BMW K bikes (Bricks)

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jjefferies

jjefferies
Gold member
Gold member
Hi,
Getting my new tank working. One last detail. What size of Roundel to use?
I've measured the old tank's roundel and my other K75's tank roundel and
come up with 70mm. But on Max BMW's website I'm seeing 60 mm.
https://shop.maxbmw.com/fiche/DiagramsMain.aspx?vid=51741&rnd=09082020
 Part number: 52 53 7 686 464 BADGE - D=60MM

Any comments? Bigg'un or Little'Un?

Another aside. From EME I purchased
Submersible Fuel Hose BMW K Bike, Oilhead ; 16 12 1 180 040 / EnDuraLast
https://www.euromotoelectrics.com/product-p/fp-hosekit.htm

Looked like a reasonable product and a good deal cheaper than the regular hose.
I bought and installed it. First ride out heard a real weird
drumming sound at about 2K rpm. Stopped my ride and took the bike home.
Opening up the tank (no flapper) I see the fuel filter vibrating like heck in
the full fuel. I put my finger on the filter to stop it and the sound disappears.
An hour later I've removed the EME thingie and replaced it with the hose
from my 1st tank. No noise now. Problem apparently comes about because
EME supplies you with two of the accordion pleated hose and this allows the
fuel filter too much space or something. The older system had a very short
piece of hose that ran from the filter to the pipe that carries the pressurized
fuel out to the fuel rail. And a very long piece of hose that ran from the pump
to the fuel filter.  I couldn't tell but it may be that use of two lengths of the
EME EnDUraLast material was a bad combination. Anyway I've got the
problem under control for the moment.

best regards
J.

    

RicK G

RicK G
admin
admin
The correct Roundel is 70mm but I have used 68mm roundels that are for BMW car wheel centres. I get them from Ebay for about quarter the price of the 70mm ones.


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 2004 K1200GT 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki
    

jjefferies

jjefferies
Gold member
Gold member
@RicK G wrote:The correct Roundel is 70mm but I have used 68mm roundels that are for BMW car wheel centres. I get them from Ebay for about quarter the price of the 70mm ones.
Sounds great. Will go looking.
thanks
J.

    

Laitch

Laitch
Life time member
Life time member
@jjefferies wrote:I've measured the old tank's roundel and my other K75's tank roundel and
come up with 70mm. But on Max BMW's website I'm seeing 60 mm.
https://shop.maxbmw.com/fiche/DiagramsMain.aspx?vid=51741&rnd=09082020
 Part number: 52 53 7 686 464 BADGE - D=60MM
That's because you were looking in the 52-Seat section Badge page at a roundel that goes elsewhere. You needed to look in the 16-Fuel Supply section at the Fuel Tank Attaching Parts page—one of two pages where tank parts are listed. You'll get the hang of it. It looks like Rick G has pointed you to a good deal anyway. cheers
K75 Tank submersible hose & Roundel size issue Fuel_s10

K75 Tank submersible hose & Roundel size issue Fuel_t13


__________________________________________________
1995 K75 81,000 miles
K75 Tank submersible hose & Roundel size issue Usa-lo10
    

jjefferies

jjefferies
Gold member
Gold member
@RicK G wrote:The correct Roundel is 70mm but I have used 68mm roundels that are for BMW car wheel centres. I get them from Ebay for about quarter the price of the 70mm ones.
Hi Rick,
I went looking. Most of the Roundels for wheel centres that I could find on ebay were like these:
https://www.ebay.com/itm/124311491288?hash=item1cf18ad2d8:g:0mwAAOSwbLVfRM-J
with flanges to hold the centres in place. Am I looking in the wrong place as Laitch posted?
Or were you thinking of doing something like modifying them to remove the flanges?

best
J.

    

RicK G

RicK G
admin
admin


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 2004 K1200GT 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki
    

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