2007-2009 Kawasaki KFX50 service manual, Page 159Get this manual
11.CRANKSCASECRANKSHAFT Clean off all gasket material from the crankcase mating surfacesAvoid damaging surfacesthe crankcase mating
CRANKSHAFT INSPECTION Measure the connecting rod small end I.DService Limit: 13.06 mm (0.5224 in)
Measure the connecting rod small end free play (A)Service Limit: 0.6 mm (0.024 in) Measure the crankshaft run out (B)Service Limit: 0.1 mm (0.004 in) Measure the connecting rod big end side clearance (C)Service Limit: 0.05 mm (0.002 in) Measure the crank width (D)Out of specification: 42.1542.2 mm (1.6861.688 in)