2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 159Get this manual
CYLINDERPISTON
CYLINDERPISTON INSTALLATION
PISTON RING INSTALLATION
Carefully install the piston rings into the piston ring grooves with the markings facing upNOTE: Do not confuse the top and second rings To install the oil ring, install the spacer first, then install the side railsStagger the piston ring end gaps 120 degrees apart from each otherStagger the side rail end gaps as shownTOP RING SECOND RING OIL RING "RN"
SIDE RAILS