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Old 09 December 2016, 13:10   #1
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Osprey Help

Went out today to enjoy what might be the last of the warm weather. It really is great this time of year, no crowds, no hassle, and the bonus today was warm weather
Got back and cleaning the boat down I took out the hull drain plug and bugger, it was petrol that came out Just a trickle mind
So, before I look at it, have any Osprey owners ever had any issues with the fuel tank?
Hopefully it is just a fuel line, but I thought it might be worth knowing if anyone has experienced what for me would be the worst possible outcome.
I guess this is one instance where I will be happy if no-one replies.
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Old 09 December 2016, 14:05   #2
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nothing ever comes out of mine .you didn't maybe have a little spillage last time you re fuelled her ??
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Old 09 December 2016, 14:47   #3
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With the way that most Vipermax are laid out, it would be difficult for a fuel spillage to get into the hull void. But thanks for the reply (even if I was hoping for a nil response )
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Old 09 December 2016, 14:56   #4
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I seem to recall that Mollers and a few of his disciples had problems with weepy gaskets on inspection hatches? I've experienced breakdown in old filler hoses too - so worth pouring in a few litres and inspecting the hose immediately after.
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Old 09 December 2016, 17:43   #5
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I have the same issue with my viper , i found that in a bit of a swell and the fuel tank is full the fuel leaks out of the sender unit on the fuel tank and ends up coming out the drain plug when i open it.
Its maybe worth a look.
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Old 10 December 2016, 17:24   #6
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Never had an issue with mine. All the connections are above deck level in the console so if any gaskets or joints leaked the resultant fuel would end up in the console not the bilge. Is yours different?
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Old 10 December 2016, 18:13   #7
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Never had an issue with mine. All the connections are above deck level in the console so if any gaskets or joints leaked the resultant fuel would end up in the console not the bilge. Is yours different?
No, mine is as yours, all connections are within the sealed in lower section of the console, itself above deck. So, I think it must be either a fuel line issue within the below deck trunking (which has a drain hole into the hull void) or a serious structural failure of the tank itself. It was this last that I wanted to see if anyone has experienced such a thing. Knowing how well the rest of the boat has been made, I would be seriously shocked at a tank failure.
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Old 11 December 2016, 11:58   #8
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Hmmmm, can you turn off the fuel feed isolator tap in the consol in case its the fuel line?
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Old 11 December 2016, 12:48   #9
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No, mine is as yours, all connections are within the sealed in lower section of the console, itself above deck. So, I think it must be either a fuel line issue within the below deck trunking (which has a drain hole into the hull void) or a serious structural failure of the tank itself.
Hopefully Occam's Razor will apply and it will be something simple like a perished or damaged fuel hose in the underdeck ducts.
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Old 12 December 2016, 07:04   #10
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So, I think it must be either a fuel line issue within the below deck trunking (which has a drain hole into the hull void) .
I think this is probably the most likely. We had a leaky oil line a few years ago and there was always a bit of oil in the void.

If you have an access hatch looking down into the hull at the stern it might be an idea to see if there are any fuel stains where it has been running. There are a number of different points which drain into the central void, and establishing which one the fuel is coming from might allow you to eliminate the tank as the source.
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