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  1. demarko210

    03 150 xl efi 2-stroke 2.5L (0T409000 THRU 0T800999)

    While looking my engine over I notice that I have 2 sensors. One has a water tube connecting to the bottom of the engine with a T-fitting. The other half of the T-fitting goes out of the engine through the rigging tube and is plugged. This I assume goes to the helm to give the water pressure...
  2. demarko210

    03 150 xl sw efi 2stroke (0T409000 THRU 0T800999)

    Last year I ran it on muffs and the impeller burned up as it needed changing and just I had just purchase the boat. I did all the fixes new pump kit with housing and pressure test lower unit and also installed new thermostats (143 degree). Yesterday I tried to run my engine on muffs to test my...
  3. demarko210

    Back up camera on trailer

    I was looking at purchasing a backup camera system for my truck and trailer. Either a wireless kit with 2 cameras or a wired kit with 2 cameras. Any one have a camera mounted to their trailer? Something like this I would either mount on the transom of the boat or the on the trailer. These things...
  4. demarko210

    Starbrite waterproofing spray

    I purchase Starbrite Waterproofing Spray the other day for my worn out my bimini top. I was skeptical that it would work because how worn and thin the canvas has become. I sprayed it on after washing my boat. Came back the next day when it rain and was surprised that inside top of the canvas was...
  5. demarko210

    Removing old water lines

    What would be the best way to remove these old lines of the hull? Wet sand, degreaser... Thanks
  6. demarko210

    Raw water pump and tubing

    I purchased a new seaflow 33 water pump for my raw water. The barb connection is 3/4 inch and the tubing i purchase is 3/4 inch ID. WHen i attach the barb to the tubing it slide in and out without adding the clamps to it. My question is, is the correct size tubing for the barb or am I going...
  7. demarko210

    Flickering cabin light when turning on item from switch panel.

    I am installing my switch panel that I removed over the winter to replace some switches and breakers. What I notice as I was connecting items one by one and powering them on with the cabin light switched (also a item on the switch panel) to the on position is a flickering every time I turn on a...
  8. demarko210

    03 150 Saltwater EFI thermostat housing

    Captains, Ok while changing out the port side thermostats i was trying to get my cover back on. What is happening is when i place the cover over the thermostat on the port side the left side screw seems to not want to thread into the hole. When i remove the cover and thread the bolt into the...
  9. demarko210

    2003 150 saltwalter water pump tube

    When i pull the lower unit in the fall I replace the water pump as it broke up while running in on muffs. I have since replaced thermos, water pump, seals in the lower and vacuum and pressure tested it. Now I want to reinstall it. I have attached a image of the water tube inside the mid section...
  10. demarko210

    Lower unit 03 150 saltwater lower unit

    It seems my prop shaft seals are leaking. I did a pressure test and bubbled up right away. I pulled the seals the hack way and saw that the seals were in wrong. The metal seal was in first and the rubber seal was in second and they were lined up front to back. The metal seal that was in first...
  11. demarko210

    Reseal cabin door frame

    I have small leak coming from the top of my cabin door. In the summer when it rains this causes my cuddy to get moist and steamy and prone to mold and mildew. I wanted to ask if it was ok to use self-adhesive weather stripping to place around the door instead of caulking with 3m 4200uv. The leak...
  12. demarko210

    Multifunctional Gauges

    I have a 03 Sea Fox I was thinking about purchasing a Multifunctional Gauge such as this to reduce items in my dash panel. I would like to install my chart plotter within the dash panel. Any recommendation on a good multifunctional gauge that will work with a 03 150 merc EFI 2 stroke?
  13. demarko210

    Item on the bow near windlass

    Can someone tell me what this item is on the bow? I think it has something to do with the anchor rope. Thanks!
  14. demarko210

    Transom Thru hull

    I have 2 thru hulls one at the bottom of the transom no sea **** and the other at the bottom with a sea ****. I am replacing the one on the bottom because the handle broke off. I was wondering should i sea **** the one on the transom as well or is a simple stainless thru hull fitting is enough...
  15. demarko210

    Live-well pump

    First boat with a live-well, my previous boat did not have one. I wanted to ask when you have fish in the well, is pump constantly pumping fresh water in the well? If so would this drain the batteries if on too long or it does not drain that much current?
  16. demarko210

    2003 150 xl saltwater EFI 2 stroke

    I want to change my water separator, fuel filter, and primer bulb adding a shut off valve on the line before the bulb. I am reading the manual and it states the following: on fuel injected engines always relieve system pressure prior to disconnecting any fuel system component, fitting or fuel...
  17. demarko210

    Buying used Merc on E*bay

    Just wanted to ask everyone's opinion on this. It seems they have a huge selection on motors here, but you never know what you are going to get. I prefer to shop online because of the selection instead of riding and burning gas going from marina to marina. Wondering everyone's recommendation...
  18. demarko210

    Looking to repower 1976 Grady White

    So i am looking to put a newer motor on here after I get the cap and transom wrapped up (see my build in my signature). I previously had an inline 6 115 on here with the switch boxes. I still have the motor but I would like something more modern and more power if possible. The boat tags says no...
  19. demarko210

    Scarfing stringers

    I have been reading about doing different types of joints. Scarf joint has been the popular way of attaching new stringer wood to old. Everything that I am reading about doing joint on my stringers say when placing the joints together glue them with epoxy. My question is can I use thicken ploy...
  20. demarko210

    1976 Grady White Transom Rebuild

    I have started the removal of my engine this month. With the nice weather we are having I may start to make my of the rear of my cap. I would like to get advice from those that have experience doing this work. I have been planning this for about 2 years now. I have attached pictures please...
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