2009-2010 Polaris RZR Factory Service Manual, Page 77Get this manual
ENGINE Cylinder Head Disassembly
1Carefully remove the cylinder components4Remove valve guide sealsIMPORTANT: It is recommended to replace seals whenever the cylinder head is disassembledHardened, cracked or worn valve seals will cause excessive oil consumption and carbon buildup5Mark the valves with white penRemove the valves from the cylinder headThis will ensure that the valves are properly placed during engine reassembly2Place the hydraulic lifters (C), pushrods (D), and rocker arms (E) in safe, clean area3Measure free length of spring with Vernier caliperCompare to specificationsReplace spring if measurement is out of specification