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  1. Texasmark

    Tell tale or bubbler what’s normal w/o a thermostat

    Water needs to be above the impeller, amount depends on the engine being tested. Yours looks OK. You are dumping exhaust into the water so expect it to warm up. Engine thermostats of which I am familiar are in the range of 125-145*F. An engine without a tstat will just run a few degrees...
  2. Texasmark

    Need to reduce ventilation

    I would think dropping the engine one hole will solve your problems considering your rig. I have 4 or 5 Turning Point Hustler aluminum props and they are all cupped with "rake.....gets the bow up at higher speeds", and for an aluminum prop, they have (advertise the point also) all the goodies...
  3. Texasmark

    Suggestions on how to fill my onboard gas tank?

    This is irrelevant bit I felt compelled to say it anyway. On the subject of "filling gas tanks", remember the days when the tank was mounted on the rear of the outboard engine and you had to lean over the stern to fill the tank from a 5 gallon gas can you brought along? And.........great...
  4. Texasmark

    i have 2 mercury 90hp towers 1 is 78 one is 84

    What do you have to loose if it doesn't.....a little time?
  5. Texasmark

    Engine size for Wooden Boat?

    Glad you posted pictures. Forget what I said. That boat is too narrow to load it up with HP.
  6. Texasmark

    cannot get fuel to prime to engine. 1994 ranger 361v

    Assuming everything that usually works as designed works as designed, one problem may be a "snot rag" full of gelled water. Location could be right at the hose to engine connector, assuming you have a connector at the engine, on the hose side. Remove the hose at the engine.......just the hose...
  7. Texasmark

    Engine size for Wooden Boat?

    40 hp isn't a lot of power for that boat. In my boating circles, 40 hp on a 14-15' boat isn't uncommon, even on lightweight aluminum and fiberglass boats. As others have said, you never seem to have too much power to have a good time.
  8. Texasmark

    Motor stops under power

    Is your fuel tank vented....is it functioning properly? I assume you have a squeeze bulb on the fuel line. What does it feel like when the engine dies? Have you tried to squeeze it to prime the engine when it falters?
  9. Texasmark

    Pull start only engaged only when I pull fast

    Well as you say, I never saw such and it defies the laws of physics if you ask me. If friction forces it out.....does friction put it back????? What is the mechanism that tells it that it's time go go back into hiding?
  10. Texasmark

    Lund Renegade 1975 vs Ranger RT198p

    Having had a popular hulled 17' alum. BB. I find the hulls very hard on the buttox/backbone. Any chop of a foot or more will beat you to death at any kind of speed. I would suggest that you reconsider your objectives and look at a deep V alum boat...plenty of nice ones out there made by the...
  11. Texasmark

    Pull start only engaged only when I pull fast

    Just a post comment, centrifugal force is what swings the pawls out and as you realized, if the resistance to moving is lowered, they will sling out easier and work better and the faster you pull the rope the more energy transferred to the pawls to swing out.
  12. Texasmark

    Ragged out idle 90hp 2 stroke

    Next time you are out tilt the rear of the engine up maybe 10 degrees while its vibrating and see if it stops vibrating. I don't have any actual deliverable proof that fuel is puddling in the rear of those cylinders, but back in like 1960 time line, Mercury fishing motors were designed with the...
  13. Texasmark

    Ragged out idle 90hp 2 stroke

    Idle RPM is set to 675 +/- 50 RPM in the water in F gear, boat moving. With spark advance knob on throttle arm going from control cables to stator up under the flywheel that advances the timing, per the serv. manual. 115 compression isn't too bad but the manual says anything below 120 to expect...
  14. Texasmark

    90 efi Mercury 4 stroke over revving

    The only problem I have with that possibility is that you have 2 instruments that would have gone bad simultaneously....tach and speedometer. I had a 90 2 stroke triple, 2002 model and I was playing with the timing one day I accidentally set it too fast and the engine ran away....did a hard peg...
  15. Texasmark

    Seasonally changing Mercury 110 spark plugs

    Fish finders run on very low frequencies. Your outboard runs on 3x that range at idle and 30 times it at top end. If you get interference it would be little specks showing up on the display....something like little black or white dots spaced out, like when it starts snowing outside.
  16. Texasmark

    Cant get new boat to plan out

    I rented a 16' Carolina Skiff, may have been a CC, with a 60 Merc. one summer in S. Louisiana. It didn't have instruments but it performed well enough. Hole shot (getting on plane) was ok but in making the long runs from the marina to the Gulf, I could have used some more ponies to get the...
  17. Texasmark

    Stringer rotten

    Some boats of that era used the air space between the hull and the deck (floor) as the flotation device. As the boats got older water would find its way into that space (BTDT). I was boating when Terry was popular around here and they weren't top of the line bass boats (opinion based on...
  18. Texasmark

    Stalling at Idle and Idle Speed

    I see 4 possibilities: Fuel line from tank to engine including bulb which these days has gotten to be a big problem after the EPA stuck its nose into the mfgr. of that line, fuel filter in engine clogged, RPM set too low, old fuel lines (23 years old) with leaks either within the hose or at the...
  19. Texasmark

    1994 Merc 150 XR6 water pressure gauge hose attachment point

    Any 1/8" brass plugs screwed into the rear water jacket covers where the spark plugs are located?
  20. Texasmark

    Possible purchase of 73 Chrysler cadet

    Check out the weight in Jimmbo's post......225#. On windless days great, but here in N. Tx. the wind blows pretty much constantly. And what happens when you cross a boat wake, especially the ones that create the wakes for surfboarding????????
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