BMW K bikes (Bricks)

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1Back to top Go down   Fuel tank leak on K-100 RT Empty Fuel tank leak on K-100 RT on Thu Feb 05, 2015 8:22 pm

Beemer Wheeler

Beemer Wheeler
Gold member
Gold member
Well, after almost 10.000 Km of unspoiled fun riding on my faithful "Katie", I discovered a gas leak coming from under the tank.
I managed to replace the hardened and flatened 29 years old O ring on the base plate of the fuel gauge without removing the fairing Very Happy
I had to remove the left glove box and inside of the fairing and the seat plus the tank cap.
The real pain was to disconnect the wires of the fuel pump in the cramped space of the tank in "blind" mode as my wrist passed trough the apperture of the removed gas cap.
Finally pulled the "joint" (O ring) clear of the wires and float arm.
Put the new vaseline coated joint in place and reconnected the pump wires.
Making sure the spring washers are in place, and the nuts are tight enough to avoid sparks in the gas tank. What a Face 
All is well now and she's ready for an oil change in the next few days.
My model has the fuel pipe in front of the tank, my local BMW motorad dealer told me some bikes have it in the rear, making it possible to remove the tank without removing the inner fairing.
But by tilting the tank I didn't need to disconnect this pipe.  Cool
The journey never ends...

The Beemer Love Story goes on...  ❤

Fuel tank leak on K-100 RT Dsci0010


Fuel tank leak on K-100 RT Dsci0012


Fuel tank leak on K-100 RT Dsci0011


Fuel tank leak on K-100 RT Dsci0013

N.B:  I broke the joint after removal as I tested it's foregone flexibilty.


__________________________________________________
1986 K 100 RT "K-T" short for "Katie" 117.000 Km
   Fuel tank leak on K-100 RT 2cr0y2r  Fuel tank leak on K-100 RT 116p8ic
2012 Yamaha YFL 381 (Flute)
2005 Yamaha PSR E-203 (Keyboard Synth).
2012 Yamaha 7 HP outboard engine
"Beemer Wheeler" Certified Brick Aviator since July 2013
Ham radio call sign ON7BAS
http://h2fuel.mobi
    

2Back to top Go down   Fuel tank leak on K-100 RT Empty Re: Fuel tank leak on K-100 RT on Thu Feb 05, 2015 11:41 pm

blaKey

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Life time member
Life time member
Yep, there's always something, but yours was an easy fix.


__________________________________________________
Neil
K100RS 1986 RED!

Dress for the ride and the potential slide.
    

3Back to top Go down   Fuel tank leak on K-100 RT Empty Re: Fuel tank leak on K-100 RT on Fri Feb 06, 2015 11:44 am

Beemer Wheeler

Beemer Wheeler
Gold member
Gold member
@blaKey wrote:Yep, there's always something, but yours was an easy fix.

Yeah, I was lucky, the local dealer told me it could be cracks in the aluminum tank, scary.
It was inexpensive to fix € 2.50 total.

In case someone need to weld a gas tank, the safest way is to blow nitrogen or argon in it to ensure there is no oxygen left inside, so that the tiniest fumes of remnant gas can't ignite.


__________________________________________________
1986 K 100 RT "K-T" short for "Katie" 117.000 Km
   Fuel tank leak on K-100 RT 2cr0y2r  Fuel tank leak on K-100 RT 116p8ic
2012 Yamaha YFL 381 (Flute)
2005 Yamaha PSR E-203 (Keyboard Synth).
2012 Yamaha 7 HP outboard engine
"Beemer Wheeler" Certified Brick Aviator since July 2013
Ham radio call sign ON7BAS
http://h2fuel.mobi
    

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