2005-2011 Honda FourTrax Foreman TRX500 FE/FPE/FM/FPM/TM Service Manual, Page 112Get this manual
LUBRICATION SYSTEM mounting bolts collars
lower oil cooler
Install the lower oil cooler with the collars and
mounting bolts, and tighten the bolts
Coat new O-rings with oil and install them onto the
oil pipesInstall the oil pipes onto the lower oil cooler and
tighten the four bolts securelyInstall the cooling fan (page 5-9), Fill the crankcase with the recommended engine oil (page 4-13L