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    Winterizing a Merc A1-G1 Block Question Antifreeze

    Lou, You probably know this, but for those lurkers that may not, aftermarket manifolds and risers are fine to use, but make sure the gasket between them is a good one. I had the green paper gasket that came with the Osco-brand products fail one day and the engine hydro locked, luckily with...
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    Winterizing a Merc A1-G1 Block Question Antifreeze

    Lou, 20 years is a long time for risers and exhaust manifolds to last in salt water. You might slide the rubber sleeves off the risers and have a look at the risers. That is where they tend to rust away first.
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    Need to reduce ventilation

    Glad it worked. Enjoy!
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    Winterizing a Merc A1-G1 Block Question Antifreeze

    Gee, Lou, In the spring I used to drain the antifreeze back into it's original containers and save if for next season. I saw no reason to dispose of it each year.
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    Fuel capacity for 1990 sea nymph

    KBB may have the specs.
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    Old motors DEMAND to be retired when they are 65 years old..

    If I remember correctly, the Vega cylinders were aluminum treated with silicon nitride. This made them very hard, but if the engine overheated the hardness was reduced and the cast iron rings would then wear down the cylinder walls. Later model Vega's had the iron duke engine to fix this issue.
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    Need to reduce ventilation

    I like the Turning Point Hustler props in aluminum. They are a bit higher performance than other brands but are about the same price. They are cupped. If your Solas prop has a removeable hub, you may be able to buy just a hub for the Mercury, for that prop. The Solas web site should show...
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    2005 J115PXSOR new remote throttle

    Generally, one would push the button in and hold it which disconnects the shifter mechanism. One can then advance the throttle in neutral. I would expect your engine to have the Coldstart feature which causes it to run at high idle, when cold. If you have that, and it is working, you will not...
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    Need to reduce ventilation

    Put a straight edge on the prop blades. The cup will be on the trailing edge of the blade, near where it joins the hub. Cupped props are more common, with non-cupped props the exception and are often quite old. Cupped props ventilate less. It is helpful to observe the A-V plate when on plane...
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    A nice tip but it’s not about stern drive storage in the up position

    So this went from a "how to get the trailering clips off easy" to a how long do the PTT cylinder seals last? My point was that the PTT doesn't need trailering clips, unless you simply like the color of 'em. Bouncing down the road is less stress on the hydraulics than running across the water...
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    Accidentally ran 2 stroke mercury 15hp without oil for an hour.

    Normally the rings fail first, when you run w/o oil. Take a compression test and see what you have. The cylinders should be 90+ PSI and within 10% of each other.
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    Old motors DEMAND to be retired when they are 65 years old..

    Actually, OMC recommended that you not flush the old Johnnyrudes after saltwater use. Not sure why.....
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    A nice tip but it’s not about stern drive storage in the up position

    Gee, when was the last time you were out boating and had a PTT failure? I have never had one in 50 years. I had some PTT units that leaked down over time, but no catastrophic failures. Whereas your trailering clips are a nice blue color, I believe them to be superfluous.
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    Suggestions on how to fill my onboard gas tank?

    Gee, a simple topic, so off base.
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    Stringer rotten

    Doesn't it depend on how much flow you need? See what your pump puts out and compare that to a normal livewell pump. If she pumps harder than you need for one livewell, add a tee or valve to control pump output.
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    trim tilt 3 wire?

    Gee, what motor?
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    Mercury 2 stroke 4 hp

    A thru hub prop will be pretty obvious. It will have a nut in the center and a tube-like hub around the nut. Tak a look at any Merc prop for 40HP or larger. If you have a thru hub prop, it will look the same, only smaller in diameter. Most OB motors have water intakes in front of the prop...
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    Newbie removing lower end on Mercury 115 4 stroke...

    That is a strange place for silicone. Most waterpumps have a stainless steel wearplate with a gasket on each side. These seal the waterpump cover to the waterpump base. Silicone is never required. You should check the parts list on a site like crowleymarine. Most exhaust castings have a...
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    Mecury BlackMax 175Hp, Constant Beep and Overheating

    Did you replace the thermostats? Rebuild the poppit valve? A hot telltale is a sign on a lot of motors, that the thermostats are not working properly, or the cooling passages have a blockage.
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    Oil coming out of carburetor

    I looked up the parts list for a random Merc 4 cycle 15HP motor. It looks like the fuel pump is mechanically driven, by the cam or crankshaft. If the fuel pump diaphragm has a hole in it, gasoline could get into the crankcase, overfilling it and forcing oil into the carb via the PCV system...
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