Search results

  1. 2

    For all those doing a Link/Sync with pull start motors...

    So, I've done countless research and doing a proper link/sync always comes down to two things...having your motor mounted to a boat, strapped to a dock or to the back of a trailer scaring the poop out of you while you try to set WOT timing, Or, performing the WOT setting Joe Reeves style at...
  2. 2

    1983 Mercury 18 Hp Bleed System, no check valves?

    Re: 1983 Mercury 18 Hp Bleed System, no check valves? Checkvalves: I'm a believer. If your motor does not have check valves installed. Get them. Well, get them if you want a more stable idle at least! I have completed my engine rebuild and kept it in 95% factory condition. I say, 95...
  3. 2

    1983 Mercury 18Hp trigger assy link rod installation...

    Before I get too far ahead of myself, I want to determine the PROPER way to install the link rod on the trigger assy. The pictures below are the way it came apart. I want to make sure this is how it is SUPPOSED to be, and not that the link rod is actually supposed to come up through the slot...
  4. 2

    1983 Mercury 18hp Crank Oil Seal Direction

    Ok, google and iboat.com searches have give a lot of conflicting information. I don't entirely trust the paper manual I have since it isn't manufacturer. Crankshaft oil seals. Both Face down? Both face in at each other? Which way should they go?! Logic would say face in at each other...
  5. 2

    1983 Mercury 18 Hp Bleed System, no check valves?

    Re: 1983 Mercury 18 Hp Bleed System, no check valves? Here's a pic that will make it a little clearer as to what's going on with the actual motor... So, I guess what it comes down to is...should I be looking for some sort of small inline check valve to put on here to help the idle?
  6. 2

    1983 Mercury 18 Hp Bleed System, no check valves?

    I have been under the impression that all 2 cycle outboards have check valves as part of their bleed system. During rebuild, this engine doesn't appear to have any...just a hollow fitting on the cylinder, and another on the carburetor adapter plate. Am I the one missing something, or is the...
  7. 2

    Rebuild Speculation! 1983 18Hp Mercury carb clogged at WOT

    Re: Rebuild Speculation! 1983 18Hp Mercury carb clogged at WOT The first two pictures are of the damaged cylinder, each side...the second two pictures are of the non-damaged cylinder, each side...
  8. 2

    Rebuild Speculation! 1983 18Hp Mercury carb clogged at WOT

    Re: Rebuild Speculation! 1983 18Hp Mercury carb clogged at WOT Well, got the motor torn down. Damage is pretty nasty, but could tell that just by looking through the exhaust ports. Here are some more pictures, I am a little confused regarding how this failure occurred, ALL the damage is to...
  9. 2

    Rebuild Speculation! 1983 18Hp Mercury carb clogged at WOT

    Well, the story I was told is that this motor was out about 1/2 mile from start point running WOT when it slowed and died. Since that moment the motor was hard to pull through. The carb tear down revealed a piece of debris made it past the filters and clogged the main jet. Tore down the...
  10. 2

    1983 Mercury 25 Hp conversion

    Well, I tried doing this all on my own. I did lots of research and from what I can tell, this might work. I have a 1983 Mercury 18Hp which I plan on converting to a 25Hp. I reviewed every parts list for the two models of the same year and it seems that the only difference is the carburetor...
Top