2008-2010 Kawasaki KFX450R Factory Service Manual, Page 278Get this manual
9-30 CRANKSHAFTTRANSMISSION BearingsOil Seals
Bearing Replacement CAUTION
Do not remove the ball bearings unless it is necessaryRemoval may damaged themthe ball Removepress orbearing andor needle bearing outer race using puller
In the absence of the above mentioned tools, satisfactory results may be obtained by heating the case to approximately 93C (200F) max, and tapping the bearing in or out
CAUTION