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    Mercruiser 165's First Engine Align, Having Trouble

    Thank you....I should have stated that I have read all of this.
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    Mercruiser 165's First Engine Align, Having Trouble

    The motors are for-sure in their original places. The transom assemblies were rotted and rebuilt replacements have been installed with the original inner transom plates, which may not be in the same place as they were before.
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    Mercruiser 165's First Engine Align, Having Trouble

    Oh...My mis read. Sorry. I replaced the bushings in the inner transom plates with new ones and re-used the double washers and collars. Everything was cleaned, sanded and repainted before install.
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    Mercruiser 165's First Engine Align, Having Trouble

    The rear motor mounts are not attached to the engine bed yet. I re-cored and re glassed the transom and engine bed I used the original holes on the outside of the transom to install the rebuilt transom assemblies...Im not sure what you are asking It is a new gimbal bearing, I have tried...
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    Mercruiser 165's First Engine Align, Having Trouble

    1974 Bertram 25. Twin Inline 6 Mercruiser 165's. I had the motors pulled to redo the transom and now the engines are back in -- I'm trying to align them myself for the first time. I'm struggling. One I have pretty close. On the port side I can slip in the alignment tool in until it is...
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    MC-1 Cylinder Rebuild Questions

    Ok. I have sourced all the seals. They are very inexpensive (other than the rod scraper) which is like $50 apiece. Just need to triple check my measurements. Should nitrile 70 seals be good all around?
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    MC-1 Cylinder Rebuild Questions

    Thanks for the tip on the quad seal. I assumed square o-ring. Mabee I'm wrong (or being arrogant) but it seems like brand new seals, if I can find the right sizes and types (I have found an o-ring retailer online), would be better than 20+ year old ones.... It looks like the very aft seal is...
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    MC-1 Cylinder Rebuild Questions

    Yikes. I cant believe how expensive the rebuild kits are....I assume I can use the specs from the FSM and order compatible o-rings someplace? I dont know much about o-rings. There appear to be many different materials they are made from. How do I choose?
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    MC-1 Cylinder Rebuild Questions

    Got it. Thanks!
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    MC-1 Cylinder Rebuild Questions

    My transom assemblies are in, motors being installed this week and I will start re-rigging this Boat soon. I pulled the rams, which were working, out of a box and decided to consider re-sealing them and cosmetically refurbishing them. I have only pulled 1 open but in this first case the...
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    MC-1 transom + cork gasket, to seal or not to seal?

    Sorry I waited so long for the progress photos.
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    MC-1 transom + cork gasket, to seal or not to seal?

    6F784E7F-1F3E-405F-966D-07717BE58759_1_105_c by ttownthomas, on Flickr
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    MC-1 transom + cork gasket, to seal or not to seal?

    3B0B056B-C499-4087-AFE6-D6D62C214233_1_105_c by ttownthomas, on Flickr
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    MC-1 transom + cork gasket, to seal or not to seal?

    One more question: Do I seal the bolt holes? Or leave them dry too?
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    MC-1 transom + cork gasket, to seal or not to seal?

    So, it looks like the transom bolts/nuts only get torqued to 20-25 pounds...?
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    MC-1 transom + cork gasket, to seal or not to seal?

    OK, No sealant. The boat will not be stored in the water anyway. Thanks for the fiberglass comment!
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    MC-1 transom + cork gasket, to seal or not to seal?

    Yeah, not sure I should use any sealant if its torqued right....But if I do is there a downside to using 4200?
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    MC-1 transom + cork gasket, to seal or not to seal?

    I Found a picture of the transom too:
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    MC-1 transom + cork gasket, to seal or not to seal?

    I have finally gotten to a re-assembly point after removing the rotted core and replacing with Coosa on my 1972 Bertram 25 with Mercruiser 165 L6's. I have rebuilt transom assemblies and I am getting ready to re-install them. The rebuilder that sold me the transom assemblies included tubes...
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    165 L6 Bushings need replacement?

    already had the MC1's rebuilt, plus I sourced rebuilt gimbal housings....decided to stay stock. Lasted 35 years last time
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