Valve Guide: Service and Repair

Valve Guide Inner Diameter





1. Measure the inner diameter of the valve guides in two directions where indicated.
^
2. If the valve guide is not within specifications, ream the valve guide and install a valve with an oversize stem or remove the valve guide and install a new valve guide.

Valve Guide Reaming





1. Use a hand reaming kit to ream the valve guide.
2. Reface the valve seat.
3. Clean the sharp edges left by reaming.