1997 Yamaha YFM600FWAK ATV Service Manual, Page 212Get this manual
CONSTANT VELOCITY JOINTS AND DIFFERENTIAL GEAR .Install the bearing
CD onto the yoke
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Check each bearingThe needles can easily fall out of their racesSlide the yoke back and forth on the bearings; the yoke will not go all the way onto bearing if needle is out of place Press each bearing into the U-joint using suitable socketNOTE: The bearing must be inserted far enough into the U-joint so that the circlip can be installed Install the circlips each bearing
into the groove of