2003 Suzuki LT-Z400 Factory Service Manual, Page 97Get this manual
" Install the oil last
the 2nd ring second, and the 1st ring
NOTE: ,The 1st and 2nd 2' piston rings differ in shape The 1st and 2nd rings should be installed with the mark facing up"
install spacer into the oil ring groove, and then install the two side rails Ttle spacer and side rails do not have and bottomThey can be installed in any