2006 Arctic Cat ATVs factory service and repair manual, Page 76Get this manual
2Using the Standard Valve Guide Reamer (pln 0444-017), remove any burrs or tight areas from the valve guide journals Valve SeaVGuide Servicing Flow Chart
3To install valve guide, use valve guide installer and gently drive valve guide with retaining clip into the bore from the valve spring side until the retaining clip just contacts the cylinder head
Grinding Valve Seats
H NOTE: If the valve seat is beyond servicing, the cylinder head must be replaced