1986-1989 Honda TRX250 FourTrax 250R Service Manual, Page 172Get this manual
REAR SUSPENSION '86, '87:
INSPECTION
Check the swingarm for damage and replace if necessaryCheck the swingarm pivot needle bearings, collars (After '87: collar), and dust sealscaps for wear or damage
(3) COLLAR
PIVOT BEARING REPLACEMENT ('86, '87)
Remove the inner pivot side collars with driftDrive out the pivot needle bearings and outer pivot side collars