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  1. Texasmark

    Short shaft kicker for 20 inch transom

    They make brackets that attach to the transom and can be set to different positions. I don't know how far down they go but they are designed to get your lower unit out of the water when raised. Agreeing with Sea Rider, you need "new water" into a prop's slip stream for the prop to pull...
  2. Texasmark

    15hp Evinrude acceleration issues

    You didn't give us any history upon which to make decisions in an answer. On a bare propshaft, the "thrust" washer, usually tapered (ID) to have an "interference" fit on the prop shaft goes on first, then the prop then a locking device washer, then a locking device, then the nut. If you want...
  3. Texasmark

    New to me Lazer II with 3 square PVS vent holes

    Ask him to clarify his position. My guess is that he is speaking in general but I can't speak for him. Besides, if you are doing something for a reason, why only do 1/3 of the job.
  4. Texasmark

    New to me Lazer II with 3 square PVS vent holes

    I have one of those props. The purpose of the holes is to force exhaust gasses into the "new water" into which the prop rotates, decreasing the density. A less dense input allows the engine to accelerate faster. Since HP is torque and RPM dependent, the faster you get your RPMs up the faster...
  5. Texasmark

    2015 115 Merc on 20' pontoon

    If the top of your RPM band is 6000 which I think it is on 4 strokers, you are getting about all you can get out of the engine. On turning to one side or the other, get behind the engine and look down at the lower section just above the prop. I never saw a 4 stroke lower unit but I suppose...
  6. Texasmark

    1985 Mercury 85hp (4 cyl) runs great for 20 minutes then boggs down

    I had this problem with a 2002 90 HP 2 stroke at 10 years of age running E10 whether that matters or not I now have a 115 of the same year run on gasoline and the Q tip wipe produces zero specks. The problem was in fact a black speck of deterioriated fuel line located in the cavity where the...
  7. Texasmark

    VP DPS-A- running two different pitch propellers?

    Maybe this will help: https://www.volvopenta.com/parts/propellers/duoprop-for-aquamatic-sterndrive/
  8. Texasmark

    Glastron GT-150 Ideal Prop for Slalom Skiing

    Ok 4. More surface area to apply thrust.
  9. Texasmark

    Trust the dealer?

    Jim, its apples and oranges if you are talking about today's 25 and the rude in your avatar. Back when I was a kid, that engine would run a 16' plywood skiff with windshield and side mounted controls, 2 fishermen, 2 ea. 6 gallon tanks of gas, a livewell full of shrimp and tackle, fast enough to...
  10. Texasmark

    1985 Mercury 85hp (4 cyl) runs great for 20 minutes then boggs down

    Yes "senses" 195F and "switches" closed grounding the low side of and blowing the horn.
  11. Texasmark

    1985 Mercury 85hp (4 cyl) runs great for 20 minutes then boggs down

    It will plug into the rear of Item 4, the water jacket cover plate. I don't see a stat, popoff valve, nor OT sensor in your IPB. They would be on the rear of item 24....but I am curious about item 35. That could be your OT sensor.
  12. Texasmark

    1985 Mercury 85hp (4 cyl) runs great for 20 minutes then boggs down

    The suggestion to depress the ignition key should answer the fuel problem...not necessary to do any spraying into the venturis.
  13. Texasmark

    2001 mercury 90 hp two stroke doesn’t seem to advance timing

    Can you set the idle speed in F gear with the boat in motion in the water at 675 +/- 50 RPM with the knurled white plastic knobbed screw on the spark advance lever?
  14. Texasmark

    Glastron GT-150 Ideal Prop for Slalom Skiing

    More like 15 Pitch, 3 blade if anybody is in the boat besides the driver, Just remember, the prop provides the thrust to push the water astern. The HP provides the torque-RPMs to twist the prop shaft. If you can't twist the prop shaft the prop dimensions are ludicrous.
  15. Texasmark

    Glastron GT-150 Ideal Prop for Slalom Skiing

    For the jump, not for all the boats used in the movie!!!!!!!!!
  16. Texasmark

    Transom heights....why are some lower than others?

    Back splash is always a problem with outboards. Deep V hulls need to accommodate engines that aren't offered with 25" midsections. Result is the lower cutout for the engine. Other reason could be for trollers that use a Kicker engine that you want up out of the slip stream when on main boat...
  17. Texasmark

    Rec gas prices???

    Sure glad my dog knows when to stay on the porch with this.................
  18. Texasmark

    Transducer installation query

    Cured rosin or aluminum are solid substances that absorb and retransmit sound waves very well. Wood would probably be a bummer for a couple of reasons. Acid test would be to go some place where you frequent....know that you will be looking for targets in the area...... and hold the ducer...
  19. Texasmark

    Transducer installation query

    Why don't you mount it inside the boat at the transom, near the keel just in front of the disturbance assuming you have clean solid material (no foam, no balsa, solid epoxy glue with bubbles minimized) If you have a dead rise at the transom use a thick layer of epoxy to get a solid triangular...
  20. Texasmark

    1999 mercury 90 HP 2 stroke quit on the water!

    Time for new fuel lines and a new filter you described. Cut it open and tell us what you find in it. Fuel lines both internal and engine to tank need to be replaced if you find tan chips in the filter or black specks. Then follow up with what others mentioned.
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