Measuring Main And Big End Bearing Play - BMW R 1100 RT Repair Manual

Measuring main and big end bearing
play
easuring radial bearing play
•
Measure main bearing journal with an external
micrometer crosswise in two planes, A and B.
•
Enter measured values on record sheet.
See Technical Data.
a
e
Caution:
The crankshaft can only be reground in
grinding stage 0; after this it must be rehardened
and finished. Grinding stages are identified by a
paint mark on the front crank web.
a See Technical Data
If the bearing shells have to be replaced, note
colored marks on crankpins and big end bearings.
11.78
RS110310