Measuring Main Bearing Play; Measuring Radial Bearing Play - BMW R 1150 RT Repair Manual

Measuring main bearing play

11 21

Measuring radial bearing play

•
Measure main bearing journal with an external
micrometer in two planes, A and B, at right an-
gles to each other.
•
Enter measured values on record sheet
( 11.9).
a
e
Attention:
The crankshaft can only be reground in stage 0, and
must be hardened and finished afterwards. Grinding
stages are identified by a paint mark on the front
crank web ( 11.9). If the bearing shells have to be
a
replaced, note coloured marks on crankpins and big
end bearings.
11.44
RS110310