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  1. C

    Bimini top seems to have shrunk

    Gee, covers shrink when they get older.
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    Boats from work.

    That cobalt must have backed into something real solid, and I would expect the outdrive to be a total loss. If she hit something going forward, the drive would have kicked up, with little damage or none.
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    Black scuff marks on cylinder walls

    Gee, the pictures of the pistons look brand new. Carbon is minimal, IMO. Clean the water jacket if she needs it, install new head and transfer cover gaskets and go boating.
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    What hub do I need for an Alpha One prop?

    Most new props are modular. That is the housing and blades will often fit sterndrives and outboard motors of different brands. Usually, the hubs are brand specific. i.e. I can swap props between my Mercury 135HPV6, my Johnny 150HPV6 and an Alpha I sterndrive, by using the correct hub, thrust...
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    1989 175hp Mercury starting issue

    Your fuel pump is run by crankcase pressure and vacuum. If the fuel pump diaghram leaks, raw fuel can get into the crankcase, possibly hydro locking it. Of course, it could be a bad starter, bad starter cables a binding bearing, or other stuff.
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    83' 115hp Mercury, prop slip

    I have never seen a 2 blade prop for a TOP. There were old bronze ones for lower HP Mercs.
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    Do I need a trailer?

    Gee, a couple of years ago I pulled the end caps off my galvanized 1989 trailer and looked inside the main support tubes. There was no rust, and I launch in salt water. To be fair, I keep the boat on a lift, so I only use the trailer a few times a year. However, I never thought a 35+ year old...
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    Mouse chewed through power trim cable

    ARCO and Sierra make replacement PTT motors, usually for about $200. If you cannot fix it, you might look around for an aftermarket PTT motor.
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    Bolts for water pump are rusting

    You may have a small leak. You might observe it when running. Now on my 4.3LX that I kept in salt water, each spring the bilge would have some bits of rusty metal, which were unidentifiable
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    Do I need a trailer?

    Actually, I think it depends on how often you want to use the boat. It will be a minor PIA to load into the truck bed, tie it down, drive to the lake, unload it. Now fish all day and then load it back into the truck bed, tie her down and drive. Also, after you get home, untie and unload it....
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    115hp 2 stroke on a Stracraft Mariner 21 ft?

    A good rule of thumb is to have 75% of max HP on the boat. If the max HP for that boat is 140HP, then a 115HP is within 75% of max. I assume the hull is aluminum?
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    TILT / Trim

    If model and serial number are correct, this should be the PTT unit for your motor. An owner's manual or service manual will tell you if it is power trim, tilt or both...
  13. C

    1994 Ranger boat

    Not if they are two cycle. A 150+HP 2 cycle motor should have 3/8" fuel line.
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    1994 Ranger boat

    Fuel line size is dictated by motor requirements. What motor do you have? Fittings can often be changed. Fuel line can be changed.
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    prov 150 carb question

    The cad.....
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    Weight of 1980 4-cyl 80hp?

    A DI 2 cycle motor will be a bit less weight than a 4 cycle motor, but not much. Your current motor will be at least 1/3 less weight than either of those. Gee, Merc made a 3 cylinder 90HP 2 cycle outboard for a while. They are only avail used, but at least you would move up a couple of decades.
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    Ruh-Roh… a new gear case may be in order

    Gee, that is bad luck. I hit a rock at 35mph and only snapped off the skeg, which was lucky. Sterndrive Engineering (SEI) makes replacement gearcases for popular Johnnyrudes.
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    prov 150 carb question

    Unfortunately, RTV doesn't hold up well in a gasoline environment. If the ball just needs sealing, use some of wife's nail polish to seal it. Epoxy glue will work as well. Clean the area with acetone, before applying sealer.
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    TILT / Trim

    Some of those Mercs only had a power tilt function. A quick look on the crowleymarine site shows that motor (depending on exact model) having one of 3 trim/tilt, tilt or manual tilt components. What have you got?
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    Mercury outboard wieght chart

    Gee, weight is not usually the issue. The amount of power the boat can safely handle is the issue. Both those motors are likely inline 4, 2 cycle engines. The weight difference is minimal. The power is 60% more for the 800.
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