BMW K bikes (Bricks)

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1Back to top Go down   1985 K100RS radiator needed. Empty 1985 K100RS radiator needed. Fri Apr 30, 2021 10:37 pm

RS Rider

RS Rider
active member
active member
Desperately needed in Canada, a 3-core for my bike. Just been through two previously purchased, both of which leaked. HELP!

    

2Back to top Go down   1985 K100RS radiator needed. Empty Re: 1985 K100RS radiator needed. Fri Apr 30, 2021 11:37 pm

RicK G

RicK G
admin
admin
Use a 2 row core they work just fine. BMW changed to the 2 row core without any problems around 1984 and used them right through to the end of the K1100s


__________________________________________________
"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 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki
    

3Back to top Go down   1985 K100RS radiator needed. Empty Re: 1985 K100RS radiator needed. Sat May 01, 2021 12:22 am

RS Rider

RS Rider
active member
active member
@RicK G wrote:Use a 2 row core they work just fine. BMW changed to the 2 row core without any problems around 1984 and used them right through to the end of the K1100s
Okay. I’ll take what I can get my hands on then. Any idea why BMW went from a 3-row core to a 2-row core? With a 2-row there would be less coolant in the airstream at any given time provided that the tubes that the coolant flows through are the same size as the 3-row, correct? And I would think that while driving at slower speeds the engine would run hotter. I’ve digressed, but I wonder if BMW thought the engine was being over-cooled?

Thanks for the reply.

    

4Back to top Go down   1985 K100RS radiator needed. Empty Re: 1985 K100RS radiator needed. Sat May 01, 2021 3:09 am

RicK G

RicK G
admin
admin
I've had both in a K100 and K1100 and didn't seem to make any difference. They probably figured that it didn't need the 3 row core.


__________________________________________________
"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 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki
    

5Back to top Go down   1985 K100RS radiator needed. Empty Re: 1985 K100RS radiator needed. Sun May 02, 2021 1:51 am

gorio

gorio
Silver member
Silver member
There is always this.
https://www.ebay.ca/itm/333723246442

There is some recent discussion on here about it.
https://www.k100-forum.com/t16590-ebay-aluminum-radiator-thoughts


__________________________________________________
1992 K100rs 16v
1997 R1100rt
2006 R1200rt
Past lives
Kawasaki Concours
1976 BMW R90s
1975 Ducati 860gt
1992 Honda VFR750
1985 Honda VF750
1982 Kawasaki 750GPZ
1975 Norton 850 Commando
    

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