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Replacing Transom Assys and Y Pipes - Anything else I should swap while I'm in there?

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929 views 4 replies 3 participants last post by  JVM225  
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#1 ·
Going through my new to me 2000 Amberjack 290 and swapping both rotten transom assemblies. Y pipes are also toast. I'm going to block off the drive water intake while I'm in there (have through hulls) but wondering if there's anything else I should swap while I'm in there. I already swapped the stbd coupler (splines were bad) and heard the rear motor mount bushings can cause coupler failure (as such, considering changing for both engines - pn 8M0103028). Also swapping the elbows with OEM parts. Engines are FWC, so I'll check and clean up the manifolds as necessary. Already swapped impellers. Having the drives sandblasted, coated with Interprotect 2000 Epoxy and Pacifica Plus bottom paint. Will prime and paint the new transom assemblies before installing as well.

Anything else I should get after while I'm in there? Are the mounts inspectable or otherwise necessary ($50ea x4). Appreciate any and all experienced input.
 
#3 ·
Re: Replacing Transom Assys and Y Pipes - Anything else I should swap while I'm in th

I'd be on the fence with the exhaust flaps. If Sea Ray didn't use them as OEM (as is the case with the 496), I wouldn't add them back. Over the years we've had too many stories about these things rotting and falling apart and clogging the exhaust system. As far as blocking off the drive water flow that was may plan as well when I added the trough hull pickup. However, Merc convinced my repair shop that it was a bad idea and the better course was to Tee the though hull into the xisting water flow pattern. The concern was that not enough water would be pushed through the drive to properly cool it if the drive was disconnected from the water pump

On your larger question you might give a thought to other jobs where the labor is impacted by the engines being in the boat, e.g. what shape is the hot water heater in? HWH are generally cheaper than the labor to install them when the job involves major engine surgery. Ditto starter motors. I'd also look at any small rubber cooling hoses that might be on the engine, especially the ones in inaccessible spots. With the engines out, the labor cost (time in your case) to replace these is almost non-existant.

Henry
 
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#4 ·
Re: Replacing Transom Assys and Y Pipes - Anything else I should swap while I'm in th

Thanks for your response Henry. My engines had flaps and they were pretty rough so I'm going to replace. I didn't actually pull the engines out of the boat - just pulled from mounts, shifted forward and supported across the stringers and bilge while getting the transom assemblies swapped out. Also putting a coat of interprotect 2000e on the transom cutouts. Good point on the hoses and such though. Water heater is very far forward in the engine compartment and was disconnected so I assume it was OOC as well. Probably going to swap that out once I get everything else up and running.
 
#5 ·
Re: Replacing Transom Assys and Y Pipes - Anything else I should swap while I'm in th

I did the same to my boat a few years back. It's a good time to replace hoses, take a look at the power steering cooler, and make sure the bonding system wires and connectors are all good.
 
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