Cleaning and Inspection

1. Before cleaning, cracks.
2. Clean cylinder head and oil passages.

Figure 107:

3. Check cylinder head for flatness (Fig. 107).
4. Cylinder head must be flat within:
- Standard dimension: less than 0.03 mm (0.0012 inch)
- Service Limit: 0.2 mm (0.008 inch)
- Grinding Limit: Maximum of 0.2 mm (0.008 inch) is permitted.

CAUTION: This is a combined total dimension of stock removal from cylinder head if any and block top surface is 0.2 mm (0.0079 inch).