Recent content by MrMarty51

  1. M

    Volvo Penta Outdrive SX-A - Stripped threads on oil fill/overflow hole - proper way to repair?

    Get some nickel base anti seize compound and apply that to the threads of anything stainless steel. The nickel base anti seize is made when dissimilar metals are in contact with each other, and, it will prevent the stainless steel threads from galling and busting the bolt or plug and stripping...
  2. M

    Adapter Fittings For New Tilt/Trim Pump, Volvo Penta

    My first posts in here was about a 70 horse Force outboard. 3 cylinder and the center cylinder was scored in real bad and deep. My son and I got the block bored, put it together and that old Maxum boat really rolls now. And so My sons latest boat adventure. I know not one thing about this boat...
  3. M

    mercury vs Force

    I went through similar issues on the rebuild of the 70 horse Force. After looking at parts, over and over and comparing parts, over and over, I finally figured out that many components in the lower unit and gear housing are the same. Do some searches, compare parts numbers between the two and...
  4. M

    1992 Force 70 horse rebuild

    I had posted a couple of questions about this 70 horse Force in the forum. It was advised to scrap this engine, but, not having funds to buy a Merc, Johnson or some other more dependable brand, the rebuild was accomplished. Bored the engine to .040 over, which I too had read was something to...
  5. M

    Carbs leaking fuel 1988 force 125hp

    I have rebuilt a lot of the quadrajet automotive carbs. They all have the styrofoam floats that gets fuel logged. I even have a scale to weigh them with and the GM book gives the weight of the different styles of floats. I used to weigh the floats, order new one and after verifying the new float...
  6. M

    Another piston to cylinder clearance thread

    I have spent the last hour and a half searching threads and posts to try and find what the proper clearance should be between the cylinder walls and the piston. the book does not say a word about what it should be. I did take the spec bore diameter from the book, for both the major and the minor...
  7. M

    Compatible powerheads for Force 70 HP

    Piston from problem hole.
  8. M

    What Is This Cup Affair Called ?

    its the black oval hole the other side of the engine. I think thats called the port side. 🤷 and thank You to SouthKogs for the parts image.
  9. M

    What Is This Cup Affair Called ?

    The steering rod/shaft extends into this oval cup affair and the cup is suppose to keep out water. This one has a hole in it and it leaks a LOT. 😹 if someone could tell Me what it is called then maybe I could find a new one, or a good used one to purchase.
  10. M

    Timing Light No Flash

    Running through the timing procedure on the 70 Horse Force Enjun and the timing light would make a flash every so often then just quit all together. I thought, CDI coils ? I removed the grounding wires I had shoved into the sparking plug wires and inserted the spark plugs and grounded the...
  11. M

    Question on Tillotson TC111A-120 Carb

    This carb is off of the 70 Horse Force engine, I am quite familiar with doing carb work but have never seen a carb that is allowed to take in air from any other source than from inside the throat, or bore of the carb. This one has a brass plug just ahead of the fuel inlet elbow and that brass...
  12. M

    A question on carburetor

    The carburator off the 70 horse Force engine has a very small hole just ahead of the fuel inlet elbow. I have never seen a carb that would draw in air from anywhere except for through the air horn, or throat of the carb. If I can get a pic to load, I drew a circle around that hole. All I could...
  13. M

    Compatible powerheads for Force 70 HP

    i tried doing a search for the information but didnt do much good with that so, I went through about 40 pages of threads and seen nothing there too, on the info I am seeking. new member here, but not new to boats and such, mainly new to the Force powerplants. The model number is 708A92A. Just...
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