BMW K bikes (Bricks)

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1Back to top Go down   Rookie question - bellhousing Empty Rookie question - bellhousing on Mon Aug 11, 2014 7:23 pm

blimp

blimp
active member
active member
Hi all, thinking of using a K engine for another purpose, not familiar with these engines and wondered if you could tell what the circular section on the left of the bellhousing does (when looking at the clutch bell housing with the gearbox detached, from the back of the bike) On K100 and K1100 engines there is a circular part cast into the casing, with two smaller circles inside it, what does that do? 

https://servimg.com/view/17722537/45

It doesn't seem to be there on k1200's?! The whole 'ear' section of the casing is different on k1200's. 

Lastly, are the bellhousing's interchangeable across the models? Ignoring the gearbox, at this stage, bellhousing to engine block wise?

Thanks all.



Last edited by blimp on Mon Aug 11, 2014 7:39 pm; edited 2 times in total

    

2Back to top Go down   Rookie question - bellhousing Empty Re: Rookie question - bellhousing on Mon Aug 11, 2014 8:29 pm

92KK 84WW Olaf

92KK 84WW Olaf
Life time member
Life time member
My friend here said a brick K1200 six speed transmission and flnal drive would fit a K100. But the transmission frame mounting differs so a frame modification is required. He is ex BMW. But if you are using it for a different purpose then you may be ok.


__________________________________________________
1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 58,645 now 98,780 miles
1983 K100RS 0011171 Fricka 29,495 miles Damn K Pox Its a Bat outta Hell No 32,600 miles
    

3Back to top Go down   Rookie question - bellhousing Empty Re: Rookie question - bellhousing on Mon Aug 11, 2014 9:03 pm

RicK G

RicK G
VIP
VIP
The intermediate housings are interchangeably, I know of several K1200 engines in earlier bricks.


__________________________________________________
"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 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

4Back to top Go down   Rookie question - bellhousing Empty Re: Rookie question - bellhousing on Mon Aug 11, 2014 9:09 pm

92KK 84WW Olaf

92KK 84WW Olaf
Life time member
Life time member
@RicK G wrote:The intermediate housings are interchangeably, I know of several K1200 engines in earlier bricks.
The same thing the other way round. Engine swap is easier because mountings are the same.


__________________________________________________
1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 58,645 now 98,780 miles
1983 K100RS 0011171 Fricka 29,495 miles Damn K Pox Its a Bat outta Hell No 32,600 miles
    

5Back to top Go down   Rookie question - bellhousing Empty Re: Rookie question - bellhousing on Tue Aug 12, 2014 2:34 am

gladstone sa old fart

gladstone sa old fart
Silver member
Silver member
@blimp wrote:Hi all, thinking of using a K engine for another purpose, not familiar with these engines and wondered if you could tell what the circular section on the left of the bellhousing does (when looking at the clutch bell housing with the gearbox detached, from the back of the bike) On K100 and K1100 engines there is a circular part cast into the casing, with two smaller circles inside it, what does that do? 


Thanks all.
To me ( & I go back to my first K100 in 1986) it looks like BMW where going to fit a car type starter motor in there but changed there mind in production.

PJ ( AKA grandad )

http://pjingladstonesa.blogspot.com
    

6Back to top Go down   Rookie question - bellhousing Empty Re: Rookie question - bellhousing on Tue Aug 12, 2014 2:50 am

RicK G

RicK G
VIP
VIP
I have heard but I really don't know if it is right that Skoda used the K 100 engines in a car at some time. It certainly looks like where a starter motor would go but on the outside there is no room for the actual motor as the space that it would take is already full of engine.
I have never heard an explanation for that marking but there surely was a plan there when it was done.


__________________________________________________
"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 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

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