2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 173Get this manual

2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 173

CWhile holding the valve adjuster dial in place, use the valve adjuster handle and loosen the jam nut; then rotate the tappet
clearance by 0.05 mm (0.002 in per mark 27Install the four top-side cap screws with rubber washers; then install the remaining
cap screwsTighten only until snug FWhile holding the adjuster dial at the proper clearance setting, tighten the jam nut securely
with the valve adjuster handle30Place the two tappet covers with O-rings into position; then install and tighten the cap
screws securely 28In crisscross pattern starting from the center and working outward, tighten the cap screws (from step 27)
to specifications29Adjust valvetappet clearance using the following procedureNOTE: Use Valve Clearance 0444-078) for this
procedureAdjuster (pn ATurn the engine over until the piston reaches top-dead-center on the compression strokeBPlace the
valve adjuster onto the jam nut securing the tappet adjuster screw; then rotate the valve adjuster dial clockwise until the