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1993 Mariah

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Old 07-01-2015, 04:59 PM   #1

1993Mariah is currently offline
Posts: 10
Status: First Lieutenant
Join Date: Jul 2015
My Year: 1993
My Model: 18.5 Diablo
My Engine: 4.3LX Alpha I Gen II
Gallery Images: 0


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Default 1993 Mariah

Hello MOC,

Purchased a 1993 Mariah Diablo with 4.3LX Alpha I GEN II about one month ago , has 360 hours on clock, motor / drive / hull / trailer are all in good condition.

Been out in it three times.
Did a google search on Mariah , did not know they existed until I purchased this boat.
I have always had OB, this is my first I/O.

Already found one thing that might be a big problem.
The Lag bolts on the starboard motor mount are loose, they will not tighten.
I plan on removing these two lag's (they are only finger tight) to try and determine how bad the rot is under the motor mounts.
Has anyone had this issue before.
The Port side seems to be still tight/snug and holding.

Other that this discovery, I'm impressed with the boat, it had been well kept, still has original interior.
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Last edited by 1993Mariah; 07-01-2015 at 08:40 PM. Reason: photo
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  • Old 07-06-2015, 02:17 AM   #2

    mikeyt is currently offline
    Posts: 7,475
    Status: Platinum Contributor
    Join Date: Jul 2007
    Location: Ontario
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    My Year: 1996
    My Model: Shabah 180
    My Engine: 4.3
    Gallery Images: 14


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    Default Re: 1993 Mariah

    Quote:
    Originally Posted by Jester View Post
    Hello all:
    I have a 1993 MX 20 and the engine will not crank over after taking out of storage.
    Trim works and I can hear the solenoid click but not crank.
    Battery is full charge and I check the breaker on the motor and it is good.
    Also noticed the bilge does not run or no Nav lights.
    I’m looking for the fuse box but cannot find it.
    There is nothing like hijacking someone else's thread is there....
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    Old 07-06-2015, 12:26 PM   #3

    1993Mariah is currently offline
    Posts: 10
    Status: First Lieutenant
    Join Date: Jul 2015
    My Year: 1993
    My Model: 18.5 Diablo
    My Engine: 4.3LX Alpha I Gen II
    Gallery Images: 0


    Thanks: 0
    Thanked 0 Times in 0 Posts
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    Default Re: 1993 Mariah

    Jester, not to add to hijacking my own thread, but here goes.....
    remove the leads from the battery posts , check the battery voltage with a volt meter, anything less than 12 volts is not good.
    once you know you have a good/hot battery, check the connections, di-electric grease, re-install the connections and make sure the are tight.

    My fuse block / busbar is tucked under the helm.

    Also, just throwing it out there, cause I've see people go crazy trying to figure it out, but check the kill switch, is it working, is it tripped.
    woodward33 likes this.
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