Inspection

INSPECTION





Inspect the following valve areas:
^ The (A) end of the stem for grooves or scoring.
^ The (B) valve face for pits, grooves or scores.
^ The (C) valve head for signs of burning, erosion, warpage and cracking. Minor pits, grooves and other abrasions may be removed.
^ The (D) valve face angle for wear.

VALVE STEM DIAMETER





1. Measure the diameter of each intake valve stem at the points shown. Verify the diameter is within specification.
2. Measure the diameter of each exhaust valve stem at the points shown. Verify the diameter is within specification.

Intake: 8.025-8.043 mm (0.3159-0.3167 inch).
Exhaust: 7.996-8.017 mm (0.3149-0.3156 inch).

VALVE SEAT
The center of the valve face should contact the valve seat in approximately the center. Check Cylinder Head Valve Seat and repair if necessary.