BMW K bikes (Bricks)

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1Back to top Go down   How old is my bike? Empty How old is my bike? Sat Apr 18, 2015 3:52 am


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I'm in the process of replacing the fuel tank after a slight leak (more of an ooze than a drip) from the old tank.

While the fairing and old tank are off I decided to check the fuel lines to find the they are dated 1985 affraid. They've now gone and shiny new ones are fitted.

Under the airbox there was a manufacturing stamp on top of the engine block that also said late 1985 Question.  Several other date stamps on other components are from around the same time.

None of these would be an issue except the bike is recorded as first registered in August 1988 and, on checking the VIN is noted to be a February 1987 build.

Did BMW build bikes with 18 month old parts?


2Back to top Go down   How old is my bike? Empty Re: How old is my bike? Sat Apr 18, 2015 4:00 am


probably when the master positive cast was made ...not necessarily the pore date for the cast of your engine ,,although it could be correct ,,,and the parts not being assembled till the manufacture date ...ill guess its about the supply and demand chain to various markets ?

I have a few heads here with very similar casting marks ...although I know one comes from 84 from 86  and another from 87- 88 sold to market 

to me the earlier year  series casts appear better conformity  than later years

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 )

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