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  1. Texasmark

    Oil in carb bowls after winter lay-up.

    The oil pumping regardless of gasoline in the line is a problem I had with my engines when I got older and they sat a lot. Getting them started for the then current outing, took awhile for the gas to get to the cylinder (even with pumping the bulb up to firm) but the oil was pumping as long as...
  2. Texasmark

    Mercury oil injection - keep or delete?

    I would change your input from "oil" lines to "petroleum" lines since I have evidence of fuel lines breaking down and filling up fuel filters with little black (rubber) specks.
  3. Texasmark

    Mercury classic 40hp two stroke

    I get decades mixed up since there have been so many in my life but I think it was in the 1968 (?) model year, OMC came out with a 55 HP Evinrude "Triump" 3 cylinder, loop charged engine, with a new streamlined lower unit.....got rid of the protruding LU gearbox. A year or so later...
  4. Texasmark

    suzuki prop vs turning point 4 blade prop; looking for advise

    Sounds like you are on the right track having mentioned your speed preference.
  5. Texasmark

    How To Remove This Prop Help Needed

    Can you examine the end (side) of the propshaft and look for a threaded area. Surely if there is a nut involved, and surely there is, there would be a threaded prop shaft. Once you knew the existence of threads, then you could go about how to grasp the "nut"parts you see so that you can...
  6. Texasmark

    Mercury classic 40hp two stroke

    Well they had to have something to advertise prior to OMC's patent on Loop Charging, running out (opinion). There was definitely something to it as I had superb fuel efficiency with that engine vs a 1972 Johnson 125 (engine rated, cross flow) I bought new, besides super hole shots and great top...
  7. Texasmark

    suzuki prop vs turning point 4 blade prop; looking for advise

    I have been a Turning Point Hustler prop owner for decades. I like all the things they do to an aluminum prop......however having bought a couple of the dual type 4 blade props, I'm not sure I realized what the designers had in mind.....I would think that having 2 different functioning type...
  8. Texasmark

    Drain gas tank to tell where empty is.

    I am of the opinion that tank/meter mfgrs. deliberately set the E on the gauge with some level of fuel in the tank for safety's sake. I think I verified this over the years but have no exact instance nor exact measurement. Besides an "almost" empty tank is unreliable, especially in a boat with...
  9. Texasmark

    Mercury classic 40hp two stroke

    A hole for one thing allowing for Direct Charging the cylinder.
  10. Texasmark

    Mercury classic 40hp two stroke

    Yes sir. I used to have a picture of Roy Rogers driving his 16' moulded plywood Yellow Jacket with the newly minted 60 HP I6. I understand that he was a stockholder in the Yellow Jacket boat works, and maybe/or in Mercury Marine.....had the boat full of Dale Evans (wife) and his kids. I...
  11. Texasmark

    Mercury classic 40hp two stroke

    ......and then they tossed another pair of cylinders on top of that and came out with the Tower of Power......had a 1988 115....one badass engine. It loved for you to push the throttle to the firewall.
  12. Texasmark

    power loss and shaking motor

    It's not unique to you!!!!!!!!!!
  13. Texasmark

    Impeller stuck on drive rod, got hot and melted the impeller a little.

    SWAG.....running without cooling/lubricating water on the impeller blades jammed against the walls of the water pump, my guess is that you ran the engine long enough to melt the plastic (not brass) ring on the impeller to the crank shaft. A brass to steel interface would tolerate a lot of heat...
  14. Texasmark

    Mercury oil injection - keep or delete?

    I had a 90 and 115 HP 2002 engines. I eliminated the oil pump gear on the 90 because I felt like doing it, obviously running pre-max gas afterwards. I didn't feel like it on the 115. One thing I noticed and may have been the reasoning for the initial change is that I'm 84 and don't go boating...
  15. Texasmark

    125 HP fails to rev up

    I'd clean up the threads on all screws with a wire wheel. If you have a set of "Taps and Dies", clean out the holes in the block....carefully. You are screwing into a small diameter cast aluminum threaded hole. Don't get overly enthusiastic. If I were doing that job, I'd put all the screws...
  16. Texasmark

    Non-skid for aluminum floors

    The rubber horse stall mat I bought at Tractor Supply, was about 1" thick and wayyyyyy too heavy for a boat (opinion). If the tape pictured in a reply above has a waterproof glue then that looks a lot better to me. I had a trailer tongue to which I added a walking walking strip alongside the...
  17. Texasmark

    Prop questions

    Really some helpful answers here.....from the guys who know. Couple of things in adding my "2 cents": Slow planing is too much pitch or wrong trim or both. If the engine is tuned correctly, biggest speed reducer is too much hull in the water. My last boat was a 2002 Crestliner 1750 Fish Hawk...
  18. Texasmark

    Need A Metallurgist's Advice

    We worked with a lot of 5052 T6 aluminum sheets when I was in industry. No castings, just sheet goods.....don't know the aluminum material type on castings used.
  19. Texasmark

    Looking for my first ski boat

    So will property owners with water front property. Wonder if any law suits have been issued to "wake boat" owners/operators for tearing up folks boats, piers, docks, and water front bulkheads!!!!!!
  20. Texasmark

    Looking for my first ski boat

    And while you are at it, put a "ported" SS prop on that 115 to get the best of both worlds you mention. I had an original Mercury Laser (they have a Laser II now also) ported SS prop on my first 115, a "tower of power". I got pulled up on slalom just fine and 50 MPH on the other end was not a...
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