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1992 Mariah 1900z

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Old 11-23-2011, 05:08 PM   #1

Faerbairn is currently offline
Posts: 2
Status: Stowaway
Join Date: Jul 2011
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My Year: 1992
My Model: 1900z
My Engine: 4.3L, Alpha One
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Default 1992 Mariah 1900z

Where can I find out what HP is the engine?

Mercruiser GM V-6
Serial # T12172KR

Also, what generation is the outdrive?

Outdrive: Alpha One
Serial # OL981578

Did the engine come stock with a Edelbrock 4 barrel carb? Serial # 1406 7129

Did the boat come with the 4 blade SOLAS prop on it? # (M) E4x14.25x19R

I got it to fire up with a new tank of gas, new filters, and an auxilary 12v fuel pump. My plan is to change the gear oil in the outdrive, engine oil & filter, spark plugs, top off the power steering fluid and the outdrive lift motor.

The fuel pump that wasn't working is a Carter P/N 152-875. I can not seem to find the same one to replace it. Can I use a standard 12v fuel pump in its place?

Do I need to replace the impeller? It is running at 165 degrees on the hose.

Anything else I should do or check before I take it out?

Thank you for your help.
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  • Old 11-23-2011, 08:56 PM   #2

    mikeyt is currently offline
    Posts: 7,475
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    Join Date: Jul 2007
    Location: Ontario
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    My Year: 1996
    My Model: Shabah 180
    My Engine: 4.3
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    Default Re: 1992 Mariah 1900z

    I'll try to answer your questions in order since i see that no one at iboats.com answered these questions for you.

    Likely 190hp
    Alpha 1, Gen 2
    Not sure if it was an Edelbrock but that's unlikely. It did come with either a 2bbl or 4bbl carb.
    No. Likely came with a 14.25 x 19" 3 blade aluminum.
    Unsure about the fuel pump but i understand that a Carter model 4389 is the direct replacement. Will leave that one to mechanics here on our site. Here's a link to a vendor.
    If you dont know when the impeller was last replaced, then i would suggest that you do it now.

    btw....welcome aboard.
    __________________
    Rarely visit this site given its problems and lack of management interest.

    Last edited by mikeyt; 11-23-2011 at 08:58 PM.
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    Old 11-23-2011, 09:02 PM   #3

    Faerbairn is currently offline
    Posts: 2
    Status: Stowaway
    Join Date: Jul 2011
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    My Year: 1992
    My Model: 1900z
    My Engine: 4.3L, Alpha One
    Gallery Images: 0


    Thanks: 0
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    Default Re: 1992 Mariah 1900z

    Thank you MikeyT
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