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    OMC 115 Seaswirl/SeaSquirt TurboJet (1194 115JEERA I think..) Rebuild due to one cylinder filling with gas while cranking?

    Trace the fuel pump hoses, if any, to the crankcase and see what cylinder's crankcase it affects. Some fuel pumps bolt directly to the crankcase. The steel sealing rings on the crankshaft seal the crankcases from each other.
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    No sparking v4

    Gee, there are a myriad of tools for just that purpose, but sticking a heavy screwdriver somewhere to wedge it works.
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    OMC 115 Seaswirl/SeaSquirt TurboJet (1194 115JEERA I think..) Rebuild due to one cylinder filling with gas while cranking?

    The fuel pump is powered by crankcase pulses. If the fuel pump diaphragm leaks, the crankcase that powers it often gets raw fuel in it.
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    Oh no.....wet foam! need a plan B.

    Your boat likely has an aluminum fuel tank. You might inspect it's bottom for corrosion, while you are at it.
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    How to choose an old 2-stroke 150/175 Merc

    Normally standard dino gear oil is fine for those older gearcases, as that was all there was at the time when new. You might consider synthetic gear oil as the smaller gearcases like yours are a bit challenged by the power of the XR6.
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    GT 200 fuel pump

    Check out the maxrules web site. They ID them pretty well.
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    Great Cheap Seat Cushion Cleaner

    Spray 9 is the best. Use some protectant like Armor All afterward.
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    Thinner for bottom paint, what to use??

    Interlux is "famous" for specifying their own thinners. They have slow for brushing and fast for spraying their polyurethanes. I do use their thinners for spraying, but plain old paint thinner for cleaning brushes.
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    Why is gear oil leaking out of lower unit when running?

    You need to smell that oil. It could be unburnt 2 cycle oil or gearoil, likely 2 cycle oil. If it smells like gasoline or oil it is 2 cycle oil. If it smells like rotten eggs, it is gear oil. 2 cycle oil is pretty normal. You might see if a carb is leaking.
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    Looking to Paint over Old Gelcoat.

    If the paint calls for primer, be sure and use it. Some call for primer over metal and not FG, some call for primer over both. i.e. Briteside wants primer for metal, but none is necessary for fiberglass, unless fiberglass surface is crazed.
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    Oil injection delete

    What year and HP is motor?
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    Can I use a jack plate for short shaft motor on tall transom

    Using a jackplate to adapt a short shaft motor to a LS transom, means is it likely that the motor cannot tilt or trim much. If the motor is an aux, it may drag in the water. If pull start, it may be hard to get to the cord.
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    Thinner for bottom paint, what to use??

    Paint thinner for oil based bottom paint, the same as used to clean the brushes, if you do that.
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    Non-Skid - Economic Options

    Water based (latex) paint will peel off in large pieces, if you use it on your deck. It won't take too long, likely 1/2 a season. If you don't want to spend too much $, get some marine enamel paint from the Home Despot. It will give a few years at least.
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    Looking to Paint over Old Gelcoat.

    Interlux Briteside is a one-part polyurethane paint for topside use. It can be rolled and tipped for a finish that is close to sprayed. It is tough and very shiny. Marine enamels are not quite as good, but a whole lot cheaper. The question is how good do you want the boat to look?
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    How to choose an old 2-stroke 150/175 Merc

    So, 20" (long) shaft, small gearcase.
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    How to choose an old 2-stroke 150/175 Merc

    Maxrules does not show an XR6 with that serial number. A regular 150 or XR4 with that S/N is 1992. Does it have the smaller (4-1/4") diameter gearcase?
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    89 Mercury outboard 100 hp shift shaft alignment

    Gee, "Whaled on it like it owed him money" seems like overkill to me. I wiggle the gearcase, tightening the nuts with my fingers until she is just about all the way mated with the midsection. Then I use a wrench/socket to tighten.
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    89 Mercury outboard 100 hp shift shaft alignment

    Gee, the fit of the gearcase to the midsection is tight, but usually wiggling it with hands is enough to slide it in. I would watch for stripped driveshaft splines and cracks in the midsections.
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    Murcury optimax 150 teplmp sesor.

    Generally, on V6 Mercs, the temp sender is on one cylinder head, and the temp alarm sensor is on the other cylinder head. They will have different wire colors. The temp gauge sender wire is usually tan.
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