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    Threadlocker for Upper to Lower attachment bolts

    Hello All, Just a simple question here. Working on an OMC cobra 4.3L. I am currently getting ready to re-attach the lower gear housing to the upper gear housing. The repair manual mentions that the upper to lower gear housing attachment bolts have a yellow/green threadlocking substance that...
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    Drive Shaft Bearing Questions for 4.3 Cobra

    Hello All, Trying to get this outdrive put back together after replacing bearings, O-rings and gaskets. I have one bearing left to install and have some questions. I am including a diagram below to clarify the bearing I am trying to install, the bearing is circled in RED. OMC calls for...
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    Painting inside of outdrive?

    This is a simple one, and probably a lot of opinion involved here and for that reason I will take anything, even if it's just your two cents. I am currently rebuilding my Cobra outdrive and I came across some information from a fella who paints the inside of some areas of his lower units when...
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    Cobra - model type?

    Hello Gentlemen! I am working on putting my outdrive back together right now and as I was putting it together, I noticed that the diagrams did not match what I was looking at in front of me, so I am trying to get the model number for my outdrive figured out so I can get this girl back together...
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    Zincs for Aluminum Boat

    Hello again Gentlemen! I am in the process of restoring a Starcraft Islander 221V. The hull material is 5052 riveted aluminum. I have a few questions about zincs. The first is a stupid question. It is necessary to have zincs on an aluminum hull? My understanding was that they were...
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    Mounting 4.3 Cobra - Motor Mounts and Stringer questions

    Hello Gentlemen! I am currently restoring a Starcraft Islander 221V with a 1988 4.3 Liter Cobra engine. The hull material is 5052 riveted Aluminum. I'm starting service on the engine soon but trying to get some questions answered ahead of time so I can order parts and supplies so they arrive...
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    OMC should steering support bracket be sealed?

    Hello again all! Simple question here. Working on an OMC cobra 4.3L (model 432APRGDP). I took off the lower steering support bracket today (part number 912391) in order to remove the gimbal ring and replace the seals which had deteriorated, and as long as I am at it I will be replacing the...
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    OMC Gimbal Ring Shims

    I am in the process of restoring an OMC Cobra 4.3L and working on the transom shield & gimbal housing (model 432APRGDP). I ordered a seal kit off ebay and I have a question on the Lower Gimbal Thrust Washers (part number 911818). The parts diagram only shows that I should need 2 for assembly...
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    Re-painting outdrive & hull with automotive paint?

    Hello All, I am in the process of a restoration on a Starcraft Islander 221V. The hull is aluminum and the outdrive is an OMC Cobra. When I was at the Marine parts store the fella there said that Moeller spray cans were the best and only options for repainting the outdrive, so I picked up...
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    Starcraft Hull - Holes in strakes

    I have a Starcraft Islander 221V that I am currently trying to restore. There some tiny holes aligned perfectly on the crest of the strakes. Photo below. I am curious if these are here for a reason? Since they are perfectly aligned on the crest of the strakes I assumed they were put there by...
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    Rivet Types - Aluminum Hull - Starcraft

    Hello gents. I'll try to keep this one simple. I need to replace some rivets on my Starcraft Islander. From what I understand Starcraft uses 5200 aluminum. So far in my research I have found some options that seem like they are compatible metals. 1100F - maybe easier to work but Possibly...
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    Aluminum Hull - Leak test before paint?

    Hello all, Working on a riveted aluminum hull Starcraft Islander. I am halfway through a full restoration. I plan on painting the boat, should I paint it before I put it in the water for the first time for leak test? Or should I leak test it then paint it? I am having some welding done...
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    Aluminum Hull Repair - Preparing for Weld - Starcraft Islander

    Hello Gents, Working on a full restoration on a Starcraft Islander 221V and I just want to make sure I am on the right track. Bringing you up to speed. It is an 88, has the GM 4.3. Just about everything in the boat has been removed, deck, foam, seats & cushions, steering wheel. The transom...
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    OMC Cobra forward bearing part number help

    Hello Gents, I am rebuilding an OMC Cobra and I am trying to replace the bearing from the "Forward Housing and Bearing Assembly". The parts diagram does not list the bearing by itself and it looks like OMC was intending the sell the bearing and the housing as a single unit. The writing on...
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    OMC Specific Shimming Tools: Guage Lengths

    Hello Gents! I am in the process of rebuilding an OMC outdrive for the first time. I am in the process of tracking down all of the tools that I will need for the job. I have gotten pretty much everything but the special tools for shimming the Cobras are difficult to find. The part number...
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    Starcraft Islander - leaking rivers?

    I recently picked up a 1988 Starcraft Islander 221v. Someone mentioned to me that some aluminum boats will develop leaks at the rivets every time the boat is taken to rough waters such as a windy day on the Pacific Ocean. Has anyone had issues with leaking rivets on these Larger Starcraft...
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    Where should I go from here? (Outdrive question)

    Hello all, I am looking for some input regarding service/ evaluation of an outdrive unit. I have years of mechanical experience working on many different things, but little experience with marine engines. Information and details below. I looked through the forum but could not find anything...
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