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  1. Thirsty Endgrain

    Adding trim tabs, positioning, transducer placement, etc.

    Appreciate everyone's input, experience, and advice. Here's what I ended up with. Had to modify smart tab mounting brackets, trimming around my odd transom a little. Made a starboard mount for the transducer in case I need to move this way or that. Xducer is 3.5" or so from tab, and about 6"-7"...
  2. Thirsty Endgrain

    Adding trim tabs, positioning, transducer placement, etc.

    Doh! Nevermind, it would cover my drain plug 🤦‍♂️
  3. Thirsty Endgrain

    Adding trim tabs, positioning, transducer placement, etc.

    The xducer is a Garmin GT54UHD-TM. It does have sidescan capability so I don't think gluing it to the inside of the hull is an option for me. The requirement off of centerline that I'm referencing is the suggested 15" from the side of the prop to reduce cavitation. Mine is currently 10". I do...
  4. Thirsty Endgrain

    Adding trim tabs, positioning, transducer placement, etc.

    I was going to add a hydrofoil, the SE sport 300 to help with lifting the heavy rear of my boat and planing better, but I decided on trim tabs instead, which seem like a better all around choice with better stability. Im trying to figure out how to locate everything. I don't have a super wide...
  5. Thirsty Endgrain

    Prop help, 90hp Merc

    Well I ordered a Turning Point 13.5" x 15" 4 blade. Hoping that gets me into the sweet spot. If the rpms are good I may exchange it for an SS, but if it runs well enough I'll probably just ride it for a while. Also got a hydrofoil. My engine is heavy for the back of my 17.5' glasspar, so hoping...
  6. Thirsty Endgrain

    2001 90HP ELPT carbs leaking

    I have the same engine. I just went through the carbs completely, twice. That particular issue happening twice and the marina telling you to get a new engine (as if we all have a spare 12k laying around) seems suspect at best. My sense in my short ownership of this engine is that there are not...
  7. Thirsty Endgrain

    Prop help, 90hp Merc

    Good to know about all of that. The grey fuel lines I've been wondering if I should replace since they're likely 20 years old now. May do the pump rebuild for the same reason. The engine mounted fuel filter looks pretty good, though I've been meaning to change it. I have a 10 micron fuel...
  8. Thirsty Endgrain

    Got my first boat !!

    Sweet boat! How familiar are you with troubleshooting 12v systems? A little 12v test light and a multimeter will go a long way. Sounds to me like maybe the switch is dead on one leg, maybe just corroded contacts inside of it. Flip it on and off a bunch and it could come back to life. Is there...
  9. Thirsty Endgrain

    Prop help, 90hp Merc

    The seller of that prop is allowing me to test it out. A couple days ago I had it out for a full day of fishing. RPM's were in the 4800 range at WOT. Still under the minimum range for this engine. I am wondering if there's an underlying problem. Fuel pump? Can they be tested or not fully deliver...
  10. Thirsty Endgrain

    Centering boat on trailer (solo) without trailer guides? or DIY guide advice

    It's all boat and trailer specific, but I just recently added guides to my trailer. I was gonna make them too but by the time I fab everything up and source bolts blah blah it made so much more sense to pay like $100 for ones already made. Yes you may have to use your own bolts with some flat...
  11. Thirsty Endgrain

    Prop help, 90hp Merc

    Leak down showed ~ 10% across all 4 cylinders. Would there still be a reason to do a comp test?
  12. Thirsty Endgrain

    Prop help, 90hp Merc

    Not sure the comparison would work here, but I don't have enough experience to know that. Yours will have more torque than mine. Also I don't know what you mean by the 3.3 gearbox, is that the gear ratio? Mine I believe is 2.33:1 if that's what you're referencing. Also I'm in a deep vee cuddy...
  13. Thirsty Endgrain

    Prop help, 90hp Merc

    Hi all, I've never yet had to deal in prop choice until now. Done a bunch of research, and just got my new to me engine out for a test last night. 2002 90hp carb'd Merc 4 stroke. Pushing a '64 17.5' Glasspar Seafair Sedan. Currently has a 13" x 19"P alum. prop. Couldn't get over about 4400...
  14. Thirsty Endgrain

    2014 Mercury 60 hp 4 stroke EFI alarm

    It's best to start your own thread with your exact symptoms rather than exhume an old one. See my recent experience, maybe it'll help. Different engine, but could bear similarities. https://forums.iboats.com/threads/2002-carbd-4-stroke-constant-alarm-please-advise.758515/
  15. Thirsty Endgrain

    2002 90hp ELPT4 - Add water temp and oil pressure gauges.

    Well, I'd still love to know if anyone has done this. I don't think I'll be going with oil pressure, at least not for now. I did get a water temp gauge that I'd like to hook up. Does anyone know where I can add a separate sender for water temp? I got a little oil pressure warning light that I...
  16. Thirsty Endgrain

    2010 Mercury 50 EFI .. is this normal?

    Your engine has an overheat alarm, and a low oil pressure sensor. You'll know if it's overheating. I'm installing a temp gauge on my '02 90hp 4 stroke merc, though I have yet to figure out where I can install the temp probe. I too would like to be able to monitor temperature. If it hasn't been...
  17. Thirsty Endgrain

    Adding another rectifier

    How?
  18. Thirsty Endgrain

    Adding another rectifier

    If your battery hits 10.5v, as stated, it's pretty much time for a new battery. Or it needs some serious attention to eek some more life out of it. If it's a lead acid battery it takes maintenance! Fully charge the battery, as much as it will accept. Then let it rest for 24 hrs. Check the...
  19. Thirsty Endgrain

    2002 carb'd 4 stroke - constant alarm. Please advise.

    just installed the new good used CDI, no more alarm! I also got the factory service manual and it is full of incredibly useful information and troubleshooting steps with every diagram you can imagine, and tests for all sensors including what steps to perform the tests in to narrow down a...
  20. Thirsty Endgrain

    1985 50HP 4-cylinder power loss

    I have my motor cables run through a battery switch close to the controls. A very quick operation to shut off all power if necessary. Food for thought.
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