2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 303Get this manual

2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 303

29In crisscross pattern starting from the center and working outward, tighten the cap screws (from step 28) securely30Adjust
27Place the valve cover into positionNOTE: At this point, the rocker arms and adjuster screws must not have pressure on them
CWhile holding the valve adjuster dial in place, use the valve adjuster handle and loosen the jam nut; then rotate the tappet
adjuster screw clockwise until friction is feltDAlign the valve adjuster handle with one of the marks on the valve adjuster
dialEWhile holding the valve adjuster handle in place, rotate the valve adjuster dial counterclockwise until specified valvetappet
clearance is attainedNOTE: Rotating the valve adjuster dial counterclockwise will open the valvetappet clearance by 0.05