BMW K bikes (Bricks)

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greenmachine61

greenmachine61
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Hi everyone,
I would need a confirmation that I don't have to syphon out my gasoline out of my fuel tank before removing it.
Also which lubricant do we use to put back the two hoses on the tank?
This sounds stupid, but no where there is a no mention of this. Books, forums...

A newbie K lover....

    

phil_mars

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I believe the later K's have a standpipe in the tank as opposed to a non-return valve in mine so short answer is you should not need to siphon the gasoline out.

As for the fuel hoses mine have always gone on dry with no problems and I have done it too many times. Having said that it might make it a damn sight easier to remove.


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Regards,
Phil
    

blaKey

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Yep, Phil is right...no need to drain the tank (the emptier the better, less weight).
I don't find there is a need to worry about the residual pressure in the lines unless you've just ridden the bike. Of course wait until the bike cools so it will reduce the chance of a fire.

Fuel hoses? Dry.

No such thing as a stupid question...you either know it or you don't.


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Neil
K100RS 1986 RED!

Dress for the ride and the potential slide.
    

Rickmeister

Rickmeister
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I agree...I've taken mine off many times. disconnect the plug onthe RHS rearish if the tank (supply to fuel pump, low fuel alarm), disconnect two hoses on the front LHS of the tank, and disconnect the earth strap, also on the LHS middle underside of the fuel tank. Mine hasn't got the two circlip doo-dads on the two spigots which hold it in place. Simply lift the rear of the tank and then pull it towards the rear. A small amount of fuel is spilt, but not a lot to fret about. I don't lube the hoses either.

    

Stout

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So why, when I attempted this a couple of weeks ago after reading this thread, did fuel POUR out of the front spigot as soon as I removed the hose and kept doing so until I managed to get it back on? Tank was only about a quarter to a third full.

    

Guest

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I use fuel hose clamp tools like this and have never had an issue, except when I left one slightly loose on a spare tank, which leaked, and stunk up the place while I was away, and the vapours nearly asphyxiated my neighbours upstairs. Oops.

I yanked the tank off the other day with about a third full of petrol remaining, no dramas.

Need confirmation in regard of removing my gas tank Fuelho10

    

ReneZ

ReneZ
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Stout, very simple, the original tanks had a non-return valve in the pipe piece that was screwed into the tank. The spring loaded valve (little ball bearing) was considered cause of some noise at times and removed, therefore allowing the tank to drain as you describe. The later tanks were modified where the return pipe stub continued in the tank up to the tank top and therefore prevented draining the tank in a different way.
I have had leaking fuel hoses and the fact that you could drop a whole tank content on the bike at the side of the exhaust wouldn't give me a very warm feeling......(well, it could when things go wrong - getting warm that is!)


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Greetings from Florida! Having a 'new' K  :cyclops:    Surprised-o: 

Rene


BMW K100 - 1985 (0030029) Need confirmation in regard of removing my gas tank Rain
BMW K1200GT - 2003 (ZK01223)
    

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