2004 Ski-Doo Elite Factory Service Manual, Page 146Get this manual
Section 04 ENGINE Subsection 08 (CYLINDER HEAD AND VALVES)
Installation
For installation, reverse the removal procedurePay attention to the following detailsColored area of the valve spring must be placed on topNOTE: Valve cotters must be properly engaged in valve stem groovesR1503motr105A
1Valve spring retainer 2Inner valve spring 3Outer valve spring
Inspection
Check valve springs for rust, corrosion or other visible damagesIf so, replace faulty valve springsCheck valve springs for free length and straightnessReplace valve springs if not within specifications