2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 228Get this manual
CRANKCASETRANSMISSIONCRANKSHAFTBALANCER Insert the output shaft into the crankcase while turning it slowly to avoid damaging the oil sealBe sure to install the shaft against the bearing in the crankcaseInstall the driven gear onto the output shaftDRIVEN GEAR
OUTPUT SHAFT Install the spacer, output shaft drive gear and washer onto the countershaftDRIVE GEAR