2007-2010 Kawasaki Ultra 250X/260X/260LX PWC Factory Service Manual, Page 234Get this manual
6-36 ENGINE TOP END Cylinder, Pistons
.00 not mix up the top and second ring Install the top ring [A] so that the "R" mark [8] faces upOlnstall the second ring [C] so that the "RN" mark [0] faces upOApply molybdenum disulfide oil solution to the piston rings
at;: 60604S C
o If new piston is used, use new piston ring Install the piston with its marking hollow facing exhaust side Fit new piston pin snap ring into the side of the piston so that the ring opening [A] does not coincide with the slit [8] of the piston pin holeOApply molybdenum disulfide oil solution to the piston pins and piston journalsOWhen installing the piston pin snap ringcompress it only enough to install it and no more