BMW K bikes (Bricks)


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1Back to top Go down   petrol tank Empty petrol tank Thu Apr 26 2012, 04:34

lesso

lesso
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have to remove tank. just a few questions . have unplugged all electrics from battery petrol ignition etc. worried as i have petrol still in tank. can this be filtered off before removel and if so how.

it,s k100rt 1987 model. also any tips on removel need to fit new radiator thereafter so also looking for tips

i do have manual but not great at understanding the explanations and pics.

thanks lesso look forward to your help

    

2Back to top Go down   petrol tank Empty Re: petrol tank Thu Apr 26 2012, 05:37

CanberraDave

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Lesso,

Don't know what others think but I have had my tank off a few times with fuel in it and no problem. If you want to work on the tank itself, maybe you could disconnect the fuel hose where it joins the fuel rail. Put it in a container and used the starter button to pump the tank out. You will need to leave some fuel in though to make sure the pump doesn't pick up any grunge from the bottom of the tank. The fuel comes out pretty fast. I forgot to hook up the fuel hoses once and turned it over. Made a hell of a mess on the shed floor.


__________________________________________________
Canberra Dave
00 R1100RT
6/89 K100RT (RIP)
VIN # 0097704

What happens if you get scared half to death twice?

    

3Back to top Go down   petrol tank Empty Re: petrol tank Thu Apr 26 2012, 05:45

charlie99

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hi lesso ...i carry with me about a foot of low grade fuel hose (8mm internal diameter 5/16"?)

what i do is 1 >undo the return line and put one end of the extra pipe on there first ...doesnt have to be tightened off with a clamp ,,, 2> undo the feed line, block the outlet hole quickly with a finger and put the other end of the pipe on there ...then the hole thing is secure and no leaks any where .....it works for me


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O
'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
1987 k100rs ########   "Red"  - (red sports rs TWB style )
1989 K100rt #009637   "Black Betty"  (naked rt ala Nigel , now sporting an rs main fairing )
    

4Back to top Go down   petrol tank Empty Re: petrol tank Thu Apr 26 2012, 05:58

Inge K.

Inge K.
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Remove the fuel pump fuse (#6), then start the engine.
To relieve fuel pressure, before disconnecting hoses.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

5Back to top Go down   petrol tank Empty Re: petrol tank Thu Apr 26 2012, 07:01

blaKey

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I'd mention the the two "mounting posts" on the frame at the rear of the tank. Early models (pre '86) had the single bolt (correct me if I am wrong).
Some have metal clips on the posts to hold the tank in place, some don't; they just have the rubbers.
Obviously remove the clips if they are there.
Lift up your seat and have a look.


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Neil
K100RS 1986 RED!

Dress for the ride and the potential slide.
    

6Back to top Go down   petrol tank Empty Re: petrol tank Thu Apr 26 2012, 07:51

caferacer62

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What Charlie said + 1.
Actually it was him who put me onto it. Works a treat minimum fuel spilt and you can hook it back up easy as.


__________________________________________________
Bert 2.0

Don't give in to the Black Dog!
"A Zorst, a zorst my kingdom for a Zorst"

petrol tank 170874
    

7Back to top Go down   petrol tank Empty petrol tank Thu Apr 26 2012, 11:32

lesso

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stil trying to locate clips cant see how its fitted

    

8Back to top Go down   petrol tank Empty Re: petrol tank Thu Apr 26 2012, 15:40

Crazy Frog

Crazy Frog
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lesso wrote:stil trying to locate clips cant see how its fitted

Here they are (part # 15)

petrol tank Gas_ta10


__________________________________________________
petrol tank Frog15petrol tank Logo2101986 k75, 1985 K100rt, 1985 K100rt/EML GT2 sidecar, 1999 K1200lt/Hannigan Astro Sport sidecar.
    

9Back to top Go down   petrol tank Empty petrol tank Fri Apr 27 2012, 01:28

lesso

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thanks for the diagram very helpful

    

10Back to top Go down   petrol tank Empty Re: petrol tank Fri Apr 27 2012, 01:51

blaKey

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Thanks for clarifying that Crazy Frog!


__________________________________________________
Neil
K100RS 1986 RED!

Dress for the ride and the potential slide.
    

11Back to top Go down   petrol tank Empty Re: petrol tank Fri Apr 27 2012, 04:56

mike d

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Lesso,

The following are two of a few parts list sites, which can be helpful in cases such as this.

http://www.maxbmwmotorcycles.com/fiche/DiagramsMain.aspx?vid=51765&rnd=03192010

http://www.realoem.com/bmw/select.do


Mike

    

12Back to top Go down   petrol tank Empty Fuel tank removal Sat Sep 01 2012, 06:51

alansykes

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Inge K. wrote:Remove the fuel pump fuse (#6), then start the engine.
To relieve fuel pressure, before disconnecting hoses.

From ALan in Mojacar, s.e. Spain ( K75 1995 )

Great tip from Inge of how to relieve the 1-bar or so pressure in the early K-bikes' tank before removal. I've been recommended some magic aerosol fluid ( Fluid Film, distributed by Graingers world-wide) to protect mechanical and electrical interfaces. My pal George at Carcoon who's into classic vehicle protection says it's great for keeping the dreaded moisture at bay when the weather turns. In fact he markets an almost exactly similar product called CSF, so in advance of winter I'd like to treat all the various interfaces under the tank with it. I've previously managed to lift up the rear of the tank and slide it back a bit to get into the relays box, but never dared actually to lift it off the bike and away to lay it aside on something nice. Would make it easier to replace the air filter of course, and mess around with the fuel filter, pump, etc.

Further tips for tank removal, anybody please ?

http://www.voiceoversbysykes.com
    

13Back to top Go down   petrol tank Empty Re: petrol tank Sat Sep 01 2012, 08:01

Inge K.

Inge K.
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alansykes wrote: I've previously managed to lift up the rear of the tank and slide it back a bit to get into the relays box,

When you have reached that far............

the only thing next needed to be done is to disconnect the fuel hoses and the electrical connector.........

and lift the tank off the bike.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

14Back to top Go down   petrol tank Empty fuel tank removal Sat Sep 01 2012, 08:36

alansykes

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OK Inge - many thanks once more. So that's my homework for later today when the day cools back to 25 degrees and the effects of the lunchtime bottle of tinto wear off....

http://www.voiceoversbysykes.com
    

15Back to top Go down   petrol tank Empty Fuel tank removal Sat Sep 01 2012, 08:41

alansykes

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charlie99 wrote:
1 >undo the return line and put one end of about a foot of low grade fuel hose (8mm internal diameter 5/16"?)
on there first ...

2> undo the feed line, block the outlet hole quickly with a finger and put the other end of the pipe on there ...then the whole thing is secure and no leaks

SO you're effectively making a loop, Charlie, yes ??

ALan in Mojacar

http://www.voiceoversbysykes.com
    

16Back to top Go down   petrol tank Empty Re: petrol tank Sat Sep 01 2012, 10:10

charlie99

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yes indeed alan .

have fun !



Last edited by charlie99 on Sat Sep 01 2012, 11:16; edited 1 time in total


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O
'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
1987 k100rs ########   "Red"  - (red sports rs TWB style )
1989 K100rt #009637   "Black Betty"  (naked rt ala Nigel , now sporting an rs main fairing )
    

17Back to top Go down   petrol tank Empty Re: petrol tank Sat Sep 01 2012, 11:13

BIG D

BIG D
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Cool

Good idea charlie, will make a note of that petrol tank 112350



BIG D

    

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