2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 185Get this manual
CLUTCHGEARSHIFT LINKAGE Coat new O-rings with engine oil and install them onto the oil cooler hose joints
Connect the oil cooler hoses into the crankcase cover and tighten the joint boltsInstall the following:FE model: shift control motor and reduction gears (page 22-20)left engine cover (page 3-15)right engine cover (page 20-11)engine guard (page 3-12)cooling fan (page 5-7) Adjust the clutch system (page 4-19)Fill the crankcase with the (page 4-12)recommended oil