2007 Arctic Cat Four-Stroke Factory Service Manual, Page 97Get this manual
Assembling Engine (1100 cc Z1)
! NOTE: Arctic Cat recommends that new gaskets, seals, and O-rings be installed whenever assembling the engine! NOTE: For assembling purposes, it is advisable to use oil-disolvable molybdenum disulfide grease as engine-assembly grease
BInstall the #2 compression ring so the letters on the top surface of the ring face the dome of the pistonCInstall the #1 compression L-ring into the top groove with the face of the ring directed upwardDRotate the rings until the ring end gaps are no less than 90 from one another
! CAUTION
Incorrect installation of the piston rings will result in engine damage
1Install one piston pin circlip into one of the pistons making sure the open end is directed either up or downPlace the connecting rod in position making sure the identification number on the rod cap (A) is aligned with the intake side of the piston (B)
! NOTE: Prior to installing the pistons, make sure the oil ring end gaps are on directly opposite sides of the piston, and the compression ring end gaps are 90 from one another