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  1. Texasmark

    Fuel

    What water sensor and what was the prior performance, and what did the addition entail....what did you disturb in the installation?
  2. Texasmark

    1999 90 hp 3 cylinder 2 stroke mercury no power, sounds fine

    Your magnet that operates the safe switch for oil in the tank came unglued and fell off. You can cut the tank open, reglue it and glue your tank back together (that process was given to me by a person in the repair business so he must know the tricks on what makes it work), or buy a new tank...
  3. Texasmark

    Tilt/Trim 1979 50hp

    Tilt and trim operated from the remote console is made for that engine. The shocks are removed and hydraulic cylinders are added in their place with a hydraulic pump, high pressure lines and a fluid sump. I had an '84ish Merc 850 with just such an arrangement. You might find salvageable parts...
  4. Texasmark

    1996 Donzi medallion 212 low top speed prop suggestion

    Dirty hulls change the game....all bets are off. (opinion)
  5. Texasmark

    3 blade SST vrs High five

    My guess is the High 5 is ventilating, causing the problem referred to as "prop slip" which is exactly what you are telling us you are getting...too many blades for the speed travelled...that's the problem with too many blades. Prop slip is bad operating efficiency for one thing. It's good if...
  6. Texasmark

    Mercury Quicksilver Throttle Control Install Help

    Lets try my guessing but first 2000 engine wiring harness colors. Red power input from battery via engine distribution point Red/Purple stripe or Purple switched (by ignition switch to ON/Start positions0 12v Black ground input from battery via engine block/distribution point Grey tach signal...
  7. Texasmark

    2001 40HP Mercury 2 stroke losing power after a short time

    The hose visit is a valid question. I had a 2002, 90 hp triple 2 stroke that spent it's life on Ethanol. At 10 years of age I was having similar problems. In cleaning out the carbs, I found little black specks like I found by using a cotton swab and swabbing the inside of a fuel line to check...
  8. Texasmark

    LU gear lube

    Yes. The first engine I had with double vents was the 2002 3 cylinder 90 hp 2 stroke. For some reason they felt they had to ensure that all the bubbles were out of the oil....my assumption for their reasoning. On quantity, not much, probably half a tube if you bought it in the...
  9. Texasmark

    2001 Mercury 60hp Bigfoot

    Thank you sir. I was wondering when you were going to add to this for some validity.
  10. Texasmark

    Yamaha VF115 SHO prop quote

    Go to the top of this page and click on parts, props, tutorial. If you want an engineering evaluation, consult the www. 1. Fewer the blades higher the efficiency but higher vibration and a decrease in usable thrust...all else identical. 2. Prop thrust is the blade pushing against the water...
  11. Texasmark

    2001 40HP Mercury 2 stroke losing power after a short time

    Where is your tell tale stream in picture #2. I can't tell if the engine is cutting out in the video or your recorder is picking up interference...sounds rough. Picture #1 just looks like normal draining from several points...I assume the engine wasn't running with the LU out of the water. On...
  12. Texasmark

    2001 Mercury 60hp Bigfoot

    It seems that in 2014 and the dawning of the CT engine, they went to a single OHC and long stroke to get the torque up for hole shot and cruising applications along with the 2.33 gearbox and 13+" prop. So in that regard, they are different than the earler model Big Foot engines....so I read.
  13. Texasmark

    2001 Mercury 60hp Bigfoot

    Well It didn't make sense for Merc to design a special LU just for the 40 thru 60 hp Big Foot. So here are a couple of www sites to backup my 2.33 and the Solas Amita 3 blade, aluminum (to pick one to fit my guessing also), 15P 13+ (13 1/2 actually from iboats no less) pitch. So if these two...
  14. Texasmark

    2001 40HP Mercury 2 stroke losing power after a short time

    First thing I would check is the primer bulb on the fuel line. You need to know if the engine is getting fuel when running. Start out like you described in another trip to the water. While the engine is still running properly and at a reasonable speed...faster the better, reach back and...
  15. Texasmark

    2014 90hp 4s EFI need help setting lower unit into neutral

    You are probably right. F is the least tension position on the cam follower spring in the front end of the prop shaft. After you drop the LU again and set it to N, while the LU shifting linkage is still disconnected, roll the shift shaft on over to R and ensure that you are where you think...
  16. Texasmark

    Pressed in hub - remove or find washers?

    If you have a marine dealer handy, you would be surprised at the pile of props and thrust washers they probably have accumulated over the years.
  17. Texasmark

    2001 Mercury 60hp Bigfoot

    Let's start with a gear ratio. If you don't know an example would be 2:1 used on my current engine. The flywheel makes 2 complete revolutiions for one complete revolution of the prop. Mark a reference, starting point on the flywheel (spark plugs out makes it easier) and on the prop. Start...
  18. Texasmark

    Replacing Transom on aluminum boat...

    How about some pictures.
  19. Texasmark

    What’s it worth

    Ran great when last used means nothing. That boat (Lone Star brand) was probably build in the mid 1950's (back when tail fins on cars were the thing) with a late 1970's-1980's engine. Restoration on the boat is usually transom and deck ( floor), neither expensive tasks $250. probably new...
  20. Texasmark

    Replacing Transom on aluminum boat...

    Define rocking motion and what are you doing when it occurs?
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