2004 Bombardier Outlander 330/400 Factory Service Manual, Page 133Get this manual
Section 03 ENGINE Subsection 09 (CYLINDER AND HEAD)
thrust washers no16CAUTION: Pay attention not to lose thrust washers or drop them into the timing chain compartment1 1
Check adjustment screws for free movement, cracks andor excessive play
R400motr69A
1Free movement of adjustment screw top
R400motr67A
2 thrust washers Rocker arm (exhaust side) Cylinder head spark plug side Big taper to PTO side
Rocker Arm Shaft Check for scored friction surfaces; if so, replace partsMeasure rocker arm shaft diameter
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