Valve Inspection Procedure
- Inspect the valve for damage from the head to tip for the following conditions:
| • | pitting in the valve seat area (1) |
| • | lack of valve margin (2) |
| • | bending in the valve stem (3) |
| • | pitting or excessive wear in the stem (4) |
| • | worn valve key grooves (5) |
- Replace the valve if any of these conditions exist.
Note: Valve guide is not removable. Replace the cylinder head if it is out of specification.
- Measure the valve stem diameter (1) and valve guide inside diameter. If it is out of specification, replace it. Refer to
Engine Mechanical Specifications.