Cylinder Head - Inspection
INSPECTION
1. Cylinder head must be flat within 0.1 mm (0.004 in.).
2. Inspect camshaft bearing journals for scoring.
3. Remove carbon and varnish deposits from inside of valve guides with a reliable guide cleaner.
4. Using a small hole gauge and a micrometer, measure valve guides in 3 places top, middle and bottom (1,2,3). Engine Specifications Replace guides if they are not within specification.
5. Check valve guide height (2).