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#41
Bavaria Yacht Help! / Engine change
Last post by marioxp - June 26 2026, 10:25After the ignition problem, the service engineer determined that the engine had insufficient compression on 2 of the 3 cylinders. Since I had a general engine service 2 years ago, I was not looking to take the engine apart again.
The decision has been made and I am replacing the MD2030 and sail drive MS25 with a new D1-30 and a 130S.
We have agreed with the service engineer that we will unscrew the old engine and take it to shore and put the new engine on the boat. After that, the crane will take the Bavaria 36 out to dry land and the repairman will take the old sail drive out and install the new engine and new sail drive.
I am working out a strategy for pulling the old engine out and transferring the new engine from the dock to the boat. The service engineer's advice is that it is easier to take the engine out to the dock while the boat is in the sea than when it is high up on a stand in dry dock. Does anyone have experience with this process? There are two of us, what would you advise me.
Mario
The decision has been made and I am replacing the MD2030 and sail drive MS25 with a new D1-30 and a 130S.
We have agreed with the service engineer that we will unscrew the old engine and take it to shore and put the new engine on the boat. After that, the crane will take the Bavaria 36 out to dry land and the repairman will take the old sail drive out and install the new engine and new sail drive.
I am working out a strategy for pulling the old engine out and transferring the new engine from the dock to the boat. The service engineer's advice is that it is easier to take the engine out to the dock while the boat is in the sea than when it is high up on a stand in dry dock. Does anyone have experience with this process? There are two of us, what would you advise me.
Mario
#42
Bavaria Yacht Help! / Re: Suunto compass bellows rep...
Last post by MarkTheBike - June 25 2026, 22:06Hiya Tommi
yep commiserations. I know exactly how you found out 'cos you very kindly wrote it up and that's why I'm being so careful. That shallow taper is a real pain. I did experiment with a thin rubber ring that fitted the small channel that runs around the tapered bit. My reasoning was that, as the hoseclip was tightened, it would give the cup something to 'bite' on. I think it would have been successful but the cup rubber was a bit too thick and pushed the ring out of the channel rather than just slipping over it. I abandoned it in favour of the soft silicone idea as it will be neater if it works.
yep commiserations. I know exactly how you found out 'cos you very kindly wrote it up and that's why I'm being so careful. That shallow taper is a real pain. I did experiment with a thin rubber ring that fitted the small channel that runs around the tapered bit. My reasoning was that, as the hoseclip was tightened, it would give the cup something to 'bite' on. I think it would have been successful but the cup rubber was a bit too thick and pushed the ring out of the channel rather than just slipping over it. I abandoned it in favour of the soft silicone idea as it will be neater if it works.
#43
Bavaria Yacht Help! / Re: fual tank grommets
Last post by Odysseus - June 25 2026, 14:48Hi there....I did this work some years ago after replacing the grommets new from the oridginal supplier ...infact I sill have some....however after replacing them they still weeps out of the flange of grommet...so idid a tem fix by putting 4/6 turns of ptfe tape around the inside of the grommet that then sits on the rough cut hole in the tank, that was 10 years ago....still not leaking 
next....the plastic pipes just pull out of the grommets, then replace with new pipe or whatever...all thins can be done in 15 mins...BUT FUEL MUST BE BELOW GROMMET LEVEL.HOPE THIS HELPS I am sailing now so may be slow answering you messages.
next....the plastic pipes just pull out of the grommets, then replace with new pipe or whatever...all thins can be done in 15 mins...BUT FUEL MUST BE BELOW GROMMET LEVEL.HOPE THIS HELPS I am sailing now so may be slow answering you messages. #44
Bavaria Yacht Help! / Re: fual tank grommets
Last post by Odysseus - June 24 2026, 19:04Just put 4 to 6 turns of ptfe around grommet job done
Odysseus
Odysseus
#45
Bavaria Yacht Help! / Re: fual tank grommets
Last post by Happysailor - June 24 2026, 18:12Hi Hans, welcome to this forum! You can check the page of svb24.com if still original parts for your fuel tank are available.. this is the dedicated site for Bavaria parts. It is a known problem with GTL that rubber is shrinking and causing leakages. If no spares are available anymore, you may need to look into replacement/ modification.
#46
Bavaria Yacht Help! / Re: Suunto compass bellows rep...
Last post by sy_Anniina - June 24 2026, 17:22Mark,
just don't file the groove for hoseclip / cup in the original housing any deeper to improve grip. Don't ask me how I know.
BTW Silva has a dimensionally quite suiteble replacement unit... how do I know this
Tommi
s/y Anniina
just don't file the groove for hoseclip / cup in the original housing any deeper to improve grip. Don't ask me how I know.
BTW Silva has a dimensionally quite suiteble replacement unit... how do I know this
Tommi
s/y Anniina
#47
Bavaria Yacht Help! / fual tank grommets
Last post by Heinsius - June 24 2026, 11:26Hello,
I own a Bavaria 37 Cruiser (3-cabin version) from 2006. Recently I filled the fuel tank completely with GTL diesel, and for the first time I discovered that the fuel tank fittings are leaking. Normally I never fill the tank to its maximum capacity, so this problem had never become apparent before.
While searching for information, I came across an old forum post so the problem is none? I am hoping someone could give me some advice.
I have read about the fuel tank grommets used on these tanks, but I am unsure how the fittings are constructed, especially the pickup tube that extends to the bottom of the tank.
My questions are:
1. Do you know how these fuel outlet fittings are assembled, including the tube that goes to the bottom of the tank?
2. If I remove the old, hardened grommets, is there a risk that the pickup tube will fall into the tank?
3. Which replacement parts did you use, and where can they be purchased?
Any information or advice you could provide would be greatly appreciated. It would help me a great deal in finding the best repair solution.
Thank you very much for your time.
Kind regards,
Hans Heinsius, Port Zelande, Holland
I own a Bavaria 37 Cruiser (3-cabin version) from 2006. Recently I filled the fuel tank completely with GTL diesel, and for the first time I discovered that the fuel tank fittings are leaking. Normally I never fill the tank to its maximum capacity, so this problem had never become apparent before.
While searching for information, I came across an old forum post so the problem is none? I am hoping someone could give me some advice.
I have read about the fuel tank grommets used on these tanks, but I am unsure how the fittings are constructed, especially the pickup tube that extends to the bottom of the tank.
My questions are:
1. Do you know how these fuel outlet fittings are assembled, including the tube that goes to the bottom of the tank?
2. If I remove the old, hardened grommets, is there a risk that the pickup tube will fall into the tank?
3. Which replacement parts did you use, and where can they be purchased?
Any information or advice you could provide would be greatly appreciated. It would help me a great deal in finding the best repair solution.
Thank you very much for your time.
Kind regards,
Hans Heinsius, Port Zelande, Holland
#48
Scuttlebutt / Feedback wanted: plain-languag...
Last post by KSF - June 24 2026, 01:39I have written a plain-language guide about following seas, surfing, broaching, bow-bury, pooping waves and pitchpole risk.
It is not meant as a finished authority. I would really like feedback from sailors with offshore or heavy-weather experience: what is wrong, what is missing, and what should be explained better?
Link:
https://sailingksf.com/?page=autopilot-sea-danger-guide
The guide is also background for a small autopilot/sensor project I am building, but this page is mainly seamanship-first.
Stay safe
Knut
#49
Bavaria Yacht Help! / Re: Suunto compass bellows rep...
Last post by MarkTheBike - June 23 2026, 17:06Hi guys
Thanks for the replies; yep, I appreciate a lot of these fixes have stood up well but mine is still weeping oil very very very slightly from under the hoseclip and I don't want to tighten it any further as I'm sure I'm near the limit of what the plastic can take before it collapses. Perhaps the cup I chose wasn't as good as the ones others have used. Plus, of course, a replacement bellows would allow the bottom cover to be reattached. Well, it was worth asking - I'll just have to experiment. I'll write it up if I'm successful.
Thanks for the replies; yep, I appreciate a lot of these fixes have stood up well but mine is still weeping oil very very very slightly from under the hoseclip and I don't want to tighten it any further as I'm sure I'm near the limit of what the plastic can take before it collapses. Perhaps the cup I chose wasn't as good as the ones others have used. Plus, of course, a replacement bellows would allow the bottom cover to be reattached. Well, it was worth asking - I'll just have to experiment. I'll write it up if I'm successful.
#50
Bavaria Yacht Help! / Re: Suunto compass bellows rep...
Last post by Yngmar - June 21 2026, 17:36Ours is apparently still there too. Don't see why not, the €1 silicone cup material was tougher and thicker than the Suunto original plastic membrane.