2001-2005 Honda TRX250EX Sportrax TRX250EX Factory Service Manual, Page 252Get this manual
REAR DRIVING MECHANISM CASE COVER BEARING:
Remove the oil sealDrive the ring gear bea ring out of the case cover
Drive each bea ring into th case and cover usi ng the
specialloolsTOOLS:
Gear Case:
Attachme nt62 68 mm Pilot, 40 mm
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TOOLS: Case Covar: Driver