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  1. Texasmark

    Sychonizing the Carbs on '96 Mariner 90hp OB

    While you are diddling with that linkage, have a close look at the black, plastic do-dads that connect the throttle rods together. I have found them wallowed out and or cracked such that the link and sync setup can't be achieved. The rest of the link and sync setup is outlined in the service...
  2. Texasmark

    Mercury Spanner wrench for tilt and trim

    I have a farm and lots of antique tractors and implements.....rust is in a lot of places. I use an Impact wrench on hard to get off/out nuts and bolts. A cheap version of that tool is your spanner wrench and a hammer to whack (impact) the stubborn fastener. Impact and penetrating oil get the...
  3. Texasmark

    Unknown toggle switch

    I had that too with a Mercury Commander 2000 control box...the one that mounts ON the bulkhead. My Crestliner has the 3000 model which mounts IN the bulkhead and the ignition switch mounts on the dash board. That switch does not have the detent function for choking.
  4. Texasmark

    Unknown toggle switch

    Toggle next to ignition to me means choke or fuel enrichment activation. I have a push button adjacent to mine on a Crestliner that activates the enrichment valve for extra fuel during first starting procedures in particular. Go to your device and check the wires color codes. One will go to...
  5. Texasmark

    Tin boat prices

    Since reading this post I Craiglist'd across the country and there are good deals out there. You just have to seek them out and go through the trouble to go the distance and make the deal.......good hunting.
  6. Texasmark

    Prop pitch for 150xp crossflow on pontoon

    Well obviously that's not a run of the mill common toon so all bets are off! Looks more like "boys and their toys".
  7. Texasmark

    Prop pitch for 150xp crossflow on pontoon

    Really! Boy am I in the dark on toons.
  8. Texasmark

    Merc 75 4 cylinders, 2 carbs

    Interesting comment! I often wondered what folks did when they ran out of "slick" Sears Roebuck catalog sheets...........
  9. Texasmark

    Prop pitch for 150xp crossflow on pontoon

    I have no toon experience but isn't a 150 a bit much for a toon even if its 24' long? I'm guessing 150 would be workable on a tri-toon, but a toon? Never heard of nor ran across that much hp on a toon.
  10. Texasmark

    Enrichner valve

    I was looking at mine yesterday on a 2002 115. Resistance was 5 ohms and the battery charger measured a couple of amps or so....way down on the ammeter so reading wasn't all that accurate but it told me that the coil was working. Also I was figuring out the button on top of the unit. After...
  11. Texasmark

    Merc 75 4 cylinders, 2 carbs

    I had the mid 1970's I think, 4 cylinder 85.....the decal was blue, silver and red and pointed down on the tail end....Mercury had a lower case "m" (which I thought was very in-appropriate...a proper noun with a lower case first letter). Another of my fine Mercury engines. At the ramp it...
  12. Texasmark

    Mercury 90 Loss of power above 4200 RPM

    Well your stiff bulb proves that fuel isn't the issue. Those floats look horrible. Get them back to new and shiny and you will be amazed at the difference in top end!
  13. Texasmark

    Can my old boat handle the power

    Just a side note: On a rotted floor (deck), hull, I had a BIL set me up with a fishing guide on a trip to Florida where he lived. The boat was about 20' long, open skiff type hull, wood, flat bottom with a 90 Johnson. As we headed out to open water and waves started to occur, the bottom of...
  14. Texasmark

    Mercury 90 Loss of power above 4200 RPM

    Nobody hit on this so I will toss in a bit. Fuel starvation would be my first guess so I would feel the bulb which should be soft, and then squeeze it several times to see if the RPMs increase which would indicate lacking adequate fuel supply to engine to run to higher RPMs. Next, what are the...
  15. Texasmark

    Is a Tiny Tach a good choice for testing?

    Not complicated. Put the reflective strip on the rotating part, run it, point the laser at the strip and press the button. Done deal.
  16. Texasmark

    Is a Tiny Tach a good choice for testing?

    I have one of those and got it off the internet for a very reasonable price...forget the number. It has silver strips that you put on whatever you want to test.....I've used a white paint marker to make a line when I ran out of strips. You turn on the tach, get the test item running, point...
  17. Texasmark

    Water pressure gauge or water temperature gauge?

    Does it have a popoff valve in addition to the tstat for engine coolant regulation? Popoff valves (of which I am familiar) are much larger than stats and are designed to open up at higher water pressures present with increased RPMs and allow additional cooling (without the stat's involvement)...
  18. Texasmark

    Toon leak

    Responders on here have said that an xyz toon's chambers are sectioned in answering another one's question....which makes a lot of sense to me. However, is yours or not, no idea. I would think that if you are going to chamber a toon, there should be some sort of disruption to the outside of...
  19. Texasmark

    Water pressure gauge or water temperature gauge?

    Well Chris, I am 82 now and my boating experiences are an hour or so every 3 months thereabouts on a local 15k acre local lake. I've had problems with stats and popoffs, my only cooling system problems, and I doubt pressure gauges would have helped.
  20. Texasmark

    Water pressure gauge or water temperature gauge?

    I agree that pressure is a faster responder but I wanted to know the t stat and popoff valve were working so I opted for the temp gauge. Not sorry......buttttttt the world of boating has many variables like fishing offshore, so I will agree "different strokes for different folks".....a TV show...
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