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measure chain length at 3 dif-
ferent points.
Permissible chain length
max 144 mm (measured
centre to centre over 10
pins, chain pulled taut)
If the chain has stretched to the
maximum permissible length:
Consult a specialist workshop,
preferably an authorised
BMW Motorrad retailer.
https://www.motorcycle-manual.com/
Check whether a rivet head 1
has twisted out of line.
Rivet heads are parallel to the
chain centreline 2.
Chain riveting is OK.
If one or more rivet heads have
twisted out of line:
Consult a specialist workshop,
preferably an authorised
BMW Motorrad retailer.
9
189
z
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