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Old 08-20-2018, 11:47 PM
jayR's Avatar
jayR jayR is offline
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Join Date: Sep 2016
Boat: 1988 prostar 190
Location: Boston
Posts: 197
This is not the thread I was thinking of but it seems to cover the same info... Also, am I the only one that finds it frustrating to read these old threads and not have waterlogged's comments included... there seems to be such a wealth of knowledge. it feels like a real loss not to have them there.

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Old 08-21-2018, 06:16 AM
caffn8r's Avatar
caffn8r caffn8r is offline
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Join Date: Apr 2018
Boat: '87 PS 190
Location: southeast
Posts: 41
Thanks jayR! I had found a different thread, but it was very similar. Seems to be a common issue on the older boats. Anyway, I basically did the same thing everyone else did, popped off the old log, re-epoxied it and glassed it over. Took about a whole day of work, the longest part was waiting for the epoxy to set. Dropped her in the lake for about an hour the next day and she's dry as a bone!
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Old 08-30-2018, 07:10 AM
Okie Boat Okie Boat is offline
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Join Date: Aug 2018
Boat: Mastercraft Prostar 190 351 winsdor
Location: Plains state (Oklahoma)
Posts: 1
Originally Posted by caffn8r View Post
Oh Boy!?! What have I done now?? Sooooo, I bought this boat... My 12 year old son and I have been skiing for a few years, always behind someone else's boat or for a show ski team. Well, he has progressed to the point that he just needs more water time than we can scrounge from other people, soooo....I bought this boat. LOL. I'm pretty sure in my neck of the woods that this is the equivalent of saying, "Hey y'all, watch this"! Who knows how this is gonna end up!? Anyway, it's an '87 PS190 with the powerslot option. Overall it was in pretty good shape when I bought it, or so I thought, so I took a chance on it. I have extensive experience in the automotive world, so I figured that a boat couldn't be too hard, right? It had apparently sat on a lift on a private lake for all of it's life, but had sat for the last few years without being run. There was water trapped in the bilge at some point and it caused some pretty severe corrosion issues to the exterior of everything aft of the engine oil pan. I bought her from an auction, so I don't know any of it's history and I'm going on the assumption that everything is broken. So far, as I take it apart, everything that has not been broken has been a nice little surprise! I just figured it was better to think the worst and be pleased when it's not than to think it worked and be bummed when it doesn't.

Sooo...about the boat. So far, all I've done is disassemble it and I rebuilt the trans. I think the easiest way to start is to list the good things I know and then list the bad things I know, so here goes...


Engine turns free.

The trans is rebuilt.

The interior is in really nice shape.

All the original equipment is there, except the driver's seat has been replaced.

Not so good:

Fuel system, at least the carb.

All hoses

All ducts

Heavy, heavy oxidation on the hull

Steering cable is shot

Did not have a trailer, so I had to find a temporary one.

Electrical and gauges are untested.

Things I've done so far:

Rebuilt the trans.

Blasted and painted all the parts and brackets from the engine back.

Purchased new Pertronix marine distributor.

New Atco Marine starter.

New impeller.

New raw water hoses.

Cleaned fuel tank (that was NASTY)

Replaced the ring gear on the flywheel.

New rear main seal on the engine.

I will try to post pictures of things as I do them. I'm more of a worker than a photographer. Any help, questions, suggestions, or commiseration is appreciated! I've already learned so much from this forum that it's unbelievable. You guys are awesome!

I have a 89 PS190 and it looks almost identical to yours. Thanks for the photos! My back seat was redone at some point and itís solid white, I was wonder what the original looked like. Iím following this tread because because I will be working on mine all winter. My son is 10 and recently started wakeboarding and he loves it. My first visit to this forum I found a an inexpensive way to make a wakeboard rack without buying a tower. It worked out well.

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Old 08-30-2018, 11:17 AM
Strreamline Strreamline is offline
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Join Date: Aug 2016
Boat: 1988 Mastercraft Platinum Prostar 190
Location: Canada
Posts: 200
Do you run into trouble with the rope hitting those board racks while slalom skiing or tubing (if you do that sort of thing, of course)
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Old 09-16-2018, 08:50 PM
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caffn8r caffn8r is offline
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Join Date: Apr 2018
Boat: '87 PS 190
Location: southeast
Posts: 41
Update! Well, the boat has been in running order for a few weeks now. I've had a few problems, but so far nothing too major. My new Arco starter suddenly quit working but I called them and they handled it with no problems. Installed the new one they sent me and so far, it has worked great. My shaft log repair is holding up very well, no worries there. I have discovered that my transmission is leaking out it's vital fluids. This is a bit of a major problem, but I think the fix is somewhat easy. When I rebuilt it, I noticed that there was some very, very slight pitting on the input shaft. i lightly polished it with some emory cloth, but apparently it was deep enough that the seal won't seat. So, for now, I intend to just keep an eye on the level of the fluid and when it's convenient I will pull the trans out and put a jiffy sleeve on it. That seems to be the only problems I've had. The control cables are a bit stiff, but I plan to replace them soon, again, no biggie. My kid loves skiing behind the boat and his HUGE smile is worth every skint knuckle and dollar that I've spent. My next step is to finish buffing out the gelcoat and when I'm done I will post pics.
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Old 06-30-2019, 09:11 AM
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caffn8r caffn8r is offline
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Join Date: Apr 2018
Boat: '87 PS 190
Location: southeast
Posts: 41
My goodness how time flies when you're having fun!! The old girl has been hitting the water 2-3 times a week for the last year and, so far, has only had a few minor hiccups. I drive for our local show ski team and she really gets a workout!

I will have to say that for this boat being a near total basket case at the start, I'm amazed at how well she has performed. She's fired up every time and with the exception of running out of gas one afternoon, has always made it on the trailer under her own power. She has pulled 10 person pyramids, multiple barefooters and hours and hours of my own kid doing tricks.

I pulled the transmission and installed the jiffy-sleeve, which solved my issue of leaking trans fluid in the bilge.

The next thing in store for her is to rebuild the ski lockers. the staples in the original upholstery have rusted and the skins are coming off. Since the skins are in very good shape, my plan is to salvage them and reattach them to new wood. My fingers are crossed! I will post pictures of that process whenever I can stop skiing long enough to do it. Here in central Florida we ski year round, so down time is fairly rare. Don't hate !!

Here is a shot from yesterday's session at the lake...
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Old 07-23-2019, 08:51 PM
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AZDave AZDave is offline
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Join Date: Dec 2006
Boat: 1993 Stars & Stripes Prostar 190 351 285 hp
Location: sw
Posts: 511
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Old 08-01-2019, 07:59 PM
Marley Marley is offline
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Join Date: Jul 2019
Boat: Master Craft, Stars & Stripes, 1983, PCM 351, Power Slot
Location: Southwest
Posts: 31
Very Nice Job. I can't wait to get some water time before my rebuild, if I can. My intent this winter will be, like yours, reduce everything to it smallest component, inspect, repair/replace, return. It's not my first boat, but my first MasterCraft and I'll say they built them well. Nice thing about such a procedure is that once completed, you know pretty much every nut and bolt on the boat. And with great people like Waterlogged and this website, life is good.

Flat water and smooth turns!
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