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  1. Texasmark

    Mercury 2.5HP Outboard Not Moving Boat?

    Is water moving out from behind the engine when you apply throttle? No, then prop isn't being driven as suggested above or engine isn't shifting into F gear like you are telling it. Yes, 15" lower unit on a 20" transom would be a problem. Need new water in front of the prop to get propulsion...
  2. Texasmark

    Back for More! Looking into a bigger boat for big water - Deck or other

    My family grew up with larger boats too. Got to the point where it was too large on land and too small on the water. Finally quit searching for the ultimate solution to both conditions.
  3. Texasmark

    Engine height

    Well sir, that depends on the boat and what's in it. I had an 18' alum. bass boat with a 90 Merc. and SS Ballistic 24P prop., 1 hole up off the transom. The picture in my Avatar is that boat kissing 50 with just me. My fastest hole shot was with the engine at 90* to the hull. Hole shot was...
  4. Texasmark

    More Speed - for fun.

    With all that said, correct trim position IS definitely a BIG part of how a prop (any prop) performs on your boat!!!!! There is a correct position for your hole shot with your water toys, and a totally different position for you wanting to get max speed out of your rig......regardless of the...
  5. Texasmark

    More Speed - for fun.

    "but won't gain any serious amount of speed." SAY WHAT???????
  6. Texasmark

    What is that clanking sound

    Prop nut tight?
  7. Texasmark

    Play on propeller shaft

    The F gear in the lower unit has an "overrun clutch" built in whereby in F gear, the engine can turn slower than normal vs the prop rotation for times when you throttle down the engine and you are up to speed. Without it, you chop the RPMs, the prop follows the engine and you have this "brake"...
  8. Texasmark

    83' 115hp Mercury, prop slip

    The one in the Avatar? If it had wings it would be totally airborne as it is....grin.
  9. Texasmark

    Mercury 90HP 4 Stroke 2003 Impeller Change

    If 4's are like 2's the drive shaft comes up out of the LU and is oiled by the oil in the LU. On the bottom of the water pump lower casting is a pair (usually) of seals facing each other...one keeps the lower unit oil in the lower unit and the other keeps ambient water out of the LU oil. The...
  10. Texasmark

    1980s Mercury 2 stroke 35 hp thermostat / not peeing

    1. Following the tube from the outlet to its source, what is it connected to? 2. If the empty housing you say you found may be where a stat is mounted on some engines of that class, take the cover off and crank the engine with the lower unit in water about 6 inches above the AV plate for a...
  11. Texasmark

    83' 115hp Mercury, prop slip

    I did replace that water jacket cover gasket later on...never knew why......didn't have a thermostat as I recall and no instruments to indicate crankcase water temp.......but I had a helluva lotta fun!!!!!!
  12. Texasmark

    83' 115hp Mercury, prop slip

    Totally agree with that. The OEM lower unit was a JOKE!!!
  13. Texasmark

    17 vs 19 vs 21 Pitch?

    "And electric car power consumption.-----" Interesting nobody ever mentions what it took to get the battery charged, or built and its weight!
  14. Texasmark

    2001 9.9 2-stroke - water in gear oil

    Well I suggested that......got no reply!!!!!!!! Last time I was buying some, they were blue, OEM, and were said to be better quality than original OEM seals. Never had one leak, just changed them anytime I drained the crankcase and refilled with new oil.
  15. Texasmark

    1979 Mercury 80 HP

    I have a pedigree in modifying tools to get the job done...grinding off outer diameters of boxed end wrenches, taking an Acetylene torch and getting the handle on a wrench cherry red, with part of it in a bench vise and a pair of pliers or hammer to "tweak the necessary change in shape" is just...
  16. Texasmark

    2001 9.9 2-stroke - water in gear oil

    I agree on the pressure test and a tub of water. I am the sort of person that doesn't fix it it it isn't broken (known to be broken...obviously broken). Going through the cost and trouble of ripping everything apart and hoping you get it all back together just to be doing it....probably...
  17. Texasmark

    2001 9.9 2-stroke - water in gear oil

    What's the condition of your drain and vent screw gaskets. That's the easiest to fix and easiest to see in your pressurization and submerge testing. On Chris' comments, you don't need to remove the rear bearing carrier nut to address either of those comments. Other thing is the other place...
  18. Texasmark

    Can I put a 28 hp Johnson on my 14' Aluminum Sea King?

    "Also, does it make a difference that I'll be sitting up front and not at the back as would be the case with a tiller setup?" Of course. Thousands of posts and conversations about tiller driven boats where the owner asks about the load in the aft section only to get replies of "move xxxx...
  19. Texasmark

    Topped off battery with Distilled water....Why not with battery acid???? Opinions???

    I have about 15 batteries to keep tabs on and I thought the right answer was to keep all on trickle chargers constantly as long as they weren't in operation. Result.......you guessed it...even though the max current was only 1 amp, over time it boiled the water out, even with the newer...
  20. Texasmark

    Can I put a 28 hp Johnson on my 14' Aluminum Sea King?

    I had a 14' Mirrocraft like these but with console steering from the rear seat and a 30 HP Merc Mark 30 pushing it. Ran out real nice and that hull was smooth riding on 10-20k acre lakes. Fishing buddy had a 14' Alumacraft with the same type of steering setup and a 33 HP Johnson. Ran out real...
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