2002-2006 Yamaha YFR450FAR Service Manual LIT-11616-16-01, Page 191Get this manual
CRANKCASE G Remove
the left crankcase
CAUTION:
Use soft hammer to tap on one side of the crankcaseTap only on reinforced portions of the crankcaseDo not tap on the crankcase mating surfacesWork slowly and carefullyMake sure that the crankcase halves separate evenlyG Remove