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Happy New Year all So question is on a 22 year old boat with 8.1s 760 hours do I go ahead and replace heat exchangers, Oil, Tranny and Fuel Coolers? I have no issues and temps are all good. Not a fan of waiting for things to break in the middle of a short season but also don't want to throw...

For all the issues we can have with boats this is low on the to do list but looking for some thoughts on the cause. I noticed that when I turn any of the sinks on in the boat I get cold water for a few second then it gets warm to hot for a few seconds. if i let it run it will cycle like this...

So a long road to get my 7.0 BCGB Westerbeke Genny running again. Ended up being bad valves so the head came out and added a whole list of very expensive parts to the genny while she was apart. Back together and running better than ever aside from shutting down after running a minute. We...

So my 7.0 Westerbeke generator was running extremely rough so we did a compression test Came up with 210 210 and 209 readings with all plugs removed. Then did another test with plugs in came up with 180 180 90 added oil to the low cylinder an came right up to 250 so assuming bad rings .. Not...

Had the fresh water pump fail and looking to replace. It is a Jabsco 3.7GPM 25PSI pump. The newer model is 4 GPM and is 40 PSI. Just want to be sure that the increased PSI will not affect any connections etc. the next model down is 3GPM at 25PSI but do not want to lose pressure or volume. Can't...

Getting to the 5 year mark where I am going to be changing the manifolds. As we all know with the 8.1s its a few boat dollars and the question whether to inspect the elbows and not replace due to them being Stainless comes up. I asked a very reputable mechanic and he said to replace the elbows...

We noticed on the port side along on the step up to bed under closet the rug was moldy in a small area. We have been keeping an eye on it when it rains to see if we could see where it was coming from and it stays completely dry. I went out with a hose and tested the port windows one at a time as...

So when I go to start my port engine I hit the ignition switch and normally get one beep although lately I have been getting a secondary beep and says port engine alarm. It is not constant and just lasts for a second. Engine starts and runs fine. If I turn off the engine and try restarting it...

Does anyone have a particular oil pump that works well with the 8.1s? I purchased the Moeller 7qt pump that has garden hose attachment and a variety of tubes that go down dip stick. It works great on the Genny although is painfully slow getting the hot oil out of the 8.1s to a point and then...

Replaced both manifolds and elbows with OEM Mecruiser parts in August of 2016 Wondering if it would be best to replace this spring,just under the 5 year mark or at the beginning of the following season a couple months over the 5 year point? Seems like the parts almost doubled since the last...

I was having some intermittent problems where the stbd wiper would not work and then go back on. I did some testing and replaced the switch. When I turned them on they worked great until I put the dash back on and they stopped working again. Tested the breaker has power, tested the power wire...

So figured I would get some opinions on changing engine oil. I change mine in the fall at the end of the season and again half way though the New England season in August. Some may say overkill I say for $150 it is worth it. I have been trying to get some info on switching to either Mercruiser...

So going on 5 weeks out of the water due to a bad seal and a scored shaft My question is that I am having a new shaft made for this side and will do the port side in the fall. Some are telling me that I can take the old shaft to a machine shop to fix the scoring and possibly use for the other...

I have installed a Garmin GPS and wanted to run a NEMA cable to the Fussion radio in the cabin. Figured I would check to see if anyone has found the best route to get the cable to the radio Thanks

Has anyone else heard that parts for 8.1s are becoming more and more unavailable? I have heard this from 2 Mecruiser mechanics and a guy that runs a part department. They are saying that parts are no longer being made for the 8.1s and that there has been incidents where say a crankshaft sensor...

So I have been having my starboard engine alarm going off and a code is coming up that Port and Starboard engine exhaust manifold temp is high when I am reading the starboard engine codes. Put a heat gun on motors and everything was all good running at 3200rpms except port motor was reading 200...

I had my starboard engine diagnostic alarm go off a couple times and finally went into guardian mode. the mechanic tested and came up with the codes 94 75 118 191 which I am reading are all non relevant to my engine? Would appreciate any suggestions on possible causes or where to look next Thanks

So I have been winterizing my boats without any issues for the last 5 or 6 years. Last year I ran short a couple gallons when it was time to do the engines. I went to a local family owned marine store and picked up 2 gallons of the pink stuff,a brand I never used before. When I got to the...

My 2002 RL80C bit the dust so time to make an upgrade to a new electronics package. Went with the Garmin 1242xsv and the solid sate radar dome. I have reached out to sea scan on a radar mount who has been extremely helpful and has a great radar mount system and willing to match my current hole...

Just got done replacing my cabin fridge and wanted to share some things that I learned along the way. I am always looking at this site for help and figured I could finally help someone else out. I replaced the Never Cold DE 461 with the Vitrifrigo 2600 stainless Great Water in MA had a good...