2001-2005 Honda TRX250EX Sportrax TRX250EX Factory Service Manual, Page 254Get this manual
REAR DRIVING MECHANISM
FINAL DRIVE ASSEMBLY
_""'"'GEAR CASE OIL CAP RING GEAR BEARING
RING GEAR
FINAL GEAR RI GHT SH IM RING GEAR BEARING FINAL GEAR CASE COVER
NEEDLE BEARING
STO PPER RING
OIL SEAL
OIL SEAL
PINION GEAR INSTALLATION
Drive the pinion assembly into the gear caseTOOL: Oil seal driver