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Topic starter
A pair of '76 R90/6 that had left years ago with a bike I sold wandered back home.
Can anyone advise on interchangeability with a R75/6?
Thanks,
George Little
Posted : 10/28/2018 12:09
Most likely they will fit just fine. You might try looking on an on-line fiche like Max BMW's web site and see if the part number for the head casting is the same.
former Airmarshal, IL.
Posted : 11/04/2018 09:35
Topic starter
Thanks, JS. Not the same casting number, but they use the same head gasket. Found a thread addressing their interchangeability - same camshaft, basically same jetting, just slightly larger intake valve. Apparently an efficient swap.
GL
Posted : 11/04/2018 12:15
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