Measuring Crankshaft Bearing Play; Measuring Radial Bearing Play - BMW R 1150 GS Repair Manual

Measuring crankshaft bearing play

Measuring radial bearing play

•
Measure main bearing journal with an external
micrometer in two planes, A and B at right an-
gles.
•
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 fin-
ished. Grinding stages are identified by a paint mark
on the front crank web.
................................ See Technical Data
a
When replacing the bearing shells, make sure that
the colour marks on the crankpins and big end bear-
ings match.
11.42
RS110310