2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 218Get this manual
CRANKCASETRANSMISSIONCRANKSHAFTBALANCER Check the gears for freedom of movement or rotation on the shaftApply engine oil to the mainshaft and countershaft journalsEngage the mainshaft and countershaft gearsCOUNTERSHAFT
MAINSHAFT Position the crank weights so that they do not interfere with the mainshaftBe sure to install Install the mainshaft and countershaft assemblies the thrust washer as set into the rear crankcaseon the mainshaft