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  1. #1
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    First time engine rebuild

    Where can I get this part and if I can even get a new one. Sorry not sure what it's called. Also where is a good place to get gaskets and bearings? This is a 2.5 200
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  2. #2
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    Hmmmm! automatic oiler gear, think about it why would you put it back , in over 400 mercury motors i have rebuilt this part was number one reason it blew up just my .o2 , pro marine or merc .net for rebuild parts/ gaskets

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  4. #3
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    https://youtu.be/hNGMJhhhUe0

    FWIW - this motor is still running 3 years later on premix with the oil plug and the bad worm gear.

    https://www.screamandfly.com/showthr...f-or-tear-down
    Last edited by bigshrimpin; 12-08-2019 at 09:43 PM.

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  6. #4
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    Ok I figured it was something for the oil injection which it no longer has. I'll just take it off and continue on with the build. Thanks!

  7. #5
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    Should probably leave gear in place. Make sure there is nothing loose that can come off. Removal of gear will reduce crankcase pressure in that hole and make motor a bit lazy.

    Rock
    Team Junk

    No sparkling wiggles in here, only dump truck grinches.

    "Screamin Heathen"

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  9. #6
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    Rock nailed it. It gives stuffing for crankcase just dont try use a oil pump. Premix

  10. #7
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    I agree with Texas and Rock.
    Leave it in place unless it’s damaged or coming apart. You like to have something in place there.
    ProMarine sell it if you need to replace it.

  11. #8
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    Hey Big nice video work on the stripped gear ,is this the same Big Shrimping that sold a lot of Mercury v6 parts on ebay a few years ago??? If so man i bought quite a few parts from you mister and all at a really good price my eBay name is 260Texas

  12. #9
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    I will smooth it out and keep it in then, there were quite a few shavings all over the bottom bearing

  13. #10
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    the bottom bearing area is important that it be keep clean it good you found these shavings because the gas oil mixture that puddles down there oils the top bearing via the small hose that goes directly to the bearing good job

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  15. #11
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    Quote Originally Posted by TEXAS20225 View Post
    the bottom bearing area is important that it be keep clean it good you found these shavings because the gas oil mixture that puddles down there oils the top bearing via the small hose that goes directly to the bearing good job
    and very important info! It starts by clogging that little screen on the check valve.
    While you have things apart I suggested to take it apart, make sure it is not coming apart, give it a good cleaning and remove any pieces that maybe sharp or about to come loose. I have bought plenty from Pro just to be safe.

  16. #12
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    Quote Originally Posted by TEXAS20225 View Post
    Hey Big nice video work on the stripped gear ,is this the same Big Shrimping that sold a lot of Mercury v6 parts on ebay a few years ago??? If so man i bought quite a few parts from you mister and all at a really good price my eBay name is 260Texas
    Hi Bobby - that's me. Thanks again for supporting my bad habit I really enjoyed cobbling together 2.4L, 2.5L, 3.0L Craigslist motors and unloading the parts I didn't need. I am not really active anymore with the buying or selling, but I have a great collection of motors..
    Last edited by bigshrimpin; 12-11-2019 at 09:52 AM.

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