2004 Ski-Doo Elite Factory Service Manual, Page 138Get this manual
Section 04 ENGINE Subsection 08 (CYLINDER HEAD AND VALVES)
R1503motr291A
1Spark plug tube
R1503motr85A
rocker arm shaft screws no8Discard screws
1Oil supply from the camshaft to the rocker arm shaft, then to the rocker arms and finally to the valve adjustment
Inspection
Spark Plug Tube Check seals on spark plug tubeIf seals are brittle, cracked or hard, replace spark plug tube3 2
R1503motr291B