Husqvarna 50 Workshop Manual page 54

Mount tool P/N 5025161-01 on the clutch side of the
crankshaft and crankcase. Separate the crankcase
halves by pressing the crankshaft out of the right crank-
case half.
Mount the tool on the left crankcase half and press out
the crankshaft.
Remove the crankshaft bearings from the crankcase
halves by heating up the crankcase around the crank-
shaft bearing then pressing the bearing out of the case.