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  1. Texasmark

    Boat opinions

    Walking, looking, and asking owner's questions.....right on!
  2. Texasmark

    1992 Mercury 100 HP 2 Stroke Starving?

    Another thing that surely should be considered is the fuel filter getting clogged with old hose bits and pieces. With the higher speeds requiring a higher fuel consumption rate, a partially blocked fuel filter could be your problem. I don't know if your engine has a fuel filter or not....my 90...
  3. Texasmark

    NEED PROP ADVICE: '78 Johnson115 2stroke/ '82 Ranger 330V

    My Merc. manual said to expect problems if compression is less than 120 PSI. Looks like you fail the test.
  4. Texasmark

    1971 Tri-Sonic Riviera (any other ones out there)?

    I "lusted in my heart" (Jimmy Carter) for one of those "Trihedral Hull" babies back in the early 1970's but raising 4 kids came first. We had our water fun but didn't have the rough water capabilities that hull had.
  5. Texasmark

    Making a 16' Aluminum fish boat TOO LIGHT.

    Try a Crestliner......their hull is a game changer......was for me!
  6. Texasmark

    Mercury Oil Injection

    Foot note: I made a note adjacent to the fuel filler to add oil to the gas for premix.
  7. Texasmark

    Mercury Oil Injection

    I just pulled out that drive shaft of which you refer and did nothing else. Since the pumping device in the pump was pretty well sealed to ensure the correct oil flow during normal operation, apparently if any oil leaked by it wasn't much. Left what oil was in the tank when I made the change...
  8. Texasmark

    2002 Mercury 115 ELPTO 2 Stroke electrical output

    When I bought my first new boat it only had one battery. I wanted and added a trolling motor. One day while fishing I drained the battery to the point where it wouldn't roll the 85 HP Chrysler triple. In the underside of the canopy/hood whatever, was a plastic pouch with a cranking rope. I...
  9. Texasmark

    2002 Mercury 115 ELPTO 2 Stroke electrical output

    I say red because that's how the service manual addresses the different amperages of generating devices....by color.
  10. Texasmark

    2002 Mercury 115 ELPTO 2 Stroke electrical output

    If the stator is red its 16 ampere rated and that is at max RPM. That is the max rating and I don't remember the output voltage when it supplies that current. Max voltage is regulated at 14.5V max under certain amperage conditions....like topping off a near fully charged battery with trickle...
  11. Texasmark

    Looking for my first boat and dwelling too much on the I/O vs Outboard question...

    I fished once with a friend with a 50's era LS cabin (shell). It was a 20' with a 70 HP Merc I6 outboard, which moved it right along, just right for that boat and its use. You're getting on down the line on aluminum hulls and age. I would think that you will be inundated with leaking rivets...
  12. Texasmark

    Looking for my first boat and dwelling too much on the I/O vs Outboard question...

    I've had both brands and liked both. The hulls are basically sound. Only probem is the deck (floor) and the transom wood. The Crestliner transom is highly reinforced aluminum framing, and I found that mild water absorption in the 2002 I bought was not a safety hazard. It had a soft spot near...
  13. Texasmark

    Nosing down

    The Hook would be your problem. Get a "yardstick" or suitable 3' or so straight edge and get under the boat with one end of the stick at the rear edge of the transom and the other parallel to the keel pointed forward. The Hook will easily show up as a gap like in the Hook picture. If that...
  14. Texasmark

    Slip/moored boat what do you do with your trailer?

    Take it back home or pay the marina for the convenience!
  15. Texasmark

    How much slip does your prop have ?

    Like other props from other suppliers, like a couple of Mercury Laser (I and II) the ports are there to allow air (engine exhaust) bubbles to flow across the blades reducing the density of the medium allowing the engine to rev. faster like would happen with a shallow pitched prop. Once up and...
  16. Texasmark

    How much slip does your prop have ?

    I think blade numbers and diameter would be a constant for a comparison...in short, you have a rig that has a certain engine that uses a certain range of diameters......small range and diameter change is a function of the prop design....the more "Rake" on the blades, the smaller (slightly) the...
  17. Texasmark

    How much slip does your prop have ?

    I had both the Mercury 2 stroke 90 HP (I3) and 115 HP...both the I6 and the I4 versions manufactured later with loop charging. They share the same mid section and lower unit. The gear ratio on the 90 is 2.33:1 while the 115 is 2.0:1. Remembering a Merc. sales brochure back in the 1990's when...
  18. Texasmark

    Mercury 75hp on aluminum 16’ Starcraft

    Charts exist showing the HP penalty as a function of altitude. 5k' is getting on up there and you may have half as much HP as you (and most of us) would have/do have at sea level. I'd say you would be looking at a significant reduction in pitch for desired performance. Prop shops will loan...
  19. Texasmark

    How much slip does your prop have ?

    I use Go-Fast.com slip calculator. It has a zero slip column and then using the inputs to the chart, with your actual speed vs zero slip speed, you get your % of slip. Big heavy loads slip a lot as do cruising speeds where a lot of the boat is in the water. Easy planing boats with the right...
  20. Texasmark

    1986 2 stroke 3 cyl major issue

    I used to run my tower of power high in the water with the prop partially out of the water as I could hear the blades beating the water making a humming noise.....as you mentioned I too developed a leak in the water jacket cover and never thought about it was due to running like I was. Live and...
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