2001-2005 Honda TRX250EX Sportrax TRX250EX Factory Service Manual, Page 172Get this manual
CRANKSHAFT ITRANSMISSION INSTALLATION Install the crankshaft into the rear crankcaseInstall the hreaded adapter onto the rear crankshaftTOOL:
Threaded adapter
07965-KA30000
07VMFHM8010A (U.S.Aonly)
Draw the crankshaft into the feaf crankcase bearing inner race using the special toolsTOOLS: Assembly collar Assembly shaft
07965VM00100 07965VM00200
07931ME4010B (U.S.Aonly) and
Special nut