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Old 06-02-2016, 07:01 PM   #1
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Default Going to look at a 1900SC this weekend.

After a lot of looking, I have my hopes up that this 2000 model will be the one.
It has the 5.0 Mercruiser with Alpha One outdrive. Im going to look at it Saturday.

I have been doing some research and it looks like I need to look for rotten wood. I also read the Alpha One was a little weaker that the Bravo. Should be really concerned with the Alpha One mated to the 5.0?

The price is more than I want to spend to buy a used boat, but their price on this boat seems awfully fair.
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Old 06-02-2016, 09:52 PM   #2
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That engine and drive are no issue expecially with that size boat.
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Old 06-03-2016, 12:21 AM   #3
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Thank you for the advice! I will post back once I look at it.

I dont have much experience with outdrives other than workimg on an old OMC years ago. But I can at least see how the gear oil looks when I look it over.
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Old 06-03-2016, 01:49 AM   #4
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If you have an IR they sensor I would take reading of the engine and exhaust to look for hot spots which would be a sign of blockages in the cooling system.
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Old 06-05-2016, 04:12 PM   #5
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We went to look at the boat yesterday. I feel like the seller was a little dishonest. He had installed a new fuel pump which he said was a reduced flow for "better mileage".

The boat bogged and would hardly plane off with 3 of us in it. I was very dissapointed but I saw a lot of potential in this boat

This morning I made a much lower offer and they took it.

Do I need to install an OEM fuel pump or something with the same flow?

Im also gonna pull the carb and see if it needs rebuilding.

Kind of a scary purchase getting this boat, but I believe if the fuel delivery gets straightend out it will make a good boat. All else seemed fine with the floors and foot, and it also comes with the snap on canvas for a full cab enclosure.

Any advice is welcome. Thank you!
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Old 06-05-2016, 04:58 PM   #6
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I would start by performing a compression test before putting any money into it. The test should be performed with all spark plugs removed.

A bad cylinder or two will result in low power as you describe.

Also what type of fuel pump did he put on?
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Old 06-05-2016, 07:44 PM   #7
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Im not sure what type of pump he put on it. He said when he looked it up it showed the 4.3 and 5.0 used the same electric pump. I will research it tonight.

I will check the compression as soon as I have the time to work on it. Fingers crossed on that!

Looks like I will need a prop as well. Any recommendations and a good source? And for a fuel pump as well?
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Old 06-05-2016, 09:41 PM   #8
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Newer Vortec engines use an electric fuel pump, being a 2000 it should have had an electric to start with.

IMO BS on the fuel savings, cutting back on flow or pressure will starve the engine and impact performance.

Plenty of on line places to get parts, never had any issues with a source yet so shop for price.
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Old 06-05-2016, 11:24 PM   #9
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Mike, thank you for all the advice. Can you give me a little more help until I get my feet wet with a good source for parts? Im not going to buy a fuel pump and slap on it and hope it fixes it, but Im planning ahead on parts in case I need them. The fuel pump part number is 861155A3. Would I need to buy a fuel pump form an online marine store(approx $220) or could I buy a knock off ebay equivalant for $140?
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Old 06-06-2016, 02:29 AM   #10
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You should be able to get the pump on eBay, Amazon, ebasic power, Michigan motorz, west marine, gotomarine, or a local Mercruiser dealer. Just to name a few.

I would run a pressure test on the fuel pump before replacing it. Should be 6-7 psi for a carb engine.
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