2005-2011 Honda FourTrax Foreman TRX500 FE/FPE/FM/FPM/TM Service Manual, Page 184Get 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 ringinstall the spacer firstthen install the side railsStagger the piston ring end gaps apart from each otherStagger the side rail end gaps as showndegrees