2004 Bombardier Rally 200 Series Shop Manual, Page 126Get this manual
Section 03 ENGINE Subsection 08 (CYLINDER AND HEAD)
Inspection
Rocker Arm Inspect each rocker arm for cracks and scored friction surfacesIf so, replace rocker arm assemblyCheck the rocker arm rollers for free movement, wear and excessive radial playReplace rocker arm assembly if necessary2 1
R175motr71A
1Free movement of adjustment screw top
Rocker Arm Shaft Check for scored friction surfaces, if so, replace partsMeasure rocker arm shaft diameterA
R175motr70A
1Rocker arm (exhaust side) 2Roller ABore for rocker arm shaft