1023E, 1025R and 1026R – Recondition Cylinder Head – Intake and Exhaust Valves

[1] – Check valve for out-of-round, bent or warped condition using a valve inspection center and dial indicator. Replace valve if necessary.

[2] –

If valve faces are worn, burned or pitted, grind valves to proper face angle. If valve face
margin (A) is less than specification after grinding, replace valve.

[3] –

Measure valve stem diameter at the two locations shown. Replace valve if measurement exceeds wear limit.

[4] –

Measure valve recession (C) using a depth gauge. Replace valve or cylinder head if measurement exceeds wear limit.