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  1. MadsBoat

    1973 Mercruiser 120 I/O PROP STUCK

    Guys, I have a little problem. I'm working on the restoration of a 1973 Sierra Mark IV Cuddy Cabin. Well the prop wont come off. I have used penetrating oil and a mallet with no success. I know there are prop pullers out there. Any advice on how to get it off and where to find the...
  2. MadsBoat

    Existing Finish - Minor Cracking

    Hi guys... I am working on my first restoration. it is a 1973 18' Sierra Mark IV Cuddy Cabin. The stringers, bulkheads, and transom are all items that are on the list for replacement. The existing finish on the boat is actually in great condition for the age of the boat. Once some of the...
  3. MadsBoat

    Mercruiser 120 Swap for Bigger Engine

    Hi Guys, I have an 18' 1973 Sierra Cuddy Cabin. Its a really cool looking little old cuddy cabin. It currently has a Mercruiser 120 in it that does run. I am restoring the boat and replacing the stringers, transom, bulkheads and interior. In the process of the tear-down I got the idea that...
  4. MadsBoat

    Stringer and Transom Replacement - I Need Your Help

    Well I just joined iboats and this is my first go at this forum. Recently I purchased a 1973 Sierra Mark IV Cuddy Cabin Boat (I think it was only made from 1973 to 1974 using molds that were bought from another boat company... Maybe dorsett...) After many hours on YouTube I realized that it...
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