make...
  5. R

    Oil injection OR prefix... 1995 115

    Oops, premix not prefix, no title ediiting. My concern is most things eventually fail and (my new to me) 17' center console is 25 years old. I understand that the drive gear for the pump is plastic. The Motor is strong with 130 psi at all 4 cylinders and I'd like to keep it that way. So my...
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    Mercury 115 2 stroke mod from 2+2 ... to...4

    I want all the carbs to work all the time. I'm not sure this is possible so i need some help sorting this out. I really like my 1995 17' CapeHorn but just found out why my 1995 mercury 115 wont run between 1800 RPM and 2300 and it's because it only runs on 2 cylinders below 1800 RPM then the...
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