11.42 RS110310 Measuring main and big end bearing play Measuring radial bearing play • Measure main bearing journal with an external micrometer crosswise in two planes, A and B. • Enter measured values on record sheet. a ............................................See Technical data 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. a ................................See Technical data If the bearing shells have to be replaced, note color- ed marks on crankpins and big end bearings.